EDCS Attribute Symbolic Constant: EAC_OBJECT_ASPECT

EDCS Attribute Code: 885

Definition:
The portion or aspect of an <OBJECT> in relation to the <TERRAIN>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	BODY	EEC_OBJASP_BODY	Body.	IR	[CATT]
2	CUT	EEC_OBJASP_CUT	<MATERIAL>s remaining after partial removal to depress the base of a <OBJECT> below the level of the surrounding <LAND>; cut.	IR	[CATT]
3	CUT_TRANSITION	EEC_OBJASP_CUT_TRANSITION	<<<CUT>>> transition.	IR	[CATT]
4	EMBANK	EEC_OBJASP_EMBANK	<MATERIAL> used to elevate the base of an <OBJECT> above the level of the surrounding land; embankment.	IR	[CATT]
5	EMBANK_OR_CUT_TRANSITION	EEC_OBJASP_EMBANK_OR_CUT_TRANSITION	<<<EMBANK>>>s and/or <<<CUT>>>s transition <REGION>s.	IR	[CATT]
6	EMBANK_TRANSITION	EEC_OBJASP_EMBANK_TRANSITION	<<<EMBANK>>> transition.	IR	[CATT]
7	LEFT_CUT	EEC_OBJASP_LEFT_CUT	<<<CUT>>> located to the left side of the <DIRECTION> of travel.	IR	[CATT]
8	LEFT_CUT_TRANSITION	EEC_OBJASP_LEFT_CUT_TRANSITION	<<<LEFT_CUT>>> transition.	IR	[CATT]
9	LEFT_EMBANK	EEC_OBJASP_LEFT_EMBANK	<<<EMBANK>>> located to the left side of the <DIRECTION> of travel or flow.	IR	[CATT]
10	LEFT_EMBANK_OR_CUT_TRANSITION	EEC_OBJASP_LEFT_EMBANK_OR_CUT_TRANSITION	<<<LEFT_EMBANK>>> and/or <<<LEFT_CUT>>> transition <REGION>s.	IR	[CATT]
11	LEFT_EMBANK_TRANSITION	EEC_OBJASP_LEFT_EMBANK_TRANSITION	<<<LEFT_EMBANK>>> transition.	IR	[CATT]
12	LEFT_SHOULDER	EEC_OBJASP_LEFT_SHOULDER	<<<SHOULDER>>> located to the left side of the <DIRECTION> of travel or flow.	IR	[CATT]
13	RIGHT_CUT	EEC_OBJASP_RIGHT_CUT	<<<CUT>>> located to the right side of the <DIRECTION> of travel or flow.	IR	[CATT]
14	RIGHT_CUT_TRANSITION	EEC_OBJASP_RIGHT_CUT_TRANSITION	<<<RIGHT_CUT>>> transition.	IR	[CATT]
15	RIGHT_EMBANK	EEC_OBJASP_RIGHT_EMBANK	<<<EMBANK>>> located to the right side of the <DIRECTION> of travel or flow.	IR	[CATT]
16	RIGHT_EMBANK_OR_CUT_TRANSITION	EEC_OBJASP_RIGHT_EMBANK_OR_CUT_TRANSITION	<<<RIGHT_EMBANK>>> and/or <<<RIGHT_CUT>>> transition <REGION>s.	IR	[CATT]
17	RIGHT_EMBANK_TRANSITION	EEC_OBJASP_RIGHT_EMBANK_TRANSITION	<<<RIGHT_EMBANK>>> transition.	IR	[CATT]
18	RIGHT_SHOULDER	EEC_OBJASP_RIGHT_SHOULDER	<<<SHOULDER>>> located to the right side of the <DIRECTION> of travel or flow.	IR	[CATT]
19	SHOULDER	EEC_OBJASP_SHOULDER	Stopping strip along a travel way, typically gravel covered; shoulder.	IR	[CATT]

EDCS Group Labels: LOCATION, PHYSIOGRAPHY

Reference Type: IR

Reference: [CATT]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_BASE_HEIGHT

EDCS Attribute Code: 886

Definition:
The <<HEIGHT_AGL>> of the base (lowest point) of an <OBJECT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ABSTRACT_OBJECT, LOCATION

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_BEARING_GEODETIC

EDCS Attribute Code: 887

Definition:
The <<GEODETIC_AZIMUTH>> of the bearing of an <OBJECT> from an observer.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ABSTRACT_OBJECT, ANGULAR_MEASURE

Reference Type: IR

Reference: [FACC, Annex B: BRG]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_CONFIGURATION

EDCS Attribute Code: 888

Definition:
The type of configuration of an <OBJECT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	DISPERSED	EEC_OBJCFG_DISPERSED	The <OBJECT> consists of multiple <COMPONENT>s that are dispersed.	IR	[FACC, Annex B, FCO:1]
2	DIVIDED_DIFFERENT_WIDTHS	EEC_OBJCFG_DIVIDED_DIFFERENT_WIDTHS	The <OBJECT> is divided into multiple <COMPONENT>s that have different <<WIDTH>>s.	IR	[FACC, Annex B, FCO:6]
3	DIVIDED_SAME_WIDTH	EEC_OBJCFG_DIVIDED_SAME_WIDTH	The <OBJECT> is divided into multiple <COMPONENT>s that have the same <<WIDTH>>.	IR	[FACC, Annex B, FCO:5]
4	DOUBLE	EEC_OBJCFG_DOUBLE	Double.	IR	[FACC, Annex B, FCO:11]
5	INCLINED	EEC_OBJCFG_INCLINED	The <OBJECT> is inclined from either the horizontal or the vertical.	IR	[FACC, Annex B, FCO:4]
6	JUXTAPOSITION	EEC_OBJCFG_JUXTAPOSITION	The <OBJECT> consists of multiple <COMPONENT>s that are are juxtaposed with respect to one another.	IR	[FACC, Annex B, FCO:12]
7	NON_DIVIDED	EEC_OBJCFG_NON_DIVIDED	The <OBJECT> is not divided into distinct, spatial separated <COMPONENT>s.	IR	[FACC, Annex B, FCO:7]
8	SINGLE	EEC_OBJCFG_SINGLE	Single.	IR	[FACC, Annex B, FCO:3]

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: IR

Reference: [FACC, Annex B: FCO]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_CONFIGURATION_QUALITY

EDCS Attribute Code: 889

Definition:
An indication of whether the <OBJECT> has a recognizable <<OBJECT_CONFIGURATION>>.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: IR

Reference: [FACC, Annex B, FCO:8 and 9]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_ELEMENT_GEODETIC_ORIENTATION

EDCS Attribute Code: 890

Definition:
The <<GEODETIC_AZIMUTH>> of the predominant linear pattern of the elements within an <OBJECT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ABSTRACT_OBJECT, ANGULAR_MEASURE, LOCATION

Reference Type: IR

Reference: [FACC, Annex B: FEO]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_IDENTIFICATION_BASE_NUMBER

EDCS Attribute Code: 891

Definition:
The base number used within a specific geographic <REGION> to assign identification numbers to new <OBJECT>s.

EDCS Attribute Value Data Type: INTEGER

EDCS Group Labels: IDENTIFICATION, SURVEY

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_LABEL

EDCS Attribute Code: 892

Definition:
The label applied to an <OBJECT>.

EDCS Attribute Value Data Type: STRING

EDCS Group Labels: ABSTRACT_OBJECT, IDENTIFICATION

Reference Type: IR

Reference: [FACC, Annex B: LAB]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_ORDINAL_RANK

EDCS Attribute Code: 893

Definition:
The relative importance of an <OBJECT> as an ordinal rank.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	FIRST	EEC_OBJORDRANK_FIRST	Primary or first order.	IR	[FACC, Annex B, ORD:1]
2	SECOND	EEC_OBJORDRANK_SECOND	Secondary or second order.	IR	[FACC, Annex B, ORD:2]
3	THIRD	EEC_OBJORDRANK_THIRD	Tertiary or third order.	IR	[FACC, Annex B, ORD:3]
4	FOURTH	EEC_OBJORDRANK_FOURTH	Quaternary or fourth order.	IR	[FACC, Annex B, ORD:4]
5	FIFTH	EEC_OBJORDRANK_FIFTH	Quintary or fifth order.	IR	[FACC, Annex B, ORD:5]

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: IR

Reference: [FACC, Annex B: ORD]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_ORIENTATION_WRT_VERTICAL

EDCS Attribute Code: 894

Definition:
The orientation of the usual axis of an <OBJECT> with respect to the vertical <DIRECTION>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	HORIZONTAL	EEC_OBJORNTWRTVERT_HORIZONTAL	Perpendicular to the vertical.	IR	[FACC, Annex B, FVO:5]
2	INVERTED	EEC_OBJORNTWRTVERT_INVERTED	Inverted.	IR	[FACC, Annex B, FVO:4]
3	LEANING	EEC_OBJORNTWRTVERT_LEANING	Leaning.	IR	[FACC, Annex B, FVO:3]
4	ON_SIDE	EEC_OBJORNTWRTVERT_ON_SIDE	On side.	IR	[FACC, Annex B, FVO:2]
5	UPRIGHT	EEC_OBJORNTWRTVERT_UPRIGHT	Upright.	IR	[FACC, Annex B, FVO:1]

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: IR

Reference: [FACC, Annex B: FVO]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_POLYGONAL_FACE_SHAPE

EDCS Attribute Code: 895

Definition:
The shape of the polygon associated with a <NON_EMPTY_SET> of <POLYGONAL_FACE>s of an <OBJECT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	EQUILATERAL_TRIANGLE	EEC_OBJPOLYFCSHAP_EQUILATERAL_TRIANGLE	Equilateral triangle.	IR	[CATT]
2	HEXAGON	EEC_OBJPOLYFCSHAP_HEXAGON	Hexagon.	IR	[CATT]
3	OCTAGON	EEC_OBJPOLYFCSHAP_OCTAGON	Octagon.	IR	[CATT]
4	PENTAGON	EEC_OBJPOLYFCSHAP_PENTAGON	Pentagon.	IR	[CATT]
5	RECTANGLE	EEC_OBJPOLYFCSHAP_RECTANGLE	Rectangle.	IR	[CATT]
6	RIGHT_ISOSCELES_TRIANGLE	EEC_OBJPOLYFCSHAP_RIGHT_ISOSCELES_TRIANGLE	Right isosceles triangle.	IR	[CATT]
7	RIGHT_TRIANGLE	EEC_OBJPOLYFCSHAP_RIGHT_TRIANGLE	Right triangle.	IR	[CATT]
8	SQUARE	EEC_OBJPOLYFCSHAP_SQUARE	Square.	IR	[CATT]
9	TRIANGLE	EEC_OBJPOLYFCSHAP_TRIANGLE	Triangle.	IR	[CATT]

EDCS Group Labels: ALGORITHM_RELATED

Reference Type: IR

Reference: [CATT]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_RATE

EDCS Attribute Code: 896

Definition:
A rate associated with an <OBJECT>. The value is formatted in a Basic Latin string. The string contains a number, followed by a unit enclosed in parenthesis ("( )"), followed by a unit qualifier enclosed in square brackets ("[ ]"). EXAMPLE "100(cars)[per hour]" associated with a <BRIDGE> as the rate at which cars cross the <BRIDGE>.

EDCS Attribute Value Data Type: CONSTRAINED_STRING

EDCS Group Labels: ABSTRACT_OBJECT, RATE_OR_RATIO

Reference Type: IR

Reference: [FACC, Annex B: FTR]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_SET_TYPE

EDCS Attribute Code: 897

Definition:
The type of an <OBJECT_SET>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	AERONAUTICAL	EEC_OBJSETTY_AERONAUTICAL	Related to <AIRCRAFT>, <AERODROME>s, and other aeronautical activities.	IR	[SCTDS, 4, "Airport or Aeronautical"]
2	AERONAUTICAL_OBSTRUCTION	EEC_OBJSETTY_AERONAUTICAL_OBSTRUCTION	Vertical obstructions to aeronautical navigation.	IR	[SCTDS, 4, "Aeronautical Obstructions"]
3	AID_TO_NAVIGATION	EEC_OBJSETTY_AID_TO_NAVIGATION	Related to <AID_TO_NAVIGATION>s.	IR	[SCTDS, 4, "Aids to Navigation"]
4	AIRSPACE	EEC_OBJSETTY_AIRSPACE	Related to <AIRSPACE>s.	IR	[SCTDS, 4, "Airspace"]
5	ATS_ROUTE	EEC_OBJSETTY_ATS_ROUTE	Related to <ATS_ROUTE>s.	IR	[SCTDS, 4, "Air Traffic Service Routes"]
6	BEACH	EEC_OBJSETTY_BEACH	Related to <BEACH>s.	IR	[SCTDS, 4, "Beach"]
7	BOUNDARY	EEC_OBJSETTY_BOUNDARY	Related to political or geographic <BOUNDARY>s.	IR	[SCTDS, 4, "Boundaries"]
8	COASTLINE	EEC_OBJSETTY_COASTLINE	Related to <COASTLINE>s, international <BOUNDARY>s, and major <MARINE_PORT>s.	IR	[SCTDS, 4, "Coastline or Countries"]
9	CULTURAL_LANDMARK	EEC_OBJSETTY_CULTURAL_LANDMARK	Related to cultural landmarks.	IR	[SCTDS, 4, "Cultural Landmarks"]
10	DATA_QUALITY	EEC_OBJSETTY_DATA_QUALITY	Related to <DATA_QUALITY_BOUNDARY>s and <DATA_QUALITY_REGION>s.	IR	[SCTDS, 4, "Data Quality"]
11	DATABASE_BOUNDARY	EEC_OBJSETTY_DATABASE_BOUNDARY	Related to the <BOUNDARY>s of data libraries and databases.	IR	[SCTDS, 4, "Database Reference"]
12	DEMARCATION	EEC_OBJSETTY_DEMARCATION	Related to <LINE>s and <REGION>s of demarcation, which have been defined for administrative, political, military, or other purposes.	IR	[SCTDS, 4, "Coastline or Boundaries"]
13	ELEVATION	EEC_OBJSETTY_ELEVATION	Related to the relief or <<ELEVATION>> of the <TERRAIN>.	IR	[SCTDS, 4, "Elevation"]
14	FIXED_UNDERWATER_OBJECT	EEC_OBJSETTY_FIXED_UNDERWATER_OBJECT	Related to fixed <UNDERWATER_OBJECT>s.	IR	[SCTDS, 4, "Non-submarine Contacts"]
15	GROUND_OBSTACLE	EEC_OBJSETTY_GROUND_OBSTACLE	<OBJECT>s on, or in, the <TERRAIN> that act as <TERRAIN_OBSTACLE>s to the movement of <GROUND_VEHICLE>s.	IR	[SCTDS, 4, "Ground Obstacle"]
16	HYDRO	EEC_OBJSETTY_HYDRO	Hydrographic <OBJECT>s, including <WATERBODY_FLOOR> characteristics, of significance to marine navigation.	IR	[SCTDS, 4, "Hydrography"]
17	HYDRO_AID_TO_NAVIGATION	EEC_OBJSETTY_HYDRO_AID_TO_NAVIGATION	Related to <MARINE_AID_TO_NAVIGATION>s.	IR	[SCTDS, 4, "Hydrographic Aids to Navigation"]
18	HYDRO_DANGER	EEC_OBJSETTY_HYDRO_DANGER	Offshore hydrographic<OBJECT>s, generally underwater, which constitute a danger to the movement of <VESSEL>s.	IR	[SCTDS, 4, "Hydrographic Dangers"]
19	HYDRO_LIMITS	EEC_OBJSETTY_HYDRO_LIMITS	<LINE>s and <REGION>s of demarcation that have been defined for the purpose of controlling marine traffic; hydrographic limits.	IR	[SCTDS, 4, "Hydrographic Limits"]
20	HYPSOGRAPHY	EEC_OBJSETTY_HYPSOGRAPHY	Related to the <TERRAIN> that directly depict <<TERRAIN_ELEVATION>> information, including <CONTOUR>s and <SPOT_ELEVATION>s; relief or hypsography.	IR	[SCTDS, 4, "Relief or Hypsography"]
21	INDUSTRY	EEC_OBJSETTY_INDUSTRY	Man-made and related to the commercial production and sale of goods and services.	IR	[SCTDS, 4, "Industry"]
22	INLAND_WATER	EEC_OBJSETTY_INLAND_WATER	Related to <INLAND_WATER> and associated <STRUCTURE>s.	IR	[SCTDS, 4, "Inland Water or Surface Drainage"]
23	LAND_COVER	EEC_OBJSETTY_LAND_COVER	Related to the <TERRAIN>, including agricultural and extraction activities, and related <SURFACE> characteristics; land use or cover.	IR	[SCTDS, 4, "Land Cover"]
24	MARINE_ENVIRONMENT	EEC_OBJSETTY_MARINE_ENVIRONMENT	Environmental characteristics relating to <WATERBODY_CURRENT>s, <TIDE>s, and anomalies of significance to marine navigation; marine limit.	IR	[SCTDS, 4, "Maritime Environment"]
25	MARINE_LIMIT	EEC_OBJSETTY_MARINE_LIMIT	<BOUNDARY>s of <WATERBODY>s of significance to marine operations.	IR	[SCTDS, 4, "Maritime Limits"]
26	MARINE_NAVIGATION	EEC_OBJSETTY_MARINE_NAVIGATION	Topographic and hydrographic <OBJECT>s including <SHORELINE>s, <ISLAND>s and <BOUNDARY>s of significance to marine navigation.	IR	[SCTDS, 4, "Earth Cover Maritime"]
27	MARINE_OBSTRUCTION	EEC_OBJSETTY_MARINE_OBSTRUCTION	Related to wrecks, offshore installations and obstructions of significance to marine navigation.	IR	[SCTDS, 4, "Maritime Obstructions"]
28	MARINE_OVERVIEW	EEC_OBJSETTY_MARINE_OVERVIEW	Provide a generalized representation of a <MARINE_REGION>; marine overview.	IR	[SCTDS, 4, "Ocean"]
29	MARINE_SHORE	EEC_OBJSETTY_MARINE_SHORE	Related to the <SHORE>, including <GLACIER>s, <TREE>s, <SWAMP>s and <MARSH>s of significance to marine navigation.	IR	[SCTDS, 4, "Land Cover Maritime"]
30	MILITARY_AIRSPACE	EEC_OBJSETTY_MILITARY_AIRSPACE	Vertical and lateral defined <AIRSPACE>s established for conducting military training and aerial refuelling.	IR	[SCTDS, 4, "Military Training and Refuel Routes"]
31	MILITARY_STRUCTURE	EEC_OBJSETTY_MILITARY_STRUCTURE	Related to <STRUCTURE>s originally built for defensive purposes, although not necessarily still in use for such purposes; military structure.	IR	[SCTDS, 4, "Military Structures"]
32	OCEAN_ENVIRONMENT	EEC_OBJSETTY_OCEAN_ENVIRONMENT	Describing the physical characteristics of the <OCEAN> (and littoral) volume and floor.	IR	[SCTDS, 4, "Ocean Environment"]
33	OCEAN_FLOOR	EEC_OBJSETTY_OCEAN_FLOOR	Related to the <OCEAN_FLOOR> and <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>s.	IR	[SCTDS, 4, "Bottom Physiography"]
34	OVERVIEW	EEC_OBJSETTY_OVERVIEW	Providing a generalized representation of a <REGION>; overview.	IR	[SCTDS, 4, "Library Reference"]
35	PHYSIOGRAPHY	EEC_OBJSETTY_PHYSIOGRAPHY	Natural, exclusive of <INLAND_WATER>s, and comprising or laying upon the <TERRAIN> and its macro and micro relief; physiography.	IR	[SCTDS, 4, "Physiography"]
36	PLACE_NAME	EEC_OBJSETTY_PLACE_NAME	Identifying significant named <LOCATION>s.	IR	[SCTDS, 4, "Place Names"]
37	PLANETARY_SCIENCE	EEC_OBJSETTY_PLANETARY_SCIENCE	Related to the physical processes and phenomena occurring in a <PLANET> and its vicinity; planetary science.	IR	[SCTDS, 4, "Geophysical"]
38	POLITICAL_ENTITY	EEC_OBJSETTY_POLITICAL_ENTITY	Identifying political entities and their <BOUNDARY>s.	IR	[SCTDS, 4, "Political Entities"]
39	POPULATION	EEC_OBJSETTY_POPULATION	Man-made and used to house, employ, administrate, provide medical care, and entertain the populace of a <REGION>; population.	IR	[SCTDS, 4, "Population"]
40	PORT_AND_HARBOUR	EEC_OBJSETTY_PORT_AND_HARBOUR	Related to <MARINE_PORT>s and <HARBOUR>s, including their associated anchorage, docking and related cultural <FACILITY>s.	IR	[SCTDS, 4, "Ports and Harbors"]
41	RAILWAY	EEC_OBJSETTY_RAILWAY	Related to <RAILWAY>s.	IR	[SCTDS, 4, "Railroads"]
42	ROAD	EEC_OBJSETTY_ROAD	Related to <ROAD>s.	IR	[SCTDS, 4, "Roads"]
43	SHORE_STRUCTURE	EEC_OBJSETTY_SHORE_STRUCTURE	Hydrographic <OBJECT>s including <BREAKWATER>s, <PIER>s and <SHORE_PROTECTION_STRUCTURE>s of significance to marine navigation.	IR	[SCTDS, 4, "Port Facilities"]
44	TERMINAL_PROCEDURE	EEC_OBJSETTY_TERMINAL_PROCEDURE	Related to predetermined <AIRCRAFT> maneuvers in the vicinity of an <AERODROME> to orderly transition <AIRCRAFT> from take-off to the enroute phase of flight, or from the enroute to terminal phase of flight.	IR	[SCTDS, 4, "Terminal Procedures"]
45	TERRAIN_COMPOSITION	EEC_OBJSETTY_TERRAIN_COMPOSITION	Related to the composition of the <TERRAIN>.	IR	[SCTDS, 4, "Soil or Surface Materials"]
46	TERRAIN_CONFIGURATION	EEC_OBJSETTY_TERRAIN_CONFIGURATION	Related to the slope or configuration of the <TERRAIN>.	IR	[SCTDS, 4, "Slope or Surface Configuration"]
47	TERRAIN_TRANSPORTATION_ROUTE	EEC_OBJSETTY_TERRAIN_TRANSPORTATION_ROUTE	Related to <LAND_TRANSPORTATION_ROUTE>s.	IR	[SCTDS, 4, "Ground Transportation"]
48	TILE_SET	EEC_OBJSETTY_TILE_SET	Defining a <NON_EMPTY_SET> of rectangular subdivisions of a <REGION>; tiles.	IR	[SCTDS, 4, "Tile Reference"]
49	TRACK_SWATH	EEC_OBJSETTY_TRACK_SWATH	Related to <TRACK_SWATH>s.	IR	[SCTDS, 4, "Survey Information"]
50	UNDERWATER_OBJECT	EEC_OBJSETTY_UNDERWATER_OBJECT	Related to <UNDERWATER_OBJECT>s.	IR	[SCTDS, 4, "Miscellaneous Underwater"]
51	UTILITY	EEC_OBJSETTY_UTILITY	Related to the infrastructure of a <REGION>, and used to deliver utility services into the homes and businesses of the populace. EXAMPLES Electric power, natural gas, oil, water, sewerage, telephone, telecommunications.	IR	[SCTDS, 4, "Utilities"]
52	VEGETATION	EEC_OBJSETTY_VEGETATION	Related to <VEGETATION>.	IR	[SCTDS, 4, "Vegetation"]
53	WATER_BODY_BATHYMETRY	EEC_OBJSETTY_WATER_BODY_BATHYMETRY	Related to relief or <<ELEVATION>> of a <WATERBODY_FLOOR>.	IR	[SCTDS, 4, "Depth Information"]

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_SHADED

EDCS Attribute Code: 898

Definition:
An indication that an <OBJECT> is shaded from direct sunlight or solar loading.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_SKY_IRRADIANCE

EDCS Attribute Code: 899

Definition:
The irradiance from the sky (downwelling) onto an <OBJECT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: IRRADIANCE

EDCS Group Labels: ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_TRANSMITTANCE_FRACTION

EDCS Attribute Code: 900

Definition:
From a <LOCATION> of maximum visibility through an <OBJECT> (for example: a <FENCE> and/or a <TREE_LINE>), the ratio of the number of geometric rays from that <LOCATION> that are within the <REGION> delineated by an <OBJECT> but do not intersect that <OBJECT> to the total number of geometric rays from that <LOCATION> that are within that same <REGION>; transmittance fraction.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_TYPE_DENSITY

EDCS Attribute Code: 901

Definition:
The areal density of <OBJECT>s of a specified type.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: AREAL_ENTITY_DENSITY

EDCS Group Labels: RATE_OR_RATIO

Reference Type: IR

Reference: [FACC, Annex B: DMF]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_VARIANT

EDCS Attribute Code: 902

Definition:
The numeric identifier of a variation of a type of <OBJECT>; object variant. All variations of the type of an <OBJECT> have a common supertype.

EDCS Attribute Value Data Type: INDEX

EDCS Group Labels: ABSTRACT_OBJECT, IDENTIFICATION

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBJECT_VERTICAL_DISPLACEMENT

EDCS Attribute Code: 903

Definition:
The vertical distance measured from the lowest point of the base of an <OBJECT> (downhill side/downstream side) to the prevailing <TERRAIN>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ABSTRACT_OBJECT, LOCATION

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBSCURANT_TYPE

EDCS Attribute Code: 904

Definition:
The type of obscurant present in an <ATMOSPHERE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	ADVECTION_FOG	EEC_OBSCTY_ADVECTION_FOG	<FOG> caused by advection of moist <AIR> over a cold <PLANETARY_SURFACE>; advection fog.	IR	[GMET]
2	BLOWING_SNOW	EEC_OBSCTY_BLOWING_SNOW	<SNOW_GROUND_COVER> lifted over the <PLANETARY_SURFACE> by <WIND> to a height of 2 metres or more; blowing snow.	IR	[GMET]
3	DESERT_HAZE	EEC_OBSCTY_DESERT_HAZE	Desert <<<HAZE>>>.	n/a
4	DESERT_SUMMER	EEC_OBSCTY_DESERT_SUMMER	Desert summer.	n/a
5	DESERT_WINTER	EEC_OBSCTY_DESERT_WINTER	Desert winter.	n/a
6	DUSTSTORM	EEC_OBSCTY_DUSTSTORM	An unusual, frequently severe, condition characterized by strong <WIND>s and <DUST_SUSPENSION> over an extensive <REGION>; a dust storm.	IR	[GMET]
7	HAZE	EEC_OBSCTY_HAZE	Suspension in the <ATMOSPHERE> of extremely small, dry <PARTICLE>s that are invisible to the naked eye but numerous enough to give the sky an opalescent appearance; haze.	PR	[WMO182, H0170]
8	MARINE_HAZE	EEC_OBSCTY_MARINE_HAZE	<<<HAZE>>> consisting of salt <PARTICLE>s; marine haze.	IR	[GMET]
9	NONE_PRESENT	EEC_OBSCTY_NONE_PRESENT	No obscurant conditions are present.	IR	[GMET]
10	RADIATION_FOG	EEC_OBSCTY_RADIATION_FOG	<FOG> produced over a <TRACT> when radiational cooling reduces the <<AIR_TEMPERATURE>> to or below its dew point; radiation fog.	IR	[GMET]
11	RURAL_HAZE	EEC_OBSCTY_RURAL_HAZE	Rural <<<HAZE>>>.	n/a
12	SNOW	EEC_OBSCTY_SNOW	Obscuration caused by the presence of <SNOW_PRECIPITATION> suspended in the <ATMOSPHERE>.	IR	[GMET]
13	TEMPERATE_SUMMER_DAY	EEC_OBSCTY_TEMPERATE_SUMMER_DAY	A condition present during the summer and dependent on the <<TEMPERATURE>> during the day; temperate summer day.	IR	[GMET]
14	TEMPERATE_SUMMER_NIGHT	EEC_OBSCTY_TEMPERATE_SUMMER_NIGHT	A condition present during the summer and dependent on the <<TEMPERATURE>> during the night; temperate summer night.	IR	[GMET]
15	TEMPERATE_WINTER	EEC_OBSCTY_TEMPERATE_WINTER	A condition present during winter season and dependent on the <<TEMPERATURE>> at the time; temperate winter.	IR	[GMET]
16	TROPOSPHERIC	EEC_OBSCTY_TROPOSPHERIC	<<<HAZE>>> in the <TROPOSPHERE>.	IR	[GMET]
17	URBAN_HAZE	EEC_OBSCTY_URBAN_HAZE	<<<HAZE>>> caused by or present in urban environments.	IR	[GMET]

EDCS Group Labels: AIRBORNE_PARTICLE, ATMOSPHERE, LIGHTING_AND_VISIBILITY

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBSERVATION_DECK_PRESENT

EDCS Attribute Code: 905

Definition:
An indication that one or more observation decks are present on an <OBJECT>.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: ABSTRACT_OBJECT

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBSERVATION_PLATFORM_TYPE

EDCS Attribute Code: 906

Definition:
The type of an observation platform.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	AIRCRAFT	EEC_OBVPLATTY_AIRCRAFT	<AIRCRAFT>.	n/a
2	BUOY	EEC_OBVPLATTY_BUOY	<BUOY>.	n/a
3	FIXED_WEATHER_STATION	EEC_OBVPLATTY_FIXED_WEATHER_STATION	Fixed weather station.	n/a
4	GEOPHYSICAL_SATELLITE	EEC_OBVPLATTY_GEOPHYSICAL_SATELLITE	Geophysical <ARTIFICIAL_SATELLITE>.	n/a
5	HUMAN	EEC_OBVPLATTY_HUMAN	<HUMAN>.	n/a
6	METEOROLOGIC_OBSERVATION_TOWER	EEC_OBVPLATTY_METEOROLOGIC_OBSERVATION_TOWER	Meteorological observation <TOWER>.	n/a
7	MOTOR_VEHICLE	EEC_OBVPLATTY_MOTOR_VEHICLE	<MOTOR_VEHICLE>.	n/a
8	VESSEL	EEC_OBVPLATTY_VESSEL	<VESSEL>.	n/a

EDCS Group Labels: ATMOSPHERE

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBSERVATION_TIME_EPOCH_1970

EDCS Attribute Code: 907

Definition:
The time at which an observation was made since the epoch 00:00:00 UTC, January 1, 1970 Common Era.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: TIME

EDCS Group Labels: TIME

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OBSERVED_VISIBILITY_REPORT_TYPE

EDCS Attribute Code: 908

Definition:
The type of report of observed visibility.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	MINIMUM	EEC_OBVVISRPTTY_MINIMUM	Minimum observed visibility during reporting period.	IR	[FMH1, Section 6]
2	PRVL	EEC_OBVVISRPTTY_PRVL	The visibility that is considered representative of visibility conditions at the station; the greatest distance that can be seen throughout at least half the horizon circle, not necessarily continuous; prevailing.	IR	[FMH1, Section 6]
3	PRVL_VAR_HIGH	EEC_OBVVISRPTTY_PRVL_VAR_HIGH	The maximum visibility reported if the prevailing visibility rapidly increases and decreases by 800 metres (approximately 0,5 miles) or more, during the time of observation, and the visibility is less than 4 828 metres (approximately 3 miles); prevailing variable high.	IR	[FMH1, Section 6]
4	PRVL_VAR_LOW	EEC_OBVVISRPTTY_PRVL_VAR_LOW	The minimum visibility reported if the prevailing visibility rapidly increases and decreases by 800 metres (approximately 0,5 miles) or more, during the time of observation, and the visibility is less than 4 828 metres (approximately 3 miles); prevailing variable low.	IR	[FMH1, Section 6]
5	SECTOR	EEC_OBVVISRPTTY_SECTOR	The visibility in a specific <DIRECTION> that represents at least a 45 arc degree sector of the horizon circle.	IR	[FMH1, Section 6]
6	TOWER	EEC_OBVVISRPTTY_TOWER	The prevailing visibility determined from airport traffic <CONTROL_TOWER> at stations that also report surface-level visibility.	IR	[FMH1, Section 6]
7	TOWER_VAR_HIGH	EEC_OBVVISRPTTY_TOWER_VAR_HIGH	The maximum visibility reported if the airport traffic <CONTROL_TOWER> visibility rapidly increases and decreases by 800 metres (approximately 0,5 miles) or more, during the time of observation and the visibility is less than 4 828 metres (approximately 3 miles); control tower prevailing high.	IR	[FMH1, Section 6]
8	TOWER_VAR_LOW	EEC_OBVVISRPTTY_TOWER_VAR_LOW	The minimum visibility reported if the airport traffic <CONTROL_TOWER> visibility rapidly increases and decreases by 800 metres (approximately 0,5 miles) or more, during the time of observation and the visibility is less than 4 828 metres (approximately 3 miles); control tower prevailing low.	IR	[FMH1, Section 6]

EDCS Group Labels: LIGHTING_AND_VISIBILITY

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_EAST_SPEED

EDCS Attribute Code: 909

Definition:
The <<WATER_CURRENT_SPEED>> in an <OCEAN> in the geodetic east-west <DIRECTION>, where east is positive.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [NPDM]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_NORTH_SPEED

EDCS Attribute Code: 910

Definition:
The <<WATER_CURRENT_SPEED>> in an <OCEAN> in the geodetic south-north <DIRECTION>, where north is positive.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [NPDM]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_U

EDCS Attribute Code: 911

Definition:
The U component (geodetic west-east <DIRECTION>, where east is positive) of the <<WATER_CURRENT_SPEED>> in an <OCEAN>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [JMCDM, "CURRENT-PROFILE-ELEMENT u component velocity rate"]

Supplemental References: [NPDM]

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_U_SPEED

EDCS Attribute Code: 912

Definition:
The <<WATER_CURRENT_SPEED>> in an <OCEAN> in the X <DIRECTION> of a projection-based coordinate system, where +X is positive; the "U" speed.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [NPDM]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_V

EDCS Attribute Code: 913

Definition:
The V component (geodetic south-north <DIRECTION>, where north is positive) of the <<WATER_CURRENT_SPEED>> in an <OCEAN>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [JMCDM, "CURRENT-PROFILE-ELEMENT v component velocity rate"]

Supplemental References: [NPDM]

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_V_SPEED

EDCS Attribute Code: 914

Definition:
The <<WATER_CURRENT_SPEED>> in an <OCEAN> in the Y <DIRECTION> of a projection-based coordinate system, where +Y is positive; the "V" speed.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [NPDM]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_CURRENT_W

EDCS Attribute Code: 915

Definition:
The <<WATER_CURRENT_SPEED>> in an <OCEAN> in the down-up <DIRECTION> where up is positive; the ocean current W.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [JMCDM, "CURRENT-PROFILE-ELEMENT w component velocity rate"]

Supplemental References: [NPDM]

EDCS Attribute Symbolic Constant: EAC_OCEAN_ELECTRICAL_CONDUCTIVITY_RATIO

EDCS Attribute Code: 916

Definition:
The ratio of the electrical conductivity of <WATER> in an <OCEAN> to the electrical conductivity of a potassium chloride standard solution, in which the mass fraction of potassium chloride is 32,4356 x 10^-6. Both conductivities are measured at a given <<WATERBODY_TEMPERATURE>> and a pressure of 1 standard atmosphere. A ratio of 1 corresponds to a <<PRACTICAL_SALINITY>> of 35.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: RATE_OR_RATIO, WATERBODY_STATE