EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_ELEVATION_ACCURACY

EDCS Attribute Code: 1

Definition:
The accuracy of an elevation value relative to a specified <SURFACE_DATUM>, expressed in units of length at 90% linear error.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_HORIZONTAL_ACCURACY

EDCS Attribute Code: 2

Definition:
The accuracy of a horizontal position in relation to a defined standard, expressed in units of length at 90% circular error.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_HUMIDITY

EDCS Attribute Code: 3

Definition:
The amount of <WATER> vapour in a unit mass of <AIR>, usually expressed in grams of <WATER> per kilogram of <AIR>; absolute humidity.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: MASS_FRACTION

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [DES]

EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_LATITUDE_ACCURACY

EDCS Attribute Code: 4

Definition:
The accuracy of a geodetic latitude value relative to a specified horizontal <DATUM>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ABSTRACT_CONCEPT, ANGULAR_MEASURE, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_LONGITUDE_ACCURACY

EDCS Attribute Code: 5

Definition:
The accuracy of a geodetic longitude value relative to a specified horizontal <DATUM>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ABSTRACT_CONCEPT, ANGULAR_MEASURE, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ABSOLUTE_VERTICAL_ACCURACY

EDCS Attribute Code: 6

Definition:
The accuracy of a vertical position in relation to a defined standard, expressed in units of length at 90% linear error.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACCUMULATED_PRECIPITATION

EDCS Attribute Code: 7

Definition:
The depth of <PRECIPITATION> (water-equivalent) that accumulated during a measurement time interval.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ATMOSPHERE, DIMENSION, SURFACE_MATERIAL

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACCUMULATED_PRECIPITATION_24_HOUR

EDCS Attribute Code: 8

Definition:
The depth of <PRECIPITATION> (water-equivalent) that accumulated during a twenty-four hour period.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ATMOSPHERE, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_AMBIENT_NOISE_SPECTRAL_MODEL

EDCS Attribute Code: 9

Definition:
A <WATER_BODY> acoustic ambient noise spectral model or data base.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ANDES	EEC_ACAMBNSESPECMD_ANDES	Ambient Noise Directionality Estimation System (ANDES).	NR
2	ASAPS	EEC_ACAMBNSESPECMD_ASAPS	Advanced Surveillance Acoustic Prediction System (ASAPS).	NR
3	ASNM	EEC_ACAMBNSESPECMD_ASNM	Arctic Storm Noise Model (ASNM).	NR
4	DANES	EEC_ACAMBNSESPECMD_DANES	Directional Ambient Noise Estimation System (DANES).	NR
5	FANM	EEC_ACAMBNSESPECMD_FANM	Fast Ambient Noise Model (FANM).	NR
6	HITS	EEC_ACAMBNSESPECMD_HITS	Historical Temporal Shipping (HITS) database.	IR	[OAML, Historical Temporal Shipping Data Base]
7	RANDI	EEC_ACAMBNSESPECMD_RANDI	Research Ambient Noise Directionality (RANDI) model.	NR
8	SN	EEC_ACAMBNSESPECMD_SN	Shipping Noise (SN) database.	IR	[OAML, Shipping Noise Data Base]
9	SNLR	EEC_ACAMBNSESPECMD_SNLR	Shipping Noise - Low Resolution (SNLR) model.	NR
10	TAPPS	EEC_ACAMBNSESPECMD_TAPPS	Towed Array Performance Prediction System (TAPPS).	NR
11	WRN	EEC_ACAMBNSESPECMD_WRN	Wind and Residual Noise (WRN) database.	IR	[OAML, Wind and Residual Noise Data Base]

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_BOUNDARY_LOSS

EDCS Attribute Code: 10

Definition:
The quantity of acoustic energy that is lost due to interaction of the acoustic signal waveform with either the <WATER_BODY_SURFACE> or the <WATER_BODY_FLOOR>, at a specific angle; acoustic boundary loss.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: FIELD_OR_POWER_LEVEL_DIFF

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_CENTER_FREQUENCY

EDCS Attribute Code: 11

Definition:
Electro-acoustic one-third-octave band centre frequency (approximate).

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BAND_1_HZ	EEC_ACCNTRFREQ_BAND_1_HZ	1 hertz.	PR	[I266]
2	BAND_1r25_HZ	EEC_ACCNTRFREQ_BAND_1r25_HZ	1,25 hertz.	PR	[I266]
3	BAND_1r6_HZ	EEC_ACCNTRFREQ_BAND_1r6_HZ	1,6 hertz.	PR	[I266]
4	BAND_2_HZ	EEC_ACCNTRFREQ_BAND_2_HZ	2 hertz.	PR	[I266]
5	BAND_2r5_HZ	EEC_ACCNTRFREQ_BAND_2r5_HZ	2,5 hertz.	PR	[I266]
6	BAND_3r15_HZ	EEC_ACCNTRFREQ_BAND_3r15_HZ	3,15 hertz.	PR	[I266]
7	BAND_4_HZ	EEC_ACCNTRFREQ_BAND_4_HZ	4 hertz.	PR	[I266]
8	BAND_5_HZ	EEC_ACCNTRFREQ_BAND_5_HZ	5 hertz.	PR	[I266]
9	BAND_6r3_HZ	EEC_ACCNTRFREQ_BAND_6r3_HZ	6,3 hertz.	PR	[I266]
10	BAND_8_HZ	EEC_ACCNTRFREQ_BAND_8_HZ	8 hertz.	PR	[I266]
11	BAND_10_HZ	EEC_ACCNTRFREQ_BAND_10_HZ	10 hertz.	PR	[I266]
12	BAND_12r5_HZ	EEC_ACCNTRFREQ_BAND_12r5_HZ	12,5 hertz.	PR	[I266]
13	BAND_16_HZ	EEC_ACCNTRFREQ_BAND_16_HZ	16 hertz.	PR	[I266]
14	BAND_20_HZ	EEC_ACCNTRFREQ_BAND_20_HZ	20 hertz.	PR	[I266]
15	BAND_25_HZ	EEC_ACCNTRFREQ_BAND_25_HZ	25 hertz.	PR	[I266]
16	BAND_31r5_HZ	EEC_ACCNTRFREQ_BAND_31r5_HZ	31,5 hertz.	PR	[I266]
17	BAND_40_HZ	EEC_ACCNTRFREQ_BAND_40_HZ	40 hertz.	PR	[I266]
18	BAND_50_HZ	EEC_ACCNTRFREQ_BAND_50_HZ	50 hertz.	PR	[I266]
19	BAND_63_HZ	EEC_ACCNTRFREQ_BAND_63_HZ	63 hertz.	PR	[I266]
20	BAND_80_HZ	EEC_ACCNTRFREQ_BAND_80_HZ	80 hertz.	PR	[I266]
21	BAND_100_HZ	EEC_ACCNTRFREQ_BAND_100_HZ	100 hertz.	PR	[I266]
22	BAND_125_HZ	EEC_ACCNTRFREQ_BAND_125_HZ	125 hertz.	PR	[I266]
23	BAND_160_HZ	EEC_ACCNTRFREQ_BAND_160_HZ	160 hertz.	PR	[I266]
24	BAND_200_HZ	EEC_ACCNTRFREQ_BAND_200_HZ	200 hertz.	PR	[I266]
25	BAND_250_HZ	EEC_ACCNTRFREQ_BAND_250_HZ	250 hertz.	PR	[I266]
26	BAND_315_HZ	EEC_ACCNTRFREQ_BAND_315_HZ	315 hertz.	PR	[I266]
27	BAND_400_HZ	EEC_ACCNTRFREQ_BAND_400_HZ	400 hertz.	PR	[I266]
28	BAND_500_HZ	EEC_ACCNTRFREQ_BAND_500_HZ	500 hertz.	PR	[I266]
29	BAND_630_HZ	EEC_ACCNTRFREQ_BAND_630_HZ	630 hertz.	PR	[I266]
30	BAND_800_HZ	EEC_ACCNTRFREQ_BAND_800_HZ	800 hertz.	PR	[I266]
31	BAND_1000_HZ	EEC_ACCNTRFREQ_BAND_1000_HZ	1 000 hertz.	PR	[I266]
32	BAND_1250_HZ	EEC_ACCNTRFREQ_BAND_1250_HZ	1 250 hertz.	PR	[I266]
33	BAND_1600_HZ	EEC_ACCNTRFREQ_BAND_1600_HZ	1 600 hertz.	PR	[I266]
34	BAND_2000_HZ	EEC_ACCNTRFREQ_BAND_2000_HZ	2 000 hertz.	PR	[I266]
35	BAND_2500_HZ	EEC_ACCNTRFREQ_BAND_2500_HZ	2 500 hertz.	PR	[I266]
36	BAND_3150_HZ	EEC_ACCNTRFREQ_BAND_3150_HZ	3 150 hertz.	PR	[I266]
37	BAND_4000_HZ	EEC_ACCNTRFREQ_BAND_4000_HZ	4 000 hertz.	PR	[I266]
38	BAND_5000_HZ	EEC_ACCNTRFREQ_BAND_5000_HZ	5 000 hertz.	PR	[I266]
39	BAND_6300_HZ	EEC_ACCNTRFREQ_BAND_6300_HZ	6 300 hertz.	PR	[I266]
40	BAND_8000_HZ	EEC_ACCNTRFREQ_BAND_8000_HZ	8 000 hertz.	PR	[I266]
41	BAND_10_KHZ	EEC_ACCNTRFREQ_BAND_10_KHZ	10 kilohertz.	PR	[I266]
42	BAND_12r5_KHZ	EEC_ACCNTRFREQ_BAND_12r5_KHZ	12,5 kilohertz.	PR	[I266]
43	BAND_16_KHZ	EEC_ACCNTRFREQ_BAND_16_KHZ	16 kilohertz.	PR	[I266]
44	BAND_20_KHZ	EEC_ACCNTRFREQ_BAND_20_KHZ	20 kilohertz.	PR	[I266]
45	BAND_25_KHZ	EEC_ACCNTRFREQ_BAND_25_KHZ	25 kilohertz.	PR	[I266]
46	BAND_31r5_KHZ	EEC_ACCNTRFREQ_BAND_31r5_KHZ	31,5 kilohertz.	PR	[I266]
47	BAND_40_KHZ	EEC_ACCNTRFREQ_BAND_40_KHZ	40 kilohertz.	PR	[I266]
48	BAND_50_KHZ	EEC_ACCNTRFREQ_BAND_50_KHZ	50 kilohertz.	PR	[I266]
49	BAND_63_KHZ	EEC_ACCNTRFREQ_BAND_63_KHZ	63 kilohertz.	PR	[I266]
50	BAND_80_KHZ	EEC_ACCNTRFREQ_BAND_80_KHZ	80 kilohertz.	PR	[I266]
51	BAND_100_KHZ	EEC_ACCNTRFREQ_BAND_100_KHZ	100 kilohertz.	PR	[I266]
52	BAND_125_KHZ	EEC_ACCNTRFREQ_BAND_125_KHZ	125 kilohertz.	PR	[I266]
53	BAND_160_KHZ	EEC_ACCNTRFREQ_BAND_160_KHZ	160 kilohertz.	PR	[I266]
54	BAND_200_KHZ	EEC_ACCNTRFREQ_BAND_200_KHZ	200 kilohertz.	PR	[I266]
55	BAND_250_KHZ	EEC_ACCNTRFREQ_BAND_250_KHZ	250 kilohertz.	PR	[I266]
56	BAND_315_KHZ	EEC_ACCNTRFREQ_BAND_315_KHZ	315 kilohertz.	PR	[I266]
57	BAND_400_KHZ	EEC_ACCNTRFREQ_BAND_400_KHZ	400 kilohertz.	PR	[I266]
58	BAND_500_KHZ	EEC_ACCNTRFREQ_BAND_500_KHZ	500 kilohertz.	PR	[I266]
59	BAND_630_KHZ	EEC_ACCNTRFREQ_BAND_630_KHZ	630 kilohertz.	PR	[I266]
60	BAND_800_KHZ	EEC_ACCNTRFREQ_BAND_800_KHZ	800 kilohertz.	PR	[I266]

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: PR

References: [I266]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_HALFCHANNEL_OBSERVATION_FRACTION

EDCS Attribute Code: 12

Definition:
The fraction of observations indicating the presence of an acoustic half-channel in a <WATER_BODY>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_NOISE_MARGINAL_ICE_ZONE_MULTIPLIER

EDCS Attribute Code: 13

Definition:
The correction factor applied to underwater sound levels which incorporates noise related to an <AIRCRAFT> operating in the marginal <ICE> zone.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ACOUSTIC_PHENOMENON, ICE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_NOISE_SPECTRAL_CURVE_CORRECTION

EDCS Attribute Code: 14

Definition:
The acoustic noise level correction obtained from a spectral class curve to be applied to some base noise level.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: FIELD_OR_POWER_LEVEL_DIFF

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: IR

References: [OAML, Shipping Noise Data Base]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_PWR_LVL_BAND

EDCS Attribute Code: 15

Definition:
The power level of acoustic energy measured one metre from the source acoustic centre in a defined frequency band.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE_POWER_LEVEL

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_PWR_LVL_SPECTRUM

EDCS Attribute Code: 16

Definition:
The ratio of sound wave intensity in a one hertz band, to a reference intensity measured one metre from the source; acoustic power level spectrum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE_POWER_LEVEL

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_PWR_LVL_SPECTRUM_CORRECTION

EDCS Attribute Code: 17

Definition:
The omni directional ambient noise spectrum level correction at a specified frequency referenced to a 50 hertz reference level; acoustic power level spectrum correction.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: FIELD_OR_POWER_LEVEL_DIFF

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: IR

References: [OAML, Shipping Noise Data Base]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_REFLECTION_TYPE

EDCS Attribute Code: 18

Definition:
The type of acoustic reflection detected.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BOTTOM_HYPERBOLIC	EEC_ACREFLNTY_BOTTOM_HYPERBOLIC	Hyperbolic from the <WATER_BODY_FLOOR>.	NR
2	SUB_BOTTOM_HYPERBOLIC	EEC_ACREFLNTY_SUB_BOTTOM_HYPERBOLIC	Hyperbolic from below the <WATER_BODY_FLOOR>.	NR

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_REFLECTOR

EDCS Attribute Code: 19

Definition:
Indication that an <OBJECT> reflects acoustic energy.

EDCS Attribute Value Data Type: LOGICAL

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_SCATTERING_STRENGTH

EDCS Attribute Code: 20

Definition:
The column (integrated) acoustic scattering strength (ratio of returned to incident energy).

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: AREIC_POWER_LEVEL_DIFF

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: IR

References: [OAML, Volume Scattering Strength Data Base]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_TARGET_STRENGTH

EDCS Attribute Code: 21

Definition:
The ratio of the intensity of sound returned by a sonar target at a distance of one metre from the acoustic centre of the target in a specified direction, to the incident intensity from a distant source; acoustic target strength.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: FIELD_OR_POWER_LEVEL_DIFF

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: IR

References: [PUWS]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_VOLUME_LAYER_SCATTERING_STRENGTH_FREQUENCY

EDCS Attribute Code: 22

Definition:
The acoustic frequency at which volume layer scattering strength in a <WATER_BODY> is reported.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: FREQUENCY

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: IR

References: [OAML, Volume Scattering Strength Data Base]

EDCS Attribute Symbolic Constant: EAC_ACOUSTIC_VOLUME_SCATTERING_STRENGTH_REGION

EDCS Attribute Code: 23

Definition:
The acoustic volume scattering strength <REGION>; used for linking to external databases.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ANTARCTIC_1	EEC_ACVOLSCATSTRN_ANTARCTIC_1	Antarctic ocean province number 1.	NR
2	ANTARCTIC_2	EEC_ACVOLSCATSTRN_ANTARCTIC_2	Antarctic ocean province number 2.	NR
3	ANTARCTIC_3	EEC_ACVOLSCATSTRN_ANTARCTIC_3	Antarctic ocean province number 3.	NR
4	ANTARCTIC_4	EEC_ACVOLSCATSTRN_ANTARCTIC_4	Antarctic ocean province number 4.	NR
5	ANTARCTIC_5	EEC_ACVOLSCATSTRN_ANTARCTIC_5	Antarctic ocean province number 5.	NR
6	ANTARCTIC_6	EEC_ACVOLSCATSTRN_ANTARCTIC_6	Antarctic ocean province number 6.	NR
7	ANTARCTIC_7	EEC_ACVOLSCATSTRN_ANTARCTIC_7	Antarctic ocean province number 7.	NR
8	ANTARCTIC_8	EEC_ACVOLSCATSTRN_ANTARCTIC_8	Antarctic ocean province number 8.	NR
9	ANTARCTIC_9	EEC_ACVOLSCATSTRN_ANTARCTIC_9	Antarctic ocean province number 9.	NR
10	ANTARCTIC_10	EEC_ACVOLSCATSTRN_ANTARCTIC_10	Antarctic ocean province number 10.	NR
11	ANTARCTIC_11	EEC_ACVOLSCATSTRN_ANTARCTIC_11	Antarctic ocean province number 11.	NR
12	ANTARCTIC_12	EEC_ACVOLSCATSTRN_ANTARCTIC_12	Antarctic ocean province number 12.	NR
13	ARCTIC_1	EEC_ACVOLSCATSTRN_ARCTIC_1	Arctic ocean province number 1.	NR
14	ARCTIC_2	EEC_ACVOLSCATSTRN_ARCTIC_2	Arctic ocean province number 2.	NR
15	ARCTIC_3	EEC_ACVOLSCATSTRN_ARCTIC_3	Arctic ocean province number 3.	NR
16	ARCTIC_4	EEC_ACVOLSCATSTRN_ARCTIC_4	Arctic ocean province number 4.	NR
17	ARCTIC_5	EEC_ACVOLSCATSTRN_ARCTIC_5	Arctic ocean province number 5.	NR
18	ARCTIC_6	EEC_ACVOLSCATSTRN_ARCTIC_6	Arctic ocean province number 6.	NR
19	ARCTIC_7	EEC_ACVOLSCATSTRN_ARCTIC_7	Arctic ocean province number 7.	NR
20	ARCTIC_8	EEC_ACVOLSCATSTRN_ARCTIC_8	Arctic ocean province number 8.	NR
21	ARCTIC_9	EEC_ACVOLSCATSTRN_ARCTIC_9	Arctic ocean province number 9.	NR
22	ARCTIC_10	EEC_ACVOLSCATSTRN_ARCTIC_10	Arctic ocean province number 10.	NR
23	ARCTIC_11	EEC_ACVOLSCATSTRN_ARCTIC_11	Arctic ocean province number 11.	NR
24	INDIAN_1	EEC_ACVOLSCATSTRN_INDIAN_1	Indian ocean province number 1.	NR
25	INDIAN_2	EEC_ACVOLSCATSTRN_INDIAN_2	Indian ocean province number 2.	NR
26	INDIAN_3	EEC_ACVOLSCATSTRN_INDIAN_3	Indian ocean province number 3.	NR
27	INDIAN_4	EEC_ACVOLSCATSTRN_INDIAN_4	Indian ocean province number 4.	NR
28	INDIAN_5	EEC_ACVOLSCATSTRN_INDIAN_5	Indian ocean province number 5.	NR
29	INDIAN_6	EEC_ACVOLSCATSTRN_INDIAN_6	Indian ocean province number 6.	NR
30	INDIAN_7	EEC_ACVOLSCATSTRN_INDIAN_7	Indian ocean province number 7.	NR
31	INDIAN_8	EEC_ACVOLSCATSTRN_INDIAN_8	Indian ocean province number 8.	NR
32	INDIAN_9	EEC_ACVOLSCATSTRN_INDIAN_9	Indian ocean province number 9.	NR
33	INDIAN_10	EEC_ACVOLSCATSTRN_INDIAN_10	Indian ocean province number 10.	NR
34	INDIAN_11	EEC_ACVOLSCATSTRN_INDIAN_11	Indian ocean province number 11.	NR
35	N_ATLANTIC_1	EEC_ACVOLSCATSTRN_N_ATLANTIC_1	North Atlantic ocean province number 1.	NR
36	N_ATLANTIC_2	EEC_ACVOLSCATSTRN_N_ATLANTIC_2	North Atlantic ocean province number 2.	NR
37	N_ATLANTIC_3	EEC_ACVOLSCATSTRN_N_ATLANTIC_3	North Atlantic ocean province number 3.	NR
38	N_ATLANTIC_4	EEC_ACVOLSCATSTRN_N_ATLANTIC_4	North Atlantic ocean province number 4.	NR
39	N_ATLANTIC_4A	EEC_ACVOLSCATSTRN_N_ATLANTIC_4A	North Atlantic ocean province number 4A.	NR
40	N_ATLANTIC_5	EEC_ACVOLSCATSTRN_N_ATLANTIC_5	North Atlantic ocean province number 5.	NR
41	N_ATLANTIC_5A	EEC_ACVOLSCATSTRN_N_ATLANTIC_5A	North Atlantic ocean province number 5A.	NR
42	N_ATLANTIC_6	EEC_ACVOLSCATSTRN_N_ATLANTIC_6	North Atlantic ocean province number 6.	NR
43	N_ATLANTIC_7	EEC_ACVOLSCATSTRN_N_ATLANTIC_7	North Atlantic ocean province number 7.	NR
44	N_ATLANTIC_8	EEC_ACVOLSCATSTRN_N_ATLANTIC_8	North Atlantic ocean province number 8.	NR
45	N_ATLANTIC_9	EEC_ACVOLSCATSTRN_N_ATLANTIC_9	North Atlantic ocean province number 9.	NR
46	N_ATLANTIC_10	EEC_ACVOLSCATSTRN_N_ATLANTIC_10	North Atlantic ocean province number 10.	NR
47	N_ATLANTIC_11	EEC_ACVOLSCATSTRN_N_ATLANTIC_11	North Atlantic ocean province number 11.	NR
48	N_PACIFIC_1	EEC_ACVOLSCATSTRN_N_PACIFIC_1	North Pacific ocean province number 1.	NR
49	N_PACIFIC_2	EEC_ACVOLSCATSTRN_N_PACIFIC_2	North Pacific ocean province number 2.	NR
50	N_PACIFIC_3	EEC_ACVOLSCATSTRN_N_PACIFIC_3	North Pacific ocean province number 3.	NR
51	N_PACIFIC_4	EEC_ACVOLSCATSTRN_N_PACIFIC_4	North Pacific ocean province number 4.	NR
52	N_PACIFIC_5	EEC_ACVOLSCATSTRN_N_PACIFIC_5	North Pacific ocean province number 5.	NR
53	N_PACIFIC_6	EEC_ACVOLSCATSTRN_N_PACIFIC_6	North Pacific ocean province number 6.	NR
54	N_PACIFIC_7	EEC_ACVOLSCATSTRN_N_PACIFIC_7	North Pacific ocean province number 7.	NR
55	N_PACIFIC_7A	EEC_ACVOLSCATSTRN_N_PACIFIC_7A	North Pacific ocean province number 7A.	NR
56	N_PACIFIC_8	EEC_ACVOLSCATSTRN_N_PACIFIC_8	North Pacific ocean province number 8.	NR
57	N_PACIFIC_9	EEC_ACVOLSCATSTRN_N_PACIFIC_9	North Pacific ocean province number 9.	NR
58	N_PACIFIC_10	EEC_ACVOLSCATSTRN_N_PACIFIC_10	North Pacific ocean province number 10.	NR
59	N_PACIFIC_11	EEC_ACVOLSCATSTRN_N_PACIFIC_11	North Pacific ocean province number 11.	NR
60	N_PACIFIC_12	EEC_ACVOLSCATSTRN_N_PACIFIC_12	North Pacific ocean province number 12.	NR
61	N_PACIFIC_13	EEC_ACVOLSCATSTRN_N_PACIFIC_13	North Pacific ocean province number 13.	NR
62	S_ATLANTIC_1	EEC_ACVOLSCATSTRN_S_ATLANTIC_1	South Atlantic ocean province number 1.	NR
63	S_ATLANTIC_2	EEC_ACVOLSCATSTRN_S_ATLANTIC_2	South Atlantic ocean province number 2.	NR
64	S_ATLANTIC_3	EEC_ACVOLSCATSTRN_S_ATLANTIC_3	South Atlantic ocean province number 3.	NR
65	S_ATLANTIC_3A	EEC_ACVOLSCATSTRN_S_ATLANTIC_3A	South Atlantic ocean province number 3A.	NR
66	S_ATLANTIC_4	EEC_ACVOLSCATSTRN_S_ATLANTIC_4	South Atlantic ocean province number 4.	NR
67	S_ATLANTIC_5	EEC_ACVOLSCATSTRN_S_ATLANTIC_5	South Atlantic ocean province number 5.	NR
68	S_ATLANTIC_5A	EEC_ACVOLSCATSTRN_S_ATLANTIC_5A	South Atlantic ocean province number 5A.	NR
69	S_ATLANTIC_6	EEC_ACVOLSCATSTRN_S_ATLANTIC_6	South Atlantic ocean province number 6.	NR
70	S_PACIFIC_1	EEC_ACVOLSCATSTRN_S_PACIFIC_1	South Pacific ocean province number 1.	NR
71	S_PACIFIC_2	EEC_ACVOLSCATSTRN_S_PACIFIC_2	South Pacific ocean province number 2.	NR
72	S_PACIFIC_3	EEC_ACVOLSCATSTRN_S_PACIFIC_3	South Pacific ocean province number 3.	NR
73	S_PACIFIC_3A	EEC_ACVOLSCATSTRN_S_PACIFIC_3A	South Pacific ocean province number 3A.	NR
74	S_PACIFIC_4	EEC_ACVOLSCATSTRN_S_PACIFIC_4	South Pacific ocean province number 4.	NR
75	S_PACIFIC_5	EEC_ACVOLSCATSTRN_S_PACIFIC_5	South Pacific ocean province number 5.	NR
76	S_PACIFIC_6	EEC_ACVOLSCATSTRN_S_PACIFIC_6	South Pacific ocean province number 6.	NR
77	S_PACIFIC_6A	EEC_ACVOLSCATSTRN_S_PACIFIC_6A	South Pacific ocean province number 6A.	NR
78	S_PACIFIC_7	EEC_ACVOLSCATSTRN_S_PACIFIC_7	South Pacific ocean province number 7.	NR
79	S_PACIFIC_8	EEC_ACVOLSCATSTRN_S_PACIFIC_8	South Pacific ocean province number 8.	NR
80	S_PACIFIC_9	EEC_ACVOLSCATSTRN_S_PACIFIC_9	South Pacific ocean province number 9.	NR
81	S_PACIFIC_9A	EEC_ACVOLSCATSTRN_S_PACIFIC_9A	South Pacific ocean province number 9A.	NR

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: IR

References: [OAML, Volume Scattering Strength Data Base]

EDCS Attribute Symbolic Constant: EAC_ACTIVE_ACOUSTIC

EDCS Attribute Code: 24

Definition:
Indication that an <OBJECT> generates intentional emissions of acoustic energy used for the purposes of detection, localization, and/or identification.

EDCS Attribute Value Data Type: LOGICAL

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERODROME_ELEVATION

EDCS Attribute Code: 25

Definition:
The highest elevation of an <AERODROME>'s usable <RUNWAY>s, measured from the MSL <SURFACE_DATUM>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERODROME_EMERGENCY_LIGHTING_INTENSITY

EDCS Attribute Code: 26

Definition:
The intensity of <AERODROME> emergency <LIGHTING>, expressed as fraction of maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: AIR_TRNSP, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERODROME_GATE_LIGHTING_INTENSITY

EDCS Attribute Code: 27

Definition:
The intensity of <AERODROME> gate <LIGHTING> (external), expressed as fraction of maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: AIR_TRNSP, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERODROME_IDENTIFICATION

EDCS Attribute Code: 28

Definition:
The unique set of numbers preceded by the appropriate country code that enables an individual <AERODROME> to be uniquely identified within a database.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: AIR_TRNSP

Reference Type: IR

References: [DAFIF, Sec. 201.A.1]

EDCS Attribute Symbolic Constant: EAC_AERODROME_TYPE

EDCS Attribute Code: 29

Definition:
The type of an <AERODROME>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIRFIELD	EEC_AERODTY_AIRFIELD	A landing field and adjacent terrain for the arrival and departure of aircraft.	NR
2	AIRPORT	EEC_AERODTY_AIRPORT	A landing field and adjacent terrain for the arrival and departure of aircraft, including <FACILITY>s for passenger service, aircraft repair and maintenance, air traffic control, and other related activities.	NR
3	AERODROME	EEC_AERODTY_AERODROME	A landing field and adjacent terrain for the arrival and departure of aircraft, including <FACILITY>s for passenger service, aircraft repair and maintenance, air traffic control, and other related activities.	IR	[APDS]
4	DAFIF_A	EEC_AERODTY_DAFIF_A	Active civil airports controlled and operated by civil authorities primarily for use by civil aircraft, although military may have landing privileges and/or contract rights. Minimum <FACILITY>s are available which include: control tower (or some similar control system, such as a FSS which issues clearances and advisories when there is no tower or the tower is not in operation), lighting (e.g., may be flare pots), POL, and <FACILITY>s for organizational maintenance or better.	NR
5	DAFIF_B	EEC_AERODTY_DAFIF_B	Active, joint (civil and military) use. Airports jointly controlled, used and/or operated by both civil and military agencies. The military agencies must be permanent operational flight line type tenants, with or without aircraft stationed on the airport. <FACILITY>s are the same as for civil (A-type) airports.	NR
6	DAFIF_C	EEC_AERODTY_DAFIF_C	Active military airports controlled and operated by military authorities primarily for use by military aircraft, although civil aircraft may have landing privileges and/or contract rights. <FACILITY>s are the same as for civil (A-type) airports.	NR
7	DAFIF_D	EEC_AERODTY_DAFIF_D	Active airports having permanent type <SURFACE> runways with less than the minimum <FACILITY>s required for A-type airports. For the United States, the FAA term "Inactive" is incorporated into this category.	NR
8	EMERGENCY	EEC_AERODTY_EMERGENCY	Land set aside for the take-off and landing of airplanes or helicopters in times of emergency.	IR	[S57A, Attribute, CATAIR:8]
9	GENERAL_AVIATION	EEC_AERODTY_GENERAL_AVIATION	Light or general aviation aircraft operating only.	NR
10	GLIDER	EEC_AERODTY_GLIDER	Land set aside for the take-off and landing of gliders.	IR	[S57A, Attribute, CATAIR:5]
11	HANG_GLIDER	EEC_AERODTY_HANG_GLIDER	Hang glider site.	NR
12	HELIPORT	EEC_AERODTY_HELIPORT	A transportation depot designed for takeoffs and landings of helicopters.	IR	[APDS]
13	HELICOPTER	EEC_AERODTY_HELICOPTER	Helicopter site.	NR
14	HELIPORT_AT_HOSPITAL	EEC_AERODTY_HELIPORT_AT_HOSPITAL	A hospital-local transportation facility designed for takeoffs and landings of helicopters.	NR
15	MICROLIGHT	EEC_AERODTY_MICROLIGHT	Microlight or ultralight site.	NR
16	MAJOR_AERODROME	EEC_AERODTY_MAJOR_AERODROME	A major (controlled) airport that has an operating control tower. Air traffic control is responsible for providing for the safe, orderly, and expeditious flow of air traffic at airports where the type of operations and/or volume of traffic requires such a service. Pilots operating from a controlled airport are required to maintain two-way radio communication with air traffic controllers, and to acknowledge and comply with their instructions.	NR
17	MINOR_AERODROME	EEC_AERODTY_MINOR_AERODROME	A minor (uncontrolled) airport does not have an operating control tower. Two-way radio communications are not required, although it is a good operating practice for pilots to transmit their intentions on the specified frequency for the benefit of other traffic in the vicinity.	NR
18	PARASCENDING	EEC_AERODTY_PARASCENDING	Parascending or parasailing site.	NR
19	SEAPLANE_BASE	EEC_AERODTY_SEAPLANE_BASE	An expanse of water and supporting <FACILITY>s capable of supporting seaplane operations (seaplane: an aircraft capable of taking off and landing on water; supported on water by pontoons, or flats, or by a specially designed fuselage.)	IR	[APDS]
20	UNDEFINED_LANDING	EEC_AERODTY_UNDEFINED_LANDING	Undefined landing site.	NR
21	WINCH_LAUNCHED_HANG_GLIDER	EEC_AERODTY_WINCH_LAUNCHED_HANG_GLIDER	Winch launched hang glider site.	NR

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERONAUTICAL_LIGHT_TYPE

EDCS Attribute Code: 30

Definition:
The type of <LIGHTING> provided, or type of <LIGHTING> <SYSTEM> used, in support of aeronautical navigation.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AERODROME_TERMINAL	EEC_AEROLGTTY_AERODROME_TERMINAL	Aerodrome terminal.	NR
2	AEROMARINE	EEC_AEROLGTTY_AEROMARINE	A marine-type light for which part of the beam is deflected to an angle of 10 to 15 arc degrees above the horizon to facilitate use by <AIRCRAFT>; aeromarine light.	NR
3	AIR_FORCE_OVERRUN	EEC_AEROLGTTY_AIR_FORCE_OVERRUN	Air force overrun.	NR
4	ALSF_I	EEC_AEROLGTTY_ALSF_I	Approach lighting system with sequential flashing - type I.	NR
5	ALSF_II	EEC_AEROLGTTY_ALSF_II	Approach lighting system with sequential flashing - type II.	NR
6	ALTERNATE_CENTRELINE	EEC_AEROLGTTY_ALTERNATE_CENTRELINE	Alternate centreline and bar approach.	NR
7	APAP_ALIGNMENT	EEC_AEROLGTTY_APAP_ALIGNMENT	APAP alignment of elements systems.	NR
8	APRON_FLOOD	EEC_AEROLGTTY_APRON_FLOOD	Apron flood.	NR
9	ARTICULATED	EEC_AEROLGTTY_ARTICULATED	Articulated.	NR
10	AUXILIARY	EEC_AEROLGTTY_AUXILIARY	Auxiliary.	NR
11	BEACON_UNSPECIFIED	EEC_AEROLGTTY_BEACON_UNSPECIFIED	A station supporting a signalling or guiding device, such as a light or radio signal used for guidance.	NR
12	BOUNDARY	EEC_AEROLGTTY_BOUNDARY	Boundary.	NR
13	CALVERT_BRITISH	EEC_AEROLGTTY_CALVERT_BRITISH	Calvert British.	NR
14	CENTRE_AND_DOUBLE_ROW	EEC_AEROLGTTY_CENTRE_AND_DOUBLE_ROW	Centre and double row.	NR
15	CENTRE_ROW	EEC_AEROLGTTY_CENTRE_ROW	Centre row.	NR
16	CENTRE_ROW_1_HI_INTENSITY	EEC_AEROLGTTY_CENTRE_ROW_1_HI_INTENSITY	Centre row, category 1, high intensity.	NR
17	CENTRE_ROW_2_HI_VISIBILITY	EEC_AEROLGTTY_CENTRE_ROW_2_HI_VISIBILITY	Centre row, category 2, high visibility.	NR
18	CENTRELINE_2_CROSSBAR	EEC_AEROLGTTY_CENTRELINE_2_CROSSBAR	Centreline, 2 crossbars approach.	NR
19	CENTRELINE_AND_BAR	EEC_AEROLGTTY_CENTRELINE_AND_BAR	Centreline and bar.	NR
20	CENTRELINE_HIGH_INTENSITY	EEC_AEROLGTTY_CENTRELINE_HIGH_INTENSITY	Centreline, high-intensity approach.	NR
21	CROSS	EEC_AEROLGTTY_CROSS	Cross.	NR
22	FISHING	EEC_AEROLGTTY_FISHING	Fishing.	NR
23	FLARES	EEC_AEROLGTTY_FLARES	Flares.	NR
24	FOG_DETECTOR	EEC_AEROLGTTY_FOG_DETECTOR	A light used to automatically determine conditions of visibility on a <RUNWAY>.	NR
25	FORMER_NATO_STANDARD	EEC_AEROLGTTY_FORMER_NATO_STANDARD	Former NATO standard.	NR
26	HARBOUR	EEC_AEROLGTTY_HARBOUR	Harbour.	NR
27	HIGH_INTENSITY_RUNWAY	EEC_AEROLGTTY_HIGH_INTENSITY_RUNWAY	High intensity runway.	NR
28	HONG_KONG_CURVE	EEC_AEROLGTTY_HONG_KONG_CURVE	Hong Kong curve.	NR
29	HORIZONTAL	EEC_AEROLGTTY_HORIZONTAL	Horizontal.	NR
30	IDENTIFICATION_BEACON	EEC_AEROLGTTY_IDENTIFICATION_BEACON	Identification beacon.	NR
31	LANDING_DIRECTION	EEC_AEROLGTTY_LANDING_DIRECTION	Landing direction indicator.	NR
32	LEFT_ROW_HIGH_INTENSITY	EEC_AEROLGTTY_LEFT_ROW_HIGH_INTENSITY	Left row high intensity.	NR
33	LEFT_SINGLE_ROW	EEC_AEROLGTTY_LEFT_SINGLE_ROW	Left single row.	NR
34	LOW_COST_VASI	EEC_AEROLGTTY_LOW_COST_VASI	Low cost VASI.	NR
35	LOW_INTENSITY_RUNWAY	EEC_AEROLGTTY_LOW_INTENSITY_RUNWAY	Low intensity runway.	NR
36	MAJOR	EEC_AEROLGTTY_MAJOR	Major.	NR
37	MALSF	EEC_AEROLGTTY_MALSF	MALSF.	NR
38	MALSR	EEC_AEROLGTTY_MALSR	MALSR.	NR
39	MEDIUM_INTENSITY_RUNWAY	EEC_AEROLGTTY_MEDIUM_INTENSITY_RUNWAY	Medium intensity runway.	NR
40	MINOR	EEC_AEROLGTTY_MINOR	Minor.	NR
41	NARROW_MULTI_CROSS	EEC_AEROLGTTY_NARROW_MULTI_CROSS	Narrow multi-cross.	NR
42	NATO_STANDARD	EEC_AEROLGTTY_NATO_STANDARD	NATO standard.	NR
43	NAVY_PARALLEL_ROW_AND_X	EEC_AEROLGTTY_NAVY_PARALLEL_ROW_AND_X	Navy parallel row and crossbar.	NR
44	NEON_LADDER	EEC_AEROLGTTY_NEON_LADDER	Neon ladder.	NR
45	NONE_AVAILABLE	EEC_AEROLGTTY_NONE_AVAILABLE	None available.	NR
46	OBSTRUCTION	EEC_AEROLGTTY_OBSTRUCTION	Obstruction.	NR
47	OBSTRUCTION_LIGHTING	EEC_AEROLGTTY_OBSTRUCTION_LIGHTING	Obstruction lighting.	NR
48	OCCASIONAL	EEC_AEROLGTTY_OCCASIONAL	Occasional.	NR
49	ODALS	EEC_AEROLGTTY_ODALS	ODALS.	NR
50	OPTICAL_LANDING_SYSTEM	EEC_AEROLGTTY_OPTICAL_LANDING_SYSTEM	Optical landing system.	NR
51	OTHER_AIRPORT_LIGHTING	EEC_AEROLGTTY_OTHER_AIRPORT_LIGHTING	Other airport lighting.	NR
52	OTHER_APPROACH_LIGHTING	EEC_AEROLGTTY_OTHER_APPROACH_LIGHTING	Other approach lighting.	NR
53	OVERRUN_CENTRELINE	EEC_AEROLGTTY_OVERRUN_CENTRELINE	Overrun centreline.	NR
54	PORTABLE_APPROACH	EEC_AEROLGTTY_PORTABLE_APPROACH	Portable approach.	NR
55	PORTABLE_RUNWAY	EEC_AEROLGTTY_PORTABLE_RUNWAY	Portable runway.	NR
56	PRECISION_APPROACH	EEC_AEROLGTTY_PRECISION_APPROACH	Precision approach path indicator.	NR
57	PRIMARY	EEC_AEROLGTTY_PRIMARY	Primary.	NR
58	PRIVATE	EEC_AEROLGTTY_PRIVATE	Private.	NR
59	RAIL	EEC_AEROLGTTY_RAIL	RAIL.	NR
60	RANGE	EEC_AEROLGTTY_RANGE	Range.	NR
61	ROTATING_BEACON	EEC_AEROLGTTY_ROTATING_BEACON	Rotating beacon.	NR
62	RUNWAY	EEC_AEROLGTTY_RUNWAY	Runway.	NR
63	RUNWAY_CENTRELINE	EEC_AEROLGTTY_RUNWAY_CENTRELINE	Runway centreline lighting.	NR
64	RUNWAY_EDGE	EEC_AEROLGTTY_RUNWAY_EDGE	Runway edge.	NR
65	RUNWAY_END	EEC_AEROLGTTY_RUNWAY_END	Runway end identification lighting.	NR
66	RUNWAY_FLOOD	EEC_AEROLGTTY_RUNWAY_FLOOD	Runway flood.	NR
67	RUNWAY_REGION	EEC_AEROLGTTY_RUNWAY_REGION	Runway region, including both the runway proper and the runway edge.	NR
68	SEASONAL	EEC_AEROLGTTY_SEASONAL	Seasonal.	NR
69	SECONDARY	EEC_AEROLGTTY_SECONDARY	Secondary.	NR
70	SEQUENCED_STROBE	EEC_AEROLGTTY_SEQUENCED_STROBE	Sequenced strobe.	NR
71	SINGAPORE_CENTRELINE	EEC_AEROLGTTY_SINGAPORE_CENTRELINE	Singapore centreline approach.	NR
72	SINGLE_ROW_CENTRELINE	EEC_AEROLGTTY_SINGLE_ROW_CENTRELINE	Single row centreline.	NR
73	SSALF	EEC_AEROLGTTY_SSALF	SSALF.	NR
74	SSALR	EEC_AEROLGTTY_SSALR	SSALR.	NR
75	STROBE	EEC_AEROLGTTY_STROBE	A light with an extremely short duration flash; strobe.	NR
76	TVASI_T_BAR	EEC_AEROLGTTY_TVASI_T_BAR	TVASI - T bar.	NR
77	TAXIWAY_LIGHTING	EEC_AEROLGTTY_TAXIWAY_LIGHTING	Taxiway lighting.	NR
78	THRESHOLD	EEC_AEROLGTTY_THRESHOLD	Threshold.	NR
79	TIDAL	EEC_AEROLGTTY_TIDAL	Tidal.	NR
80	TOUCHDOWN_ZONE_LIGHTING	EEC_AEROLGTTY_TOUCHDOWN_ZONE_LIGHTING	Touchdown zone lighting.	NR
81	TWO_PARALLEL_ROW	EEC_AEROLGTTY_TWO_PARALLEL_ROW	Two parallel row.	NR
82	US_CONFIGURATION_B	EEC_AEROLGTTY_US_CONFIGURATION_B	US configuration B.	NR
83	VARIABLE_INTENSITY_RUNWAY	EEC_AEROLGTTY_VARIABLE_INTENSITY_RUNWAY	Variable intensity runway.	NR
84	VASI	EEC_AEROLGTTY_VASI	VASI.	NR
85	VASI_2_BAR	EEC_AEROLGTTY_VASI_2_BAR	VASI - 2 bar.	NR
86	VASI_3_BAR	EEC_AEROLGTTY_VASI_3_BAR	VASI - 3 bar.	NR
87	VASI_PULSATING	EEC_AEROLGTTY_VASI_PULSATING	VASI - pulsating.	NR
88	VASI_WITH_INDICATOR	EEC_AEROLGTTY_VASI_WITH_INDICATOR	VASI with indicator for threshold crossing height.	NR
89	VERTICAL	EEC_AEROLGTTY_VERTICAL	Vertical.	NR
90	WIND_INDICATOR	EEC_AEROLGTTY_WIND_INDICATOR	Wind indicator.	NR

EDCS Group Labels: AIR_TRNSP, LIGHTING_AND_VISIBILITY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AERONAUTICAL_OBSTRUCTION_HEIGHT_ACCURACY

EDCS Attribute Code: 31

Definition:
The difference between the recorded heights above ground level of an <OBJECT> creating an aeronautical obstruction, and its true height at 90% probability.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AEROSOL_BASE_ALTITUDE

EDCS Attribute Code: 32

Definition:
The altitude of the lower <SURFACE> of an aerosol <CLOUD>, relative to the MSL <SURFACE_DATUM>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIRBORNE_PARTICLE, DIMENSION, POSITION

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_AEROSOL_PARTICLE_CONCENTRATION

EDCS Attribute Code: 33

Definition:
The <PARTICLE> concentration of an aerosol in an aerosol <CLOUD>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: VOLUMETRIC_ENTITY_DENSITY

EDCS Group Labels: AIRBORNE_PARTICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AEROSOL_PARTICLE_TYPE

EDCS Attribute Code: 34

Definition:
The type of <PARTICLE> in an aerosol <CLOUD>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	DUST	EEC_ARSLPARTICTY_DUST	Finely divided, dry, solid matter of silt- and clay-sized <SOIL> particles, less than 62,5 micrometres in diameter.	IR	[APDS]
2	HAZE	EEC_ARSLPARTICTY_HAZE	Fine dust, salt, mist, smoke, or other solid particles dispersed throughout a portion of the atmosphere, which are invisible to the naked eye but which diminish horizontal visibility and give the atmosphere an opalescent appearance, rendering distant objects indistinct and subdued in colour.	IR	[APDS]
3	MARINE	EEC_ARSLPARTICTY_MARINE	Aerosols that are generated in the marine environment by processes such as breaking waves, and sea spray.	NR
4	MIST	EEC_ARSLPARTICTY_MIST	An aggregate of microscopic and hygroscopic water droplets suspended in the atmosphere, producing a thin, greyish veil that reduces visibility.	IR	[APDS]
5	NITRATES	EEC_ARSLPARTICTY_NITRATES	Nitrates derived from NOx.	NR
6	NO_AEROSOL	EEC_ARSLPARTICTY_NO_AEROSOL	No aerosols are present.	NR
7	OCEAN_SPRAY	EEC_ARSLPARTICTY_OCEAN_SPRAY	A stream of ocean water broken up into minute particles and propelled through air or another gas.	IR	[APDS]
8	SAND	EEC_ARSLPARTICTY_SAND	A small, somewhat rounded fragment or particle of rock ranging from 0,05 to 2 millimetres in diameter, and commonly composed of quartz.	IR	[APDS]
9	SEA_SALT	EEC_ARSLPARTICTY_SEA_SALT	Salt particles suspended in the air due to the evaporation of sea spray.	NR
10	SMOKE	EEC_ARSLPARTICTY_SMOKE	The visible mixture given off by a burning substance, consisting of a suspension of tiny particles of carbon in hydrocarbon gases or in air or any visible cloud of small particles suspended in the atmosphere.	IR	[APDS]
11	SOOT	EEC_ARSLPARTICTY_SOOT	Soot.	NR
12	SULFATES	EEC_ARSLPARTICTY_SULFATES	Sulfates derived from either biogenic gases or SO2.	NR
13	VOLCANIC_ASH	EEC_ARSLPARTICTY_VOLCANIC_ASH	Fine or very fine pyroclastic particles, less than 4 millimetres in diameter, that are blown out from a volcanic explosion.	IR	[APDS]
14	VOLCANIC_DUST	EEC_ARSLPARTICTY_VOLCANIC_DUST	Dust particles produced by a volcanic eruption.	NR

EDCS Group Labels: AIRBORNE_PARTICLE, ATMOSPHERE

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_AEROSOL_TOP_ALTITUDE

EDCS Attribute Code: 35

Definition:
The altitude of the upper <SURFACE> of an aerosol <CLOUD>, relative to the MSL <SURFACE_DATUM>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIRBORNE_PARTICLE, DIMENSION, POSITION

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_AFTERBURNER_INDUCED_FLAME_RATE

EDCS Attribute Code: 36

Definition:
The production rate of visible flame induced by use of an <AIRCRAFT> afterburner, expressed as fraction of maximum. The value may be interpreted as follows: 1/4: Small, 2/4: Medium, 3/4: Large, 4/4: Maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: AIR_TRNSP, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_DESCRIPTION

EDCS Attribute Code: 37

Definition:
The textual description of <AID_TO_NAVIGATION>s marking an <OBJECT>, e.g., "marked by buoys".

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_EFFECTIVENESS_RADIUS

EDCS Attribute Code: 38

Definition:
The radius of effectiveness of an <AID_TO_NAVIGATION>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_MARK_COLOUR

EDCS Attribute Code: 39

Definition:
The colours of an <AID_TO_NAVIGATION> mark.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BLACK	EEC_NAVMKCOLR_BLACK	Black.	NR
2	BLACK_RED_BLACK	EEC_NAVMKCOLR_BLACK_RED_BLACK	Black, red, black.	NR
3	BLACK_YELLOW	EEC_NAVMKCOLR_BLACK_YELLOW	Black, yellow.	NR
4	BLACK_YELLOW_BLACK	EEC_NAVMKCOLR_BLACK_YELLOW_BLACK	Black, yellow, black.	NR
5	GREEN	EEC_NAVMKCOLR_GREEN	Green.	NR
6	GREEN_RED	EEC_NAVMKCOLR_GREEN_RED	Green, red.	NR
7	GREEN_RED_GREEN	EEC_NAVMKCOLR_GREEN_RED_GREEN	Green, red, green.	NR
8	GREEN_WHITE	EEC_NAVMKCOLR_GREEN_WHITE	Green, white.	PR	[S57A, Attribute, COLMAR:18]
9	ORANGE	EEC_NAVMKCOLR_ORANGE	Orange.	NR
10	RED	EEC_NAVMKCOLR_RED	Red.	NR
11	RED_GREEN	EEC_NAVMKCOLR_RED_GREEN	Red, green.	NR
12	RED_GREEN_RED	EEC_NAVMKCOLR_RED_GREEN_RED	Red, green, red.	NR
13	RED_WHITE	EEC_NAVMKCOLR_RED_WHITE	Red, white.	NR
14	WHITE	EEC_NAVMKCOLR_WHITE	White.	NR
15	YELLOW	EEC_NAVMKCOLR_YELLOW	Yellow.	NR
16	YELLOW_BLACK	EEC_NAVMKCOLR_YELLOW_BLACK	Yellow, black.	NR
17	YELLOW_BLACK_YELLOW	EEC_NAVMKCOLR_YELLOW_BLACK_YELLOW	Yellow, black, yellow.	NR
18	YELLOW_RED_YELLOW	EEC_NAVMKCOLR_YELLOW_RED_YELLOW	Yellow, red, yellow.	NR

EDCS Group Labels: COLOUR, HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_MARK_SYSTEM

EDCS Attribute Code: 40

Definition:
The specific <AID_TO_NAVIGATION> marks <SYSTEM> supported by an <OBJECT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	IALA_A	EEC_NAVMKSYS_IALA_A	Navigational aids conform to the IALA A system.	NR
2	IALA_B	EEC_NAVMKSYS_IALA_B	Navigational aids conform to the IALA B system.	NR
3	US_MODIFIED	EEC_NAVMKSYS_US_MODIFIED	Navigational aids conform to the modified US system.	NR
4	NO_SYSTEM	EEC_NAVMKSYS_NO_SYSTEM	Navigational aids do not conform to any defined system.	NR
5	US_OLD	EEC_NAVMKSYS_US_OLD	Navigational aids conform to the old US system.	NR
6	SIGNI	EEC_NAVMKSYS_SIGNI	Navigational aids conform to the SIGNI system.	NR
7	US_INTRACOASTAL	EEC_NAVMKSYS_US_INTRACOASTAL	Navigational aids conform to the US intracoastal waterway system.	NR
8	US_UNIFORM_STATE	EEC_NAVMKSYS_US_UNIFORM_STATE	Navigational aids conform to the US uniform state system.	NR
9	US_WESTERN_RIVER	EEC_NAVMKSYS_US_WESTERN_RIVER	Navigational aids conform to the US western rivers system.	NR

EDCS Group Labels: HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_MARKER_TYPE

EDCS Attribute Code: 41

Definition:
The type of an <AID_TO_NAVIGATION> marker.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ELEC_BEACON	EEC_MAVMARKERTY_ELEC_BEACON	Electronic beacon, i.e., a radar pulse.	NR
2	ELEC_BEACON_VIS_DAYMARK	EEC_MAVMARKERTY_ELEC_BEACON_VIS_DAYMARK	Electronic beacon with an attached visual marker having a distinctive colour and shape that serve to facilitate its recognition against a daylight viewing background.	NR
3	VIS_BEACON	EEC_MAVMARKERTY_VIS_BEACON	Visual beacon, i.e., a flashing light.	NR
4	VIS_BEACON_VIS_DAYMARK	EEC_MAVMARKERTY_VIS_BEACON_VIS_DAYMARK	Visual beacon, i.e., a flashing light, with an attached visual marker having a distinctive colour and shape which serve to facilitate its recognition against a daylight viewing background.	NR
5	VIS_DAYMARK	EEC_MAVMARKERTY_VIS_DAYMARK	Visual marker having a distinctive colour and shape which serve to facilitate its recognition against a daylight viewing background.	NR

EDCS Group Labels: AIR_TRNSP, HYDROGRAPHIC_ARTEFACT, HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_PRIMARY_OPERATING_RANGE

EDCS Attribute Code: 42

Definition:
The primary operating range of an <AID_TO_NAVIGATION> beyond which the capture of the signal is not completely assured.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_RANGE

EDCS Attribute Code: 43

Definition:
The length of range established by <AID_TO_NAVIGATION>s on the <SHORE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_SECONDARY_OPERATING_RANGE

EDCS Attribute Code: 44

Definition:
The secondary operating range of an <AID_TO_NAVIGATION> beyond which the capture of the signal is not completely assured.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_STATUS

EDCS Attribute Code: 45

Definition:
The <AID_TO_NAVIGATION>s status of an <OBJECT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	LIT	EEC_AIDNAVSTAT_LIT	The object is marked by an illuminated aid to navigation.	NR
2	MARKED	EEC_AIDNAVSTAT_MARKED	The object is marked by an aid to navigation.	NR
3	UNLIT	EEC_AIDNAVSTAT_UNLIT	The object is marked, but not illuminated, by an aid to navigation.	NR
4	UNMARKED	EEC_AIDNAVSTAT_UNMARKED	The object is not marked by any aid to navigation.	NR

EDCS Group Labels: HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AID_TO_NAVIGATION_SYSTEM_TYPE

EDCS Attribute Code: 46

Definition:
The type of an <AID_TO_NAVIGATION> <SYSTEM>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	IALA	EEC_AIDNAVSYSTY_IALA	Navigational aids conform to the IALA system.	NR
2	IALA_REGION_A	EEC_AIDNAVSYSTY_IALA_REGION_A	Navigational aids conform to the IALA A system, specifically.	PR	[S57A, Attribute, MARSYS:1]
3	IALA_REGION_B	EEC_AIDNAVSYSTY_IALA_REGION_B	Navigational aids conform to the IALA B system, specifically.	PR	[S57A, Attribute, MARSYS:2]
4	NON_IALA	EEC_AIDNAVSYSTY_NON_IALA	Navigational aids conform to a defined system other than IALA.	PR	[S57A, Attribute, MARSYS:10]
5	NONCONFORMING	EEC_AIDNAVSYSTY_NONCONFORMING	Navigational aids do not conform to any defined system.	PR	[S57A, Attribute, MARSYS:9]
6	SIGNI	EEC_AIDNAVSYSTY_SIGNI	Navigational aids conform to the SIGNI system.	PR	[S57A, Attribute, MARSYS:8]
7	US_INTRACOASTAL	EEC_AIDNAVSYSTY_US_INTRACOASTAL	Navigational aids conform to the US intracoastal waterway system.	PR	[S57A, Attribute, MARSYS:5]
8	US_MODIFIED	EEC_AIDNAVSYSTY_US_MODIFIED	Navigational aids conform to the modified US system.	PR	[S57A, Attribute, MARSYS:3]
9	US_OLD	EEC_AIDNAVSYSTY_US_OLD	Navigational aids conform to the old US system.	PR	[S57A, Attribute, MARSYS:4]
10	US_UNIFORM_STATE	EEC_AIDNAVSYSTY_US_UNIFORM_STATE	Navigational aids conform to the US uniform state system.	PR	[S57A, Attribute, MARSYS:6]
11	US_WESTERN_RIVER	EEC_AIDNAVSYSTY_US_WESTERN_RIVER	Navigational aids conform to the US western rivers system.	PR	[S57A, Attribute, MARSYS:7]

EDCS Group Labels: HYDROGRAPHIC_TRNSP

Reference Type: PR

References: [S57A, Attribute: MARSYS]

EDCS Attribute Symbolic Constant: EAC_AIR_TEMPERATURE

EDCS Attribute Code: 47

Definition:
The <AIR> temperature.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: ATMOSPHERE, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIR_TEMPERATURE_ERROR

EDCS Attribute Code: 48

Definition:
The error in an <<AIR_TEMPERATURE>> measurement that is introduced by uncertainties.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: ATMOSPHERE, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_CARRIER_CLASS

EDCS Attribute Code: 49

Definition:
The class of an <AIRCRAFT_CARRIER>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CVN_CHARLES_DE_GAULLE	EEC_ARCRFCRRCLS_CVN_CHARLES_DE_GAULLE	The nuclear powered aircraft carrier class CVN Charles De Gaulle; approximate dimensions: 262 by 64 metres, deck area 12 000 square metres.	IR	[FFAA]
2	CVN_NIMITZ	EEC_ARCRFCRRCLS_CVN_NIMITZ	The nuclear powered aircraft carrier class CVN Nimitz, hull numbers 72 through 76; approximate dimensions: 317 by 41 metres.	IR	[NT1]
3	CVSG_GIUSEPPE_GARIBALDI	EEC_ARCRFCRRCLS_CVSG_GIUSEPPE_GARIBALDI	The ASW light aircraft carrier class CVSG Giuseppe Garibaldi, supporting VSTOL aircraft; approximate dimensions: 180 by 30 metres.	IR	[NT2]
4	CVSG_INVINCIBLE	EEC_ARCRFCRRCLS_CVSG_INVINCIBLE	The ASW light aircraft carrier class CVSG Invincible; approximate dimensions: 210 by 36 metres. Carries vertical short take off and landing <AIRCRAFT> and <HELICOPTER>s.	IR	[WNT1]

EDCS Group Labels: VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_FUNCTION

EDCS Attribute Code: 50

Definition:
The operating function of an <AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AGRICULTURE	EEC_ARCRFFN_AGRICULTURE	To apply seed, pesticides or herbicides in agricultural areas.	NR
2	AIR_DEFENSE	EEC_ARCRFFN_AIR_DEFENSE	To engage in air defense operations.	NR
3	AMBULANCE	EEC_ARCRFFN_AMBULANCE	To transport sick or injured; ambulance operations.	NR
4	ASW	EEC_ARCRFFN_ASW	To engage in ASW operations.	NR
5	ATTACK	EEC_ARCRFFN_ATTACK	To engage in attack combat operations.	NR
6	BOMBER	EEC_ARCRFFN_BOMBER	To carry and drop bombs; a bomber.	NR
7	CARGO	EEC_ARCRFFN_CARGO	To transport <CARGO>.	NR
8	COMMAND_AND_CONTROL	EEC_ARCRFFN_COMMAND_AND_CONTROL	To operate in a command and control mode.	NR
9	COMMERCIAL	EEC_ARCRFFN_COMMERCIAL	To engage in commercial operations.	NR
10	EARLY_WARNING	EEC_ARCRFFN_EARLY_WARNING	To utilize long range radar to detect approaching <AIRCRAFT> or <MISSILE>s; early warning operations.	NR
11	ELECTRONIC_WARFARE	EEC_ARCRFFN_ELECTRONIC_WARFARE	To engage in electronic warfare operations.	NR
12	EXPERIMENTAL	EEC_ARCRFFN_EXPERIMENTAL	To engage in experimental operations.	NR
13	FIGHTER	EEC_ARCRFFN_FIGHTER	To engage in aerial combat; fighter operations.	NR
14	OBSERVATION	EEC_ARCRFFN_OBSERVATION	To make observations and record phenomenon with instruments.	NR
15	PASSENGER	EEC_ARCRFFN_PASSENGER	To carry passengers.	NR
16	PATROL	EEC_ARCRFFN_PATROL	To engage in patrol operations.	NR
17	RECONNAISSANCE	EEC_ARCRFFN_RECONNAISSANCE	To engage in reconnaissance operations.	NR
18	RESEARCH	EEC_ARCRFFN_RESEARCH	To engage in research operations.	NR
19	SCOUT	EEC_ARCRFFN_SCOUT	To engage in scout operations.	NR
20	SEARCH_AND_RESCUE	EEC_ARCRFFN_SEARCH_AND_RESCUE	To engage in search and rescue operations.	NR
21	SPECIAL_ELECTRONIC	EEC_ARCRFFN_SPECIAL_ELECTRONIC	To engage in special electronic operations.	NR
22	SPECIAL_OPERATIONS	EEC_ARCRFFN_SPECIAL_OPERATIONS	To engage in special operations.	NR
23	STRIKE	EEC_ARCRFFN_STRIKE	To engage in military attack, assault, or strike operations.	NR
24	SURVEILLANCE	EEC_ARCRFFN_SURVEILLANCE	To engage in surveillance operations.	NR
25	TANKER	EEC_ARCRFFN_TANKER	To transport liquids, such as <PETROLEUM>, in bulk; tanker operations.	NR
26	TARGET	EEC_ARCRFFN_TARGET	To serve as a target for training exercises or experimentation.	NR
27	TRAINER	EEC_ARCRFFN_TRAINER	To engage in training operations.	NR
28	TRANSPORT	EEC_ARCRFFN_TRANSPORT	To transport <EQUIPMENT>, <PERSONNEL>, or <SUPPLIES_AND_EXPENDABLES>.	NR
29	UTILITY	EEC_ARCRFFN_UTILITY	To engage in various utility operations.	NR

EDCS Group Labels: AIR_TRNSP, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_ICING_INTENSITY

EDCS Attribute Code: 51

Definition:
The estimated intensity of <ICE> formation that may be expected by an <AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	NO_ICING	EEC_ARCRFICINGINT_NO_ICING	No icing accumulates.	NR
2	TRACE	EEC_ARCRFICINGINT_TRACE	Ice accumulation becomes perceptible. Rate of accumulation is slightly greater than the rate of sublimation. It is not hazardous even though de-icing/anti-icing equipment is not utilized unless encountered for an extended period of time (over 1 hour).	IR	[F7110.65]
3	LIGHT	EEC_ARCRFICINGINT_LIGHT	The rate of ice accumulation may create a problem if flight is prolonged in this environment (over 1 hour). Occasional use of de-icing/anti-icing equipment removes/prevents accumulation; it does not present a problem if the de-icing, anti-icing equipment is used.	IR	[F7110.65]
4	MODERATE	EEC_ARCRFICINGINT_MODERATE	The rate of ice accumulation is such that even short encounters become potentially hazardous and use of de-icing, anti-icing or flight diversion is necessary.	IR	[F7110.65]
5	HEAVY	EEC_ARCRFICINGINT_HEAVY	The rate of ice accumulation is such that de-icing/anti-icing equipment fails to reduce or control the hazard. Immediate flight diversion is necessary.	IR	[F7110.65]

EDCS Group Labels: AIR_TRNSP, ICE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_ICING_LEVEL_BASE_ALTITUDE

EDCS Attribute Code: 52

Definition:
The estimated altitude, relative to the MSL <SURFACE_DATUM>, of the lower <SURFACE> level of a layer in the <ATMOSPHERE> where an <AIRCRAFT> can expect icing.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, ATMOSPHERE, DIMENSION, ICE, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_ICING_LEVEL_TOP_ALTITUDE

EDCS Attribute Code: 53

Definition:
The estimated altitude, relative to the MSL <SURFACE_DATUM>, of the upper <SURFACE> level of a layer in the <ATMOSPHERE> where an <AIRCRAFT> can expect icing.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, ATMOSPHERE, DIMENSION, ICE, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_ICING_TYPE

EDCS Attribute Code: 54

Definition:
The type of <ICE> that is expected to accumulate on the <SURFACE> of an <AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CLEAR	EEC_ARCRFICINGTY_CLEAR	Relatively transparent ice having a homogeneous structure and few air pockets may accumulate on aircraft <SURFACE>s.	NR
2	FROST	EEC_ARCRFICINGTY_FROST	A white, feathery deposit of interlocking ice crystals formed by the sublimation of water vapour may accumulate on aircraft <SURFACE>s.	NR
3	MIXED	EEC_ARCRFICINGTY_MIXED	Combination of clear ice, rime ice, and frost.	NR
4	NONE_PRESENT	EEC_ARCRFICINGTY_NONE_PRESENT	No icing present.	NR
5	RIME	EEC_ARCRFICINGTY_RIME	An opaque, granular deposit of ice crystals may form when droplets of supercooled fog come in contact with a aircraft vertical <SURFACE>s.	NR

EDCS Group Labels: AIR_TRNSP, ATMOSPHERE, ICE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_LANDING_GEAR_DEPLOYED_POSITION

EDCS Attribute Code: 55

Definition:
The position of an <AIRCRAFT>'s landing gear in terms of fractional deployment from a fully retracted state.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: AIR_TRNSP, RATE_OR_RATIO, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_LOAD_RESTRICTIONS

EDCS Attribute Code: 56

Definition:
The description of any load restrictions that apply to <AIRCRAFT> using a <FACILITY>.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_PROPULSION_TYPE

EDCS Attribute Code: 57

Definition:
The type of propulsion of an <AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	JET_PROPELLED	EEC_ARCRFPRPLTY_JET_PROPELLED	Having or employing a means of jet propulsion.	DR	[NSOED, "jet", 2]
2	RECIPROCATING_ENGINE	EEC_ARCRFPRPLTY_RECIPROCATING_ENGINE	Using a piston or pistons moving up and down in cylinders; reciprocating engine.	DR	[NSOED, "reciprocating"]
3	TURBOPROP	EEC_ARCRFPRPLTY_TURBOPROP	Employing a jet engine in which a turbine is used as in a turbojet and also to drive a propeller; turboprop.	DR	[NSOED, "turbo-"]

EDCS Group Labels: AIR_TRNSP, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRCRAFT_TYPE

EDCS Attribute Code: 58

Definition:
The type of an <AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BALLOON	EEC_ARCRFTY_BALLOON	A usually round or pear-shaped airtight envelope designed to rise into the air when inflated with hot air or another gas that is lighter than air, carrying a basket or car for passengers; a balloon.	DR	[NSOED, "balloon"]
2	DIRIGIBLE	EEC_ARCRFTY_DIRIGIBLE	A steerable and self-propelled with a main chamber filled with a gas that is lighter than the surrounding air; a dirigible.	IR	[PUWN]
3	DRONE	EEC_ARCRFTY_DRONE	Pilotless and designed for remote control operation; a drone.	NR
4	FIXED_WING	EEC_ARCRFTY_FIXED_WING	Designed with fixed wings.	NR
5	GLIDER	EEC_ARCRFTY_GLIDER	Designed to fly for long periods without power.	DR	[NSOED, "glider", 2]
6	ROTARY_WINGED	EEC_ARCRFTY_ROTARY_WINGED	Designed to derive lift from blades that rotate about an approximately vertical central axis.	NR
7	SPACEPLANE	EEC_ARCRFTY_SPACEPLANE	Designed for limited <SPACE> flight; a spaceplane.	NR
8	STOL	EEC_ARCRFTY_STOL	Designed for STOL operations.	NR
9	UNMANNED_AUTONOMOUS	EEC_ARCRFTY_UNMANNED_AUTONOMOUS	Designed for unmanned autonomous flight.	NR
10	VARIABLE_WING	EEC_ARCRFTY_VARIABLE_WING	Designed with a variable position wing system for alteration of its shape to facilitate a wider range of performance.	NR
11	VTOL	EEC_ARCRFTY_VTOL	Designed for VTOL operations.	NR

EDCS Group Labels: AIR_TRNSP, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRSPACE_ALTITUDE_LIMITS

EDCS Attribute Code: 59

Definition:
The description of the altitude limits of <SPECIAL_USE_AIRSPACE>s.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: AIR_TRNSP, DEMARCATION, DIMENSION, USAGE_REGION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRSPACE_IDENTIFIER

EDCS Attribute Code: 60

Definition:
The textual identifier of an <AIRSPACE>.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRSPACE_LIMITATION

EDCS Attribute Code: 61

Definition:
The type of <AIRSPACE> wherein activities must be confined because of their nature and/or wherein limitations may be imposed upon <AIRCRAFT> operations.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIR_EXERCISE	EEC_ARSPCLIMIT_AIR_EXERCISE	Air exercise region.	NR
2	ALERT	EEC_ARSPCLIMIT_ALERT	Alert region.	NR
3	BIRD_HAZARD	EEC_ARSPCLIMIT_BIRD_HAZARD	Bird hazard sites.	NR
4	BIRD_SANCTUARY	EEC_ARSPCLIMIT_BIRD_SANCTUARY	Bird sanctuary.	NR
5	CAUTION	EEC_ARSPCLIMIT_CAUTION	Caution region.	NR
6	CONTROLLED_FIRING	EEC_ARSPCLIMIT_CONTROLLED_FIRING	Controlled, firing region.	NR
7	DANGER	EEC_ARSPCLIMIT_DANGER	Danger region.	NR
8	DEFENSE	EEC_ARSPCLIMIT_DEFENSE	Defense region.	NR
9	GAS_VENTING_STATION	EEC_ARSPCLIMIT_GAS_VENTING_STATION	Gas venting station.	NR
10	HAZARD_TO_AIRCRAFT	EEC_ARSPCLIMIT_HAZARD_TO_AIRCRAFT	Hazard to aircraft.	NR
11	HELICOPTER_PROTECTION	EEC_ARSPCLIMIT_HELICOPTER_PROTECTION	Helicopter protection.	NR
12	HIGH_INTENSITY_RADIO	EEC_ARSPCLIMIT_HIGH_INTENSITY_RADIO	High-intensity radio transmissions in vicinity.	NR
13	INDUSTRIAL_HAZARDS	EEC_ARSPCLIMIT_INDUSTRIAL_HAZARDS	Industrial hazards or object needing protection.	NR
14	INTENSE_AIR_ACTIVITY	EEC_ARSPCLIMIT_INTENSE_AIR_ACTIVITY	Region of intense air activity.	NR
15	MICROLIGHT_FLYING	EEC_ARSPCLIMIT_MICROLIGHT_FLYING	Region of intensive microlight or ultralight flying.	NR
16	LOW_FLY_AVOIDANCE	EEC_ARSPCLIMIT_LOW_FLY_AVOIDANCE	Low-flying avoidance region.	NR
17	LOW_FLY_DEDICATED_USER	EEC_ARSPCLIMIT_LOW_FLY_DEDICATED_USER	Low-flying Dedicated User Area.	NR
18	LOW_FLY_TACTICAL_TRAINING	EEC_ARSPCLIMIT_LOW_FLY_TACTICAL_TRAINING	Low-flying Tactical Training Area.	NR
19	MEDICAL	EEC_ARSPCLIMIT_MEDICAL	Health resorts or medical establishments.	NR
20	MILITARY_FLYING	EEC_ARSPCLIMIT_MILITARY_FLYING	Military flying zone.	NR
21	MILITARY_OPERATIONS	EEC_ARSPCLIMIT_MILITARY_OPERATIONS	Military operations zone.	NR
22	MINK_FARM	EEC_ARSPCLIMIT_MINK_FARM	Mink farm.	NR
23	NATURE_RESERVE	EEC_ARSPCLIMIT_NATURE_RESERVE	Nature reserve, park, or conservation site to be avoided.	NR
24	NON_FREE_FLYING	EEC_ARSPCLIMIT_NON_FREE_FLYING	No free-flying.	NR
25	OPERATING	EEC_ARSPCLIMIT_OPERATING	Operating region.	NR
26	PARACHUTE_DROP_ZONE	EEC_ARSPCLIMIT_PARACHUTE_DROP_ZONE	Parachute drop zone.	NR
27	PROHIBITED	EEC_ARSPCLIMIT_PROHIBITED	Prohibited region.	NR
28	PROHIBITED_VFR	EEC_ARSPCLIMIT_PROHIBITED_VFR	Prohibited - VFR.	NR
29	PROVOST_MARSHAL	EEC_ARSPCLIMIT_PROVOST_MARSHAL	Limitations on airspace use imposed by local military police under the direction of the Provost Marshal.	NR
30	RESTRICTED	EEC_ARSPCLIMIT_RESTRICTED	Restricted region.	NR
31	SPARSELY_SETTLED	EEC_ARSPCLIMIT_SPARSELY_SETTLED	Sparsely settled region.	NR
32	TEMPORARY_RESERVED	EEC_ARSPCLIMIT_TEMPORARY_RESERVED	Temporary reserved airspace.	NR
33	TOWN_TO_BE_AVOIDED	EEC_ARSPCLIMIT_TOWN_TO_BE_AVOIDED	Town to be avoided.	NR
34	WARNING	EEC_ARSPCLIMIT_WARNING	Warning region.	NR

EDCS Group Labels: AIR_TRNSP, USAGE_REGION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRSPACE_OPERATING_RESTRICTIONS

EDCS Attribute Code: 62

Definition:
The status of an <AIRSPACE> and any operating restrictions that are applicable.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: AIR_TRNSP, TIME

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AIRSPACE_TYPE

EDCS Attribute Code: 63

Definition:
The type of designated <AIRSPACE> within which some or all <AIRCRAFT> may be subject to air traffic control.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ADVISORY	EEC_ARSPCTY_ADVISORY	Airport advisory region: The region within 16,09 kilometres (10 statute miles) of an airport where a control tower is not operating but where a Flight Service Station is located. At such locations, the FSS provides advisory service to arriving and departing aircraft.	IR	[AIM]
2	AERODROME_CZ	EEC_ARSPCTY_AERODROME_CZ	Aerodrome Control Zone.	NR
3	AERODROME_TRAFFIC_ZONE	EEC_ARSPCTY_AERODROME_TRAFFIC_ZONE	Aerodrome Traffic Zone (ATZ).	NR
4	AIR_DEFENCE_IDZ	EEC_ARSPCTY_AIR_DEFENCE_IDZ	Air Defense Identification Zone.	NR
5	AIR_TO_AIR_REFUELING	EEC_ARSPCTY_AIR_TO_AIR_REFUELING	Air-to-Air Refueling Area/Track/Route.	NR
6	AIRPORT_ADVISORY_AREA	EEC_ARSPCTY_AIRPORT_ADVISORY_AREA	Airport Advisory Area.	NR
7	AIRPORT_RADAR_SERVICE_AREA	EEC_ARSPCTY_AIRPORT_RADAR_SERVICE_AREA	Airport Radar Service Area (ARSA).	NR
8	ALTIMETER_SETTING_REGION	EEC_ARSPCTY_ALTIMETER_SETTING_REGION	Altimeter setting region: A geographical region for which the lowest value of QNH (altitude above mean sea level based on local station pressure) is forecast hourly and relayed by air traffic control centres; e.g., altimeter setting region.	IR	[AAAJ]
9	AREA_CONTROL_CENTRE	EEC_ARSPCTY_AREA_CONTROL_CENTRE	Area Control Centre (ACC).	NR
10	ARTCC	EEC_ARSPCTY_ARTCC	Air Route Traffic Control Centre (ARTCC).	NR
11	ARTCC_SECTOR_DISCRETE	EEC_ARSPCTY_ARTCC_SECTOR_DISCRETE	ARTCC Sector Discrete.	NR
12	BUFFER_ZONE	EEC_ARSPCTY_BUFFER_ZONE	Buffer Zone.	NR
13	CANADIAN_AIR_DEFENCE_IDZ	EEC_ARSPCTY_CANADIAN_AIR_DEFENCE_IDZ	Canadian Air Defense Identification Zone (CADIZ).	NR
14	CONTINENTAL_CONTROL_AREA	EEC_ARSPCTY_CONTINENTAL_CONTROL_AREA	Continental Control Area (CCA).	NR
15	CONTROL_AREA	EEC_ARSPCTY_CONTROL_AREA	Control Area (CTA).	NR
16	CONTROL_ZONE	EEC_ARSPCTY_CONTROL_ZONE	Control zone or region: A region of controlled airspace extending upwards from ground level to a specified upper limit; a region of protected airspace surrounding an airfield bounded by a circle of 3,70 kilometres (2 nautical miles) or 4,63 kilometres (2,5 nautical miles) radius (depending on runway length) centered on the mid-point of the longest runway. Permission is required for entry into and movement in an ATZ.	IR	[AAAJ]
17	CONTROLLED_AIRSPACE	EEC_ARSPCTY_CONTROLLED_AIRSPACE	Controlled Airspace.	NR
18	CONTROLLED_VFR	EEC_ARSPCTY_CONTROLLED_VFR	Controlled VFR.	NR
19	DEW_IDZ	EEC_ARSPCTY_DEW_IDZ	DEW Identification Zone (DEWIZ).	NR
20	DEW_MLTRY_IDZ	EEC_ARSPCTY_DEW_MLTRY_IDZ	Distant Early Warning Military Identification Zone (DEWMIZ).	NR
21	FLIGHT_INFORMATION_CENTER	EEC_ARSPCTY_FLIGHT_INFORMATION_CENTER	Flight Information Centre (FIC)/Flight Service Station (FSS).	NR
22	FLIGHT_INR	EEC_ARSPCTY_FLIGHT_INR	Flight information region: A region of airspace where a variety of flight information (but not flight control) is provided by specific Flight Information Centres, e.g., the United Kingdom has two flight information regions, London and Scottish.	IR	[AAAJ]
23	FRENCH_PERIPHERAL_IDZ	EEC_ARSPCTY_FRENCH_PERIPHERAL_IDZ	French Peripheral Identification Zone (LIP).	NR
24	KOREA_LIMITED_IDZ	EEC_ARSPCTY_KOREA_LIMITED_IDZ	Korea Limited Identification Zone.	NR
25	LFLY_AREA	EEC_ARSPCTY_LFLY_AREA	Low-flying Area.	NR
26	LFLY_AREA_SUB_BOUNDARY	EEC_ARSPCTY_LFLY_AREA_SUB_BOUNDARY	Low-flying Area Sub-Boundary.	NR
27	LFLY_DEDICATED_USER	EEC_ARSPCTY_LFLY_DEDICATED_USER	Low-flying Dedicated User Area.	NR
28	LFLY_DIVIDING_LINE	EEC_ARSPCTY_LFLY_DIVIDING_LINE	Low-flying Dividing Line.	NR
29	LFLY_FLOW_ARROW	EEC_ARSPCTY_LFLY_FLOW_ARROW	Low-flying Flow Arrow.	NR
30	LFLY_FLOW_CORRIDOR	EEC_ARSPCTY_LFLY_FLOW_CORRIDOR	Low-flying Flow Corridor Boundary.	NR
31	LFLY_TACT_ROUTE	EEC_ARSPCTY_LFLY_TACT_ROUTE	Low-flying Tactical Route Boundary.	NR
32	LFLY_TACT_TRAINING	EEC_ARSPCTY_LFLY_TACT_TRAINING	Low-flying Tactical Training Area.	NR
33	LFLY_WEATHER_CORRIDOR	EEC_ARSPCTY_LFLY_WEATHER_CORRIDOR	Low-flying Weather Corridor.	NR
34	MANDATORY_RADIO_AREA	EEC_ARSPCTY_MANDATORY_RADIO_AREA	Mandatory Radio Area.	NR
35	MAXIMUM_ELEVATION_FIGURE	EEC_ARSPCTY_MAXIMUM_ELEVATION_FIGURE	Maximum Elevation Figure.	NR
36	MIDCANADA_IDZ	EEC_ARSPCTY_MIDCANADA_IDZ	Mid-Canada Identification Zone (MIDIZ).	NR
37	MLTRY_ATZ	EEC_ARSPCTY_MLTRY_ATZ	Military ATZ.	NR
38	MLTRY_CLIMB_CORRIDOR	EEC_ARSPCTY_MLTRY_CLIMB_CORRIDOR	Military climb corridor: Positive controlled airspace of defined vertical and horizontal dimensions extending from a military airfield.	IR	[AR310]
39	MLTRY_COMMON_AREA_CONTROL	EEC_ARSPCTY_MLTRY_COMMON_AREA_CONTROL	Military Common Area Control (MCAC).	NR
40	MLTRY_CZ	EEC_ARSPCTY_MLTRY_CZ	Military control zone or region: A region of protected airspace surrounding certain military airfields which normally extends for a 9,26 kilometre (5 nautical mile) radius around the airfield and upwards from the <SURFACE> to 914,4 metres (3 000 feet) above aerodrome level. A 'stub' projection protects the final approach path to the main runway outwards from the MATZ boundary, enclosing a region 1,852 kilometre (two nautical mile) either side of the extended runway centerline and upwards from 304,8 metres (1 000 feet) above the <SURFACE> to 914,4 metres (3 000 feet) above aerodrome elevation. Although recognition of a MATZ is not mandatory for civil aircraft, all MATZ aerodromes offer a penetration service to civil traffic during operational hours.	IR	[AAAJ]
41	MLTRY_RADAR_SERVICE_AREA	EEC_ARSPCTY_MLTRY_RADAR_SERVICE_AREA	Mandatory Radar Service Area.	NR
42	MLTRY_SECTOR_CONTROL_CENTER	EEC_ARSPCTY_MLTRY_SECTOR_CONTROL_CENTER	Military Sector Control centre (SCC-AM).	NR
43	MLTRY_UPPER	EEC_ARSPCTY_MLTRY_UPPER	Military Upper.	NR
44	MOUNTAINOUS	EEC_ARSPCTY_MOUNTAINOUS	Designated mountainous region.	NR
45	OCA	EEC_ARSPCTY_OCA	Oceanic Control Area (FAA) (OCA).	NR
46	OCA_NON_FAA	EEC_ARSPCTY_OCA_NON_FAA	Oceanic Control Area (non-FAA) (OCA).	NR
47	POSITIVE_CONTROL_AREA	EEC_ARSPCTY_POSITIVE_CONTROL_AREA	Positive Control Area (PCA).	NR
48	POSITIVE_CZ	EEC_ARSPCTY_POSITIVE_CZ	Positive Control Zone (PCZ).	NR
49	RADAR_AREA	EEC_ARSPCTY_RADAR_AREA	Radar Area.	NR
50	RADAR_AREA_SECTOR_BOUNDARY	EEC_ARSPCTY_RADAR_AREA_SECTOR_BOUNDARY	Radar Area Sector Boundary.	NR
51	RADAR_SERVICE_AREA	EEC_ARSPCTY_RADAR_SERVICE_AREA	Radar Service Area.	NR
52	SECURITY_IDZ	EEC_ARSPCTY_SECURITY_IDZ	Security Identification Zone (SIZ).	NR
53	SAL_ENTRY	EEC_ARSPCTY_SAL_ENTRY	Special Access Lane Entry.	NR
54	SAL_EXIT	EEC_ARSPCTY_SAL_EXIT	Special Access Lane Exit.	NR
55	SPC_RULES_AREA	EEC_ARSPCTY_SPC_RULES_AREA	Special Rules Area.	NR
56	SPC_RULES_ZONE	EEC_ARSPCTY_SPC_RULES_ZONE	Special rules zone: A region of protected airspace surrounding an airfield and extending from the <SURFACE> upwards to a specific level which affords safety to air traffic movements in the vicinity of airfields whose traffic level does not warrant the establishment of a Control Zone.	IR	[AAAJ]
57	SUB_FLIGHT_INR	EEC_ARSPCTY_SUB_FLIGHT_INR	Sub-flight information region.	NR
58	TERMINAL_CONTROL	EEC_ARSPCTY_TERMINAL_CONTROL	Terminal control region: A region of controlled airspace at the intersection of airways in the vicinity of control zones around major airports.	IR	[AAAJ]
59	TERMINAL_RADAR_SERVICE_AREA	EEC_ARSPCTY_TERMINAL_RADAR_SERVICE_AREA	Terminal Radar Service Area (TRSA).	NR
60	TRAFFIC_INZ	EEC_ARSPCTY_TRAFFIC_INZ	Traffic Information Zone.	NR
61	TRAINING_AIRSPACE	EEC_ARSPCTY_TRAINING_AIRSPACE	Training Airspace.	NR
62	TRANSITION_AREA	EEC_ARSPCTY_TRANSITION_AREA	Transition Area (TA).	NR
63	UNCONTROLLED_AIRSPACE	EEC_ARSPCTY_UNCONTROLLED_AIRSPACE	Uncontrolled Airspace.	NR
64	UPPER_ADVISORY_AREA	EEC_ARSPCTY_UPPER_ADVISORY_AREA	Upper Advisory Area (UDA).	NR
65	UPPER_AIRSPACE_CENTERS	EEC_ARSPCTY_UPPER_AIRSPACE_CENTERS	Upper Airspace centres Operational Air Traffic.	NR
66	UPPER_CONTROL_AREA	EEC_ARSPCTY_UPPER_CONTROL_AREA	Upper Control Area.	NR
67	UPPER_FLIGHT_INR	EEC_ARSPCTY_UPPER_FLIGHT_INR	Upper Flight Information Region (UIR).	NR
68	VFR_SECTOR	EEC_ARSPCTY_VFR_SECTOR	VFR Sector Boundary.	NR
69	ZONE_OF_INTERIOR	EEC_ARSPCTY_ZONE_OF_INTERIOR	Zone of interior.	NR

EDCS Group Labels: AIR_TRNSP, DEMARCATION, USAGE_REGION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ALL_OBJECT_COUNT

EDCS Attribute Code: 64

Definition:
The number of <OBJECT>s of all types within the area of an <OBJECT>.

EDCS Attribute Value Data Type: COUNT

EDCS Group Labels: RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ALONGSHORE_CURRENT_SPEED

EDCS Attribute Code: 65

Definition:
Speed of a <WATER_CURRENT> paralleling the <SHORE> largely within the <SURF_ZONE>, caused by the excess <WATER> brought to the zone by the small net mass transport of <WATER_WAVE>s induced by <WIND>; alongshore <WATER_CURRENT>s feed into rip <WATER_CURRENT>s.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: LITTORAL, RATE_OR_RATIO, WATER_BODY_SURFACE

Reference Type: IR

References: [BOWD]

EDCS Attribute Symbolic Constant: EAC_AMBIENT_LIGHT_INTENSITY

EDCS Attribute Code: 66

Definition:
The observed ambient light intensity emanating from an <OBJECT>, expressed as fraction of maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: DIMENSION, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AMPHIBIOUS_VEHICLE_TYPE

EDCS Attribute Code: 67

Definition:
The type of an <AMPHIBIOUS_VEHICLE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIR_CUSHION_VEHICLE	EEC_AMPHIBVEHTY_AIR_CUSHION_VEHICLE	An <AMPHIBIOUS_AIR_CUSHION_VEHICLE>.	NR
2	ARMOURED_UTILITY	EEC_AMPHIBVEHTY_ARMOURED_UTILITY	Armoured, and designed to support utility operations.	NR
3	BRIDGING_SYSTEM	EEC_AMPHIBVEHTY_BRIDGING_SYSTEM	A component of a <MOBILE_BRIDGE_SYSTEM>.	NR
4	GROUND_COMBAT	EEC_AMPHIBVEHTY_GROUND_COMBAT	Designed for ground combat or assault operations.	NR
5	TRACKED	EEC_AMPHIBVEHTY_TRACKED	Tracked.	NR
6	TRACKED_OVER_SNOW	EEC_AMPHIBVEHTY_TRACKED_OVER_SNOW	Tracked and designed for various operations over <SNOW>.	NR
7	WHEELED	EEC_AMPHIBVEHTY_WHEELED	Wheeled.	NR

EDCS Group Labels: VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ANGULAR_SECTOR_WIDTH

EDCS Attribute Code: 68

Definition:
The width of an angular sector for which the measurement applies.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ANTENNA_COUNT

EDCS Attribute Code: 69

Definition:
The number of distinct <ANTENNA> on a <STRUCTURE>.

EDCS Attribute Value Data Type: COUNT

EDCS Group Labels: DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ANTENNA_TYPE

EDCS Attribute Code: 70

Definition:
The structural type of an <ANTENNA>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	FIXED_PHASED_ARRAY	EEC_ANTTY_FIXED_PHASED_ARRAY	Fixed phased array.	NR
2	HORN	EEC_ANTTY_HORN	Horn.	NR
3	PARABOLIC_DISH	EEC_ANTTY_PARABOLIC_DISH	Parabolic dish.	NR
4	WHIP	EEC_ANTTY_WHIP	Whip.	NR

EDCS Group Labels: ACOUSTIC_PHENOMENON, ANCILLARY_ARTEFACT, EM_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ANTENNA_USE

EDCS Attribute Code: 71

Definition:
The functional use of an <ANTENNA>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIR_TRAFFIC_CONTROL	EEC_ANTUSE_AIR_TRAFFIC_CONTROL	Air traffic control.	NR
2	MARINE_RADIO_SERVICE	EEC_ANTUSE_MARINE_RADIO_SERVICE	Marine radio service.	NR
3	PUBLIC_SAFETY	EEC_ANTUSE_PUBLIC_SAFETY	Public safety.	NR
4	RADAR	EEC_ANTUSE_RADAR	Radar.	NR
5	RADIO_BROADCAST	EEC_ANTUSE_RADIO_BROADCAST	Radio broadcast.	NR
6	SATELLITE_UPLINK	EEC_ANTUSE_SATELLITE_UPLINK	Satellite uplink.	NR
7	TELEVISION_BROADCAST	EEC_ANTUSE_TELEVISION_BROADCAST	Television broadcast.	NR

EDCS Group Labels: ACOUSTIC_PHENOMENON, ANCILLARY_ARTEFACT, EM_PHENOMENON

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ANTI_COLLISION_LIGHT_INTENSITY

EDCS Attribute Code: 72

Definition:
The intensity of external <LIGHTING> used to prevent collision with/between <VEHICLE>s, expressed as fraction of maximum; anti-collision or brake lights.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: LIGHTING_AND_VISIBILITY, RATE_OR_RATIO, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AQUEDUCT_TYPE

EDCS Attribute Code: 73

Definition:
The type of an <AQUEDUCT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	QANAT_SHAFT	EEC_AQUETY_QANAT_SHAFT	Qanat, kanat, or karez shaft; these are aqueducts flowing from a high point on the water table via an underground tunnel to a destination. Vertical shafts leading from the <SURFACE> down into the tunnel are used for access during construction, and for later maintenance.	NR
2	UNDERGROUND	EEC_AQUETY_UNDERGROUND	An underground (below <SURFACE> level) pipe or artificial channel designed to transport water from a remote source, usually by gravity.	NR

EDCS Group Labels: HYDROLOGY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_AREA

EDCS Attribute Code: 74

Definition:
The absolute area within the area of an <OBJECT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: AREA

EDCS Group Labels: DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ARRESTING_GEAR_TYPE

EDCS Attribute Code: 75

Definition:
Type of device used to stop an uncontrolled <AIRCRAFT> at the end of a <RUNWAY> (arresting gear).

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CABLE	EEC_ARRESTGEARTY_CABLE	That part of an aircraft arresting system which spans the runway <SURFACE> or flight deck landing site and is engaged by the aircraft arresting hook; e.g., aircraft arresting wire or cable.	IR	[J1-02]
2	JET_BARRIER	EEC_ARRESTGEARTY_JET_BARRIER	A device, not dependent on an aircraft arresting hook, used to stop an aircraft by absorbing its forward momentum in an emergency landing or an aborted takeoff; e.g., barricade, or emergency barrier.	IR	[J1-02]
3	NET	EEC_ARRESTGEARTY_NET	A type of aircraft arresting system where the principle barrier is a net.	NR

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ASPECT_ANGLE

EDCS Attribute Code: 76

Definition:
The angle measured from the major axis of an <OBJECT> clockwise to the direction of viewing (aspect). Zero represents either the direction of motion, or other unique orientation along the primary axis, heading directly towards the observer.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ASSAULT_LANDING_CRAFT_TYPE

EDCS Attribute Code: 77

Definition:
The type of a <LANDING_CRAFT> designed for amphibious assault operations.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	L_3004_SIR_BEDIVERE_CLASS	EEC_ASLTLNDGCRFTTY_L_3004_SIR_BEDIVERE_CLASS	The L 3004 Sir Bedivere Class with aft <HELICOPTER> deck; approximate dimensions: 139 by 18 metres.	IR	[WNT1]
2	L_3505_SIR_TRISTRAM_CLASS_AMPHIBIOUS_ASSAULT_VESSEL	EEC_ASLTLNDGCRFTTY_L_3505_SIR_TRISTRAM_CLASS_AMPHIBIOUS_ASSAULT_VESSEL	The L 3505 Sir Tristram Class amphibious assault <VESSEL>; approximate dimensions: 139 by 18 metres.	IR	[WNT1]
3	LPH01_OCEAN_CLASS_HELICOPTER_CARRIER	EEC_ASLTLNDGCRFTTY_LPH01_OCEAN_CLASS_HELICOPTER_CARRIER	The LPH 01 Ocean Class, amphibious assault <HELICOPTER> carrier; approximate dimensions: 203 by 33 metres.	IR	[WNT1]

EDCS Group Labels: VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ASSET_TYPE

EDCS Attribute Code: 78

Definition:
The type of an asset, e.g., <VEHICLE>, <EQUIPMENT> or <PERSONNEL>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIR_DEFENSE	EEC_ASSETTY_AIR_DEFENSE	Air or missile defence equipment.	NR
2	ARMOURED_FIGHTING_VEHICLE	EEC_ASSETTY_ARMOURED_FIGHTING_VEHICLE	Armoured fighting <VEHICLE>, e.g., IFV, APC, SP mortar, armoured car, chemical reconnaissance, anti-tank guided missile launcher.	NR
3	ARMOURED_UTILITY_VEHICLE	EEC_ASSETTY_ARMOURED_UTILITY_VEHICLE	Armoured utility <VEHICLE>, e.g., engineering vehicle, tracked load carrier, towing vehicle, recovery vehicle, or AVLB.	NR
4	ARMOURED_VEHICLE	EEC_ASSETTY_ARMOURED_VEHICLE	Armoured <VEHICLE>s, generic.	NR
5	ARTILLERY_GENERIC	EEC_ASSETTY_ARTILLERY_GENERIC	Artillery generic.	NR
6	BATTLE_TANK	EEC_ASSETTY_BATTLE_TANK	Battle tank.	NR
7	C4I_SYSTEM	EEC_ASSETTY_C4I_SYSTEM	Command, control, communication, and computers information system.	NR
8	CIVILIAN_VEHICLE	EEC_ASSETTY_CIVILIAN_VEHICLE	Civilian <VEHICLE>.	NR
9	GENERAL_INFANTRY	EEC_ASSETTY_GENERAL_INFANTRY	General infantry.	NR
10	HEAVY_EQUIPMENT_TRANSPORT	EEC_ASSETTY_HEAVY_EQUIPMENT_TRANSPORT	Heavy equipment transport trailers.	NR
11	LARGE_TRACK_UTILITY_VEHICLE	EEC_ASSETTY_LARGE_TRACK_UTILITY_VEHICLE	Large tracked utility <VEHICLE>s > 4 999 kilogram weight load.	NR
12	LARGE_WHEEL_UTILITY_VEHICLE	EEC_ASSETTY_LARGE_WHEEL_UTILITY_VEHICLE	Large wheeled utility <VEHICLE>s > 4 999 kilogram weight load.	NR
13	MORTAR	EEC_ASSETTY_MORTAR	A muzzle-loading cannon for firing shells at low velocities, short ranges and high trajectories.	NR
14	SELF_PROPELLED_ARTILLERY	EEC_ASSETTY_SELF_PROPELLED_ARTILLERY	A self-propelled large-calibre firing weapon that is mounted or manned by a crew; e.g., howitzer, or cannon.	NR
15	SMALL_TRACK_UTILITY_VEHICLE	EEC_ASSETTY_SMALL_TRACK_UTILITY_VEHICLE	Small tracked utility <VEHICLE>s <= 4 999 kilogram weight load.	NR
16	SMALL_WHEEL_UTILITY_VEHICLE	EEC_ASSETTY_SMALL_WHEEL_UTILITY_VEHICLE	Small wheeled utility <VEHICLE>s <= 4 999 kilogram weight load.	NR
17	SUPPORT_EQUIPMENT	EEC_ASSETTY_SUPPORT_EQUIPMENT	Support <VEHICLE>s or <EQUIPMENT>, generic.	NR
18	TOWED_ARTILLERY	EEC_ASSETTY_TOWED_ARTILLERY	A towed large-calibre firing weapon that is mounted or manned by a crew; e.g., an anti-tank gun, howitzer, or cannon.	NR
19	TRAILER	EEC_ASSETTY_TRAILER	Trailer, e.g., cargo, chemical decontaminant, fuel, generator, maintenance equipment, or water.	NR

EDCS Group Labels: ANIMAL, VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ASSOCIATED_TEXT

EDCS Attribute Code: 79

Definition:
Narrative or other textual description associated with an <OBJECT>.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: ABSTRACT_CONCEPT, SURVEY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ASW_CENTROID_PRESENT

EDCS Attribute Code: 80

Definition:
Indication that the centroid of an ASW operating <REGION> exists within the spatial extent of an associated <OBJECT>.

EDCS Attribute Value Data Type: LOGICAL

EDCS Group Labels: MILITARY_SCIENCE

Reference Type: IR

References: [OAML, Wind and Residual Noise Data Base]

EDCS Attribute Symbolic Constant: EAC_ASW_WINGED_AIRCRAFT_TYPE

EDCS Attribute Code: 81

Definition:
The type of an <ASW_WINGED_AIRCRAFT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ASW_P_3_SERIES	EEC_ASWWNGARCRFTY_ASW_P_3_SERIES	The ASW P-3 Orion Series 185/285 Models A, E, W, or C; manufactured by Lockheed-Martin.	IR	[FAS1]
2	NIMROD_SERIES	EEC_ASWWNGARCRFTY_NIMROD_SERIES	The Nimrod Series ASW <AIRCRAFT>; manufactured by British Aerospace Corporation.	IR	[FAS1]

EDCS Group Labels: VEHICLE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_BOUNDARY_LAYER_ALTITUDE

EDCS Attribute Code: 82

Definition:
The altitude of the planetary boundary layer, that layer of the <ATMOSPHERE> bounded on the bottom by the <PLANETARY_SURFACE> and above by the cessation of turbulent interactions with the <PLANETARY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ATMOSPHERE, DEMARCATION, DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_LIQUID_WATER_CONTENT

EDCS Attribute Code: 83

Definition:
The liquid <WATER> content of the <ATMOSPHERE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: VOLUMIC_MASS

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE

EDCS Attribute Code: 84

Definition:
The pressure in an <ATMOSPHERE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_CHANGE

EDCS Attribute Code: 85

Definition:
The quantity of change in the <<ATM_PRESSURE>> over a specified time interval.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE_CHANGE_RATE

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_CHANGE_24_HOUR

EDCS Attribute Code: 86

Definition:
The absolute value of the <<ATM_PRESSURE_CHANGE>> over a twenty-four hour period.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_CHANGE_3_HOUR

EDCS Attribute Code: 87

Definition:
The absolute value of the <<ATM_PRESSURE_CHANGE>> over a three-hour period.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_CHANGE_QUALITY

EDCS Attribute Code: 88

Definition:
The quality of an <<ATM_PRESSURE_CHANGE_TENDENCY>> measurement.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	GOOD	EEC_ATMPRESCHGQUAL_GOOD	The quality of the observation was acceptable.	NR
2	NO_CHECK	EEC_ATMPRESCHGQUAL_NO_CHECK	No check on the quality of the observation was performed.	NR
3	SUSPECT_VALUE	EEC_ATMPRESCHGQUAL_SUSPECT_VALUE	The original observation may be in error.	NR
4	ERR_GOOD_REPLACEMENT	EEC_ATMPRESCHGQUAL_ERR_GOOD_REPLACEMENT	Original value erroneous, replacement good.	NR
5	ERR_SUSPECT_REPLACEMENT	EEC_ATMPRESCHGQUAL_ERR_SUSPECT_REPLACEMENT	Original value erroneous, replacement questionable.	NR
6	ERR_VALUE	EEC_ATMPRESCHGQUAL_ERR_VALUE	Original value erroneous.	NR
7	MISSING_PROBABLY_CORRUPTED	EEC_ATMPRESCHGQUAL_MISSING_PROBABLY_CORRUPTED	Original value missing, probably corrupted.	NR
8	MISSING_SUSPECT_REPLACEMENT	EEC_ATMPRESCHGQUAL_MISSING_SUSPECT_REPLACEMENT	Original value missing, recomputed value suspect.	NR
9	MISSING_VALUE	EEC_ATMPRESCHGQUAL_MISSING_VALUE	Original value missing.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_CHANGE_TENDENCY

EDCS Attribute Code: 89

Definition:
The qualitative atmospheric pressure change (tendency) that occurred over a three-hour period.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	INC_THEN_DEC	EEC_ATMPRESCHGTEND_INC_THEN_DEC	Increasing, then decreasing; with atmospheric pressure the same or higher than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
2	INC_THEN_STEADY	EEC_ATMPRESCHGTEND_INC_THEN_STEADY	Increasing, then steady; or increasing, then increasing more slowly; with atmospheric pressure higher than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
3	INC	EEC_ATMPRESCHGTEND_INC	Increasing (steadily or unsteadily), with atmospheric pressure higher than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
4	CHANGE_TO_INC	EEC_ATMPRESCHGTEND_CHANGE_TO_INC	Decreasing or steady, then increasing; or increasing, then increasing more rapidly; with atmospheric pressure higher than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
5	STEADY_PRESSURE_EQUAL	EEC_ATMPRESCHGTEND_STEADY_PRESSURE_EQUAL	Steady, with atmospheric pressure the same as 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
6	DEC_THEN_INC	EEC_ATMPRESCHGTEND_DEC_THEN_INC	Decreasing, then increasing; with atmospheric pressure the same or lower than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
7	DEC_THEN_STEADY	EEC_ATMPRESCHGTEND_DEC_THEN_STEADY	Decreasing or steady, then increasing; or increasing, then increasing more rapidly; with atmospheric pressure higher than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
8	DEC_PRESSURE_LESS	EEC_ATMPRESCHGTEND_DEC_PRESSURE_LESS	Decreasing (steadily or unsteadily), with atmospheric pressure lower than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]
9	CHANGE_TO_DEC	EEC_ATMPRESCHGTEND_CHANGE_TO_DEC	Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly; with atmospheric pressure lower than 3 hours earlier.	PR	[WMO306, Volume 2, Code Table 0-10-63]

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_MEAN_CLIM

EDCS Attribute Code: 90

Definition:
The mean rate of historical (climatology) <<ATM_PRESSURE>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_MEAN_CLIM_STD_DEV

EDCS Attribute Code: 91

Definition:
The standard deviation of historical (climatology) <<ATM_PRESSURE>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_QUALITY

EDCS Attribute Code: 92

Definition:
The quality of a measurement of <<ATM_PRESSURE>>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	GOOD	EEC_ATMPRESQUAL_GOOD	The quality of the observation was acceptable.	NR
2	NO_CHECK	EEC_ATMPRESQUAL_NO_CHECK	No check on the quality of the observation was performed.	NR
3	SUSPECT_VALUE	EEC_ATMPRESQUAL_SUSPECT_VALUE	The original observation may be in error.	NR
4	ERR_GOOD_REPLACEMENT	EEC_ATMPRESQUAL_ERR_GOOD_REPLACEMENT	Original value erroneous, replacement good.	NR
5	ERR_SUSPECT_REPLACEMENT	EEC_ATMPRESQUAL_ERR_SUSPECT_REPLACEMENT	Original value erroneous, replacement questionable.	NR
6	ERR_VALUE	EEC_ATMPRESQUAL_ERR_VALUE	Original value erroneous.	NR
7	MISSING_PROBABLY_CORRUPTED	EEC_ATMPRESQUAL_MISSING_PROBABLY_CORRUPTED	Original value missing, probably corrupted.	NR
8	MISSING_SUSPECT_REPLACEMENT	EEC_ATMPRESQUAL_MISSING_SUSPECT_REPLACEMENT	Original value missing, recomputed value suspect.	NR
9	MISSING_VALUE	EEC_ATMPRESQUAL_MISSING_VALUE	Original value missing.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_REDUCED

EDCS Attribute Code: 93

Definition:
The <<ATM_PRESSURE>> reduced to MSL using standard procedures.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATM_PRESSURE_REDUCED_CLIM_STD_DEV

EDCS Attribute Code: 94

Definition:
The historical (climatology) standard deviation of <<ATM_PRESSURE_REDUCED>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: ATMOSPHERE

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_ATS_AIRSPACE_CLASS

EDCS Attribute Code: 95

Definition:
The class of an ATS <AIRSPACE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	A	EEC_ATSARSPCCLS_A	Class A: IFR flights only are permitted, all flights are subject to air traffic control service and are separated from each other.	PR	[IAN11, 2.6.1]
2	B	EEC_ATSARSPCCLS_B	Class B: IFR and VFR flights are permitted, all flights are subject to air traffic control service and IFR flights are separated from each other.	PR	[IAN11, 2.6.1]
3	C	EEC_ATSARSPCCLS_C	Class C: IFR and VFR flights are permitted, all flights are subject to air traffic control service and IFR flights are separated from other IFR flights and from VFR flights. VFR flights are separated from IFR flights and receive traffic information in respect of other VFR flights.	PR	[IAN11, 2.6.1]
4	D	EEC_ATSARSPCCLS_D	Class D: IFR and VFR flights are permitted and all flights are subject to air traffic control seervice, IFR flights are separated from other IFR flights and receive traffic information in respect of other VFR flights. VFR flights receive traffic information in respect of all other flights.	PR	[IAN11, 2.6.1]
5	E	EEC_ATSARSPCCLS_E	Class E: IFR and VFR flights are permitted, IFR flights are subject to air traffic control service and are separated from other IFR flights. All flights receive traffic information as far as is practical.	PR	[IAN11, 2.6.1]
6	F	EEC_ATSARSPCCLS_F	Class F: IFR and VFR flights are permitted, all participating IFR flights receive an air traffic advisory service and all flights receive flight information service if requested.	PR	[IAN11, 2.6.1]
7	G	EEC_ATSARSPCCLS_G	Class G: IFR and VFR flights are permitted and receive flight information service if requested.	PR	[IAN11, 2.6.1]
8	SPECIAL_USE	EEC_ATSARSPCCLS_SPECIAL_USE	Special use.	NR

EDCS Group Labels: AIR_TRNSP

Reference Type: PR

References: [IAN11, 2.6.1]

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_COMPONENT_LENGTH

EDCS Attribute Code: 96

Definition:
The length of an <ATS_ROUTE_COMPONENT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_COMPONENT_LEVEL

EDCS Attribute Code: 97

Definition:
The level of an <ATS_ROUTE_COMPONENT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BOTH_FL_195	EEC_ATSRTECMPTLEV_BOTH_FL_195	Both low and high level FL 195 (nominally 5 950 metres, or 19 500 feet, although the actual flight level based on the standard atmosphere is slightly higher).	NR
2	HIGH_FL_195	EEC_ATSRTECMPTLEV_HIGH_FL_195	High level FL 195 (nominally 5 950 metres, or 19 500 feet, although the actual flight level based on the standard atmosphere is slightly higher).	NR
3	LOW_FL_195	EEC_ATSRTECMPTLEV_LOW_FL_195	Low level FL 195 (nominally 5 950 metres, or 19 500 feet, although the actual flight level based on the standard atmosphere is slightly higher).	NR
4	NIGHT_LOW_FLYING	EEC_ATSRTECMPTLEV_NIGHT_LOW_FLYING	Night, low flying.	NR

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_COMPONENT_WIDTH

EDCS Attribute Code: 98

Definition:
The width of an <ATS_ROUTE_COMPONENT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_LOWEST_ALTITUDE

EDCS Attribute Code: 99

Definition:
The lowest published altitude in effect along a <ATS_ROUTE_COMPONENT> (e.g., between radio fixes on VOR airways, or off fairway routes), which meets obstacle clearance requirements for the entire <ATS_ROUTE_COMPONENT> and which assures an acceptable navigation signal.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: AIR_TRNSP, DIMENSION, POSITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_OPPOSITE_FLOW_DIRECTION

EDCS Attribute Code: 100

Definition:
The direction opposite to the flow of an <ATS_ROUTE_COMPONENT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: AIR_TRNSP, ANGULAR_MEASURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_ROUTE_TYPE

EDCS Attribute Code: 101

Definition:
The type of an <ATS_ROUTE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ADVISORY	EEC_ATSRTETY_ADVISORY	A route or area in which ATS provides advice and information for the safe conduct of flight and <AIRCRAFT> movement; advisory.	IR	[IAN11]
2	AIR_ROUTE	EEC_ATSRTETY_AIR_ROUTE	A corridor pre-established by ATS for the safe conduct of flight and <AIRCRAFT> movement; air route.	IR	[IAN11]
3	AIRWAY	EEC_ATSRTETY_AIRWAY	A control area or portion thereof established in the form of a corridor equipped with radio <AID_TO_NAVIGATION>s; airway.	IR	[IAN11]
4	AREA_NAVIGATION	EEC_ATSRTETY_AREA_NAVIGATION	A method of navigation that permits <AIRCRAFT> operation on any desired course within the coverage of station-referenced navigation signals or within the limits of a self-contained system capability; assigned by ATS upon pilot request; area navigation.	IR	[IAN11]
5	ATLANTIC	EEC_ATSRTETY_ATLANTIC	An <AIRSPACE> over the Atlantic Ocean which requires specific aircraft filing and navigation procedures.	IR	[IAN11]
6	BAHAMAS	EEC_ATSRTETY_BAHAMAS	An <AIRSPACE> over the Bahamas which requires specific aircraft filing and navigation procedures.	IR	[IAN11]
7	CANADIAN_CONTROL	EEC_ATSRTETY_CANADIAN_CONTROL	An <AIRSPACE> over Canada (the Canadian Control area) which requires specific aircraft filing and navigation procedures.	IR	[IAN11]
8	CORRIDOR	EEC_ATSRTETY_CORRIDOR	A corridor, or route, between two <AID_TO_NAVIGATION>s which includes the centerline of the corridor and the airspace up to 7,5 kilometres either side of the centerline and the altitudes between 350 and 7 500 metres above MSL.	IR	[IAN11]
9	DIRECT	EEC_ATSRTETY_DIRECT	An air route on a straight line between two identified <AID_TO_NAVIGATION>s; direct.	IR	[IAN11]
10	HELICOPTER	EEC_ATSRTETY_HELICOPTER	An air route for helicopter use.	IR	[IAN11]
11	HELICOPTER_MULTI_ENGINE	EEC_ATSRTETY_HELICOPTER_MULTI_ENGINE	An air route which does not allow traversal by single-engine helicopters.	IR	[IAN11]
12	JET	EEC_ATSRTETY_JET	A high-altitude airway marked by longer-range transmitting VOR receivers which enable it to be navigated by high-speed jet-powered <AIRCRAFT>.	IR	[IAN11]
13	LOW_FLYING	EEC_ATSRTETY_LOW_FLYING	A route assigned by ATS to a low-flying <AIRCRAFT>.	IR	[IAN11]
14	MILITARY	EEC_ATSRTETY_MILITARY	An <AIRSPACE> reserved for military operations.	IR	[IAN11]
15	NORTH_AMERICA	EEC_ATSRTETY_NORTH_AMERICA	An <AIRSPACE> over the North American continent which requires specific <AIRCRAFT> filing and navigation procedures.	IR	[IAN11]
16	OCEANIC	EEC_ATSRTETY_OCEANIC	An <AIRSPACE> over the Pacific Ocean which requires specific <AIRCRAFT> filing and navigation procedures.	IR	[IAN11]
17	PURPLE_AIRWAY	EEC_ATSRTETY_PURPLE_AIRWAY	An air route designated as a "PURPLE AIRWAY" by ATS.	IR	[IAN11]
18	ROYAL_HELICOPTER	EEC_ATSRTETY_ROYAL_HELICOPTER	An air route reserved for use by a helicopter transporting royalty.	IR	[IAN11]
19	ROYAL_LOW_LEVEL	EEC_ATSRTETY_ROYAL_LOW_LEVEL	An air route reserved for low-level flying by an <AIRCRAFT> transporting royalty.	IR	[IAN11]
20	SUBSTITUTE	EEC_ATSRTETY_SUBSTITUTE	A route assigned to pilots when any part of an airway or route is unusable because of <AID_TO_NAVIGATION>s status, consisting of: a. Substitute routes, which are shown on national government charts, b. Routes defined by ATC as specific <AID_TO_NAVIGATION> radials or courses. c. Routes defined by ATC as direct to or between <AID_TO_NAVIGATION>s.	IR	[F7110.65]
21	TACAN	EEC_ATSRTETY_TACAN	An air route used by an <AIRCRAFT>, normally military, possessing TACAN with DME but no VOR navigational system capability.	IR	[IAN11]

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_ATS_USE_TYPE

EDCS Attribute Code: 102

Definition:
The particular use of the designated <AIR_TRAFFIC_SERVICE> <AIRSPACE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AERODROME_CZ	EEC_ATSUSETY_AERODROME_CZ	Aerodrome control zone.	NR
2	AIR_DEFENCE_ADVISORY	EEC_ATSUSETY_AIR_DEFENCE_ADVISORY	Advisory region, air defence.	NR
3	AIR_DEFENCE_IDZ	EEC_ATSUSETY_AIR_DEFENCE_IDZ	Air defence identification zone.	NR
4	AIRPORT_ADVISORY	EEC_ATSUSETY_AIRPORT_ADVISORY	Airport advisory region.	NR
5	AIRPORT_RADAR_SERVICE	EEC_ATSUSETY_AIRPORT_RADAR_SERVICE	Airport radar service region.	NR
6	AIRPORT_TRAFFIC	EEC_ATSUSETY_AIRPORT_TRAFFIC	Airport traffic region.	NR
7	ALTIMETER_CHANGE_BOUNDARY	EEC_ATSUSETY_ALTIMETER_CHANGE_BOUNDARY	Altimeter change boundary.	NR
8	AREA_CONTROL	EEC_ATSUSETY_AREA_CONTROL	Area control centre.	NR
9	ARTCC	EEC_ATSUSETY_ARTCC	Air route traffic control centre.	NR
10	ARTCC_SECTOR	EEC_ATSUSETY_ARTCC_SECTOR	Air route traffic control centre sector or discrete.	NR
11	BERLIN_CZ	EEC_ATSUSETY_BERLIN_CZ	Berlin control zone.	NR
12	BUFFER_ZONE	EEC_ATSUSETY_BUFFER_ZONE	Buffer zone.	NR
13	CANADIAN_AIR_DEFENCE_IDZ	EEC_ATSUSETY_CANADIAN_AIR_DEFENCE_IDZ	Canadian air defence identification zone.	NR
14	CLASS_C_CZ	EEC_ATSUSETY_CLASS_C_CZ	Class C control zone.	NR
15	CONTINENTAL_CONTROL	EEC_ATSUSETY_CONTINENTAL_CONTROL	Continental control region.	NR
16	CONTROL	EEC_ATSUSETY_CONTROL	Control region.	NR
17	CONTROL_AIRSPACE	EEC_ATSUSETY_CONTROL_AIRSPACE	Controlled airspace.	NR
18	CONTROL_VFR	EEC_ATSUSETY_CONTROL_VFR	Controlled, visual flight rules.	NR
19	CZ	EEC_ATSUSETY_CZ	Control zone.	NR
20	CZ_NO_FIXED_WING	EEC_ATSUSETY_CZ_NO_FIXED_WING	Control zone - no fixed wing special visual flight rules permitted.	NR
21	DEW_IDZ	EEC_ATSUSETY_DEW_IDZ	DEW identification zone.	NR
22	DEW_EAST_MLTRY_IDZ	EEC_ATSUSETY_DEW_EAST_MLTRY_IDZ	DEW East military identification zone.	NR
23	FLIGHT_INR	EEC_ATSUSETY_FLIGHT_INR	Flight information region.	NR
24	FRENCH_PERIPHERAL_IDZ	EEC_ATSUSETY_FRENCH_PERIPHERAL_IDZ	French peripheral identification zone.	NR
25	ICAO	EEC_ATSUSETY_ICAO	ICAO.	NR
26	KOREA_LIMITED_IDZ	EEC_ATSUSETY_KOREA_LIMITED_IDZ	Korea limited identification zone.	NR
27	LOW_FLYING	EEC_ATSUSETY_LOW_FLYING	Low flying region.	NR
28	MIDCANADA_IDZ	EEC_ATSUSETY_MIDCANADA_IDZ	Mid-Canada identification zone.	NR
29	MLTRY_AERODROME_TZ	EEC_ATSUSETY_MLTRY_AERODROME_TZ	Military aerodrome traffic zone.	NR
30	MLTRY_CLIMB_CORRIDOR	EEC_ATSUSETY_MLTRY_CLIMB_CORRIDOR	Military climb corridor.	NR
31	MLTRY_COMMON_REGION_CONTROL	EEC_ATSUSETY_MLTRY_COMMON_REGION_CONTROL	Military common region control.	NR
32	MLTRY_TERMINAL_CZ	EEC_ATSUSETY_MLTRY_TERMINAL_CZ	Military terminal control zone.	NR
33	MLTRY_UPPER_CZ	EEC_ATSUSETY_MLTRY_UPPER_CZ	Military upper control zone.	NR
34	MOUNTAINOUS	EEC_ATSUSETY_MOUNTAINOUS	Designated mountainous region.	NR
35	OCA_FAA	EEC_ATSUSETY_OCA_FAA	Oceanic control area - US FAA.	NR
36	OCA_NON_FAA	EEC_ATSUSETY_OCA_NON_FAA	Oceanic control area - non US FAA.	NR
37	POSITIVE_CONTROL_REGION	EEC_ATSUSETY_POSITIVE_CONTROL_REGION	Positive control region.	NR
38	POSITIVE_CZ	EEC_ATSUSETY_POSITIVE_CZ	Positive control zone.	NR
39	RADAR	EEC_ATSUSETY_RADAR	Radar region.	NR
40	RADAR_SECTOR	EEC_ATSUSETY_RADAR_SECTOR	Radar region sector boundary.	NR
41	REFUELING	EEC_ATSUSETY_REFUELING	A region used for refueling aircraft during flight.	NR
42	REFUELING_OR_TRACK	EEC_ATSUSETY_REFUELING_OR_TRACK	Refuelling or track region. May be further delineated specifically as EE REFUELING and EE TRACK.	NR
43	SECURITY_IDZ	EEC_ATSUSETY_SECURITY_IDZ	Security identification zone.	NR
44	SPECIAL_AIR_TRAFFIC_RULES	EEC_ATSUSETY_SPECIAL_AIR_TRAFFIC_RULES	Special air traffic rules region.	NR
45	SPECIAL_OPERATIONS	EEC_ATSUSETY_SPECIAL_OPERATIONS	Special operations region.	NR
46	SPECIAL_RULES_ZONE	EEC_ATSUSETY_SPECIAL_RULES_ZONE	Special rules zone.	NR
47	SPECIAL_USE_AIRSPACE	EEC_ATSUSETY_SPECIAL_USE_AIRSPACE	Special use airspace exclusions.	NR
48	SUB_FLIGHT_INR	EEC_ATSUSETY_SUB_FLIGHT_INR	Sub-flight information region.	NR
49	TERMINAL_CONTROL	EEC_ATSUSETY_TERMINAL_CONTROL	Terminal control region.	NR
50	TERMINAL_RADAR_SERVICE	EEC_ATSUSETY_TERMINAL_RADAR_SERVICE	Terminal radar service region.	NR
51	TRACK	EEC_ATSUSETY_TRACK	The course used while air refueling an <AIRCRAFT>.	NR
52	TRAFFIC_INZ	EEC_ATSUSETY_TRAFFIC_INZ	Traffic information zone.	NR
53	TRANSITION	EEC_ATSUSETY_TRANSITION	Transition region; for chart use only.	NR
54	UNCONTROLLED	EEC_ATSUSETY_UNCONTROLLED	Uncontrolled airspace.	NR
55	UPPER_ADVISORY_REGION	EEC_ATSUSETY_UPPER_ADVISORY_REGION	Upper advisory region.	NR
56	UPPER_AIRSPACE_CENTRE	EEC_ATSUSETY_UPPER_AIRSPACE_CENTRE	Upper airspace centres, operational air traffic.	NR
57	UPPER_CONTROL_REGION	EEC_ATSUSETY_UPPER_CONTROL_REGION	Upper control region.	NR
58	UPPER_FLIGHT_INR	EEC_ATSUSETY_UPPER_FLIGHT_INR	Upper flight information region.	NR
59	ZONE_OF_INTERIOR	EEC_ATSUSETY_ZONE_OF_INTERIOR	Zone of interior.	NR

EDCS Group Labels: AIR_TRNSP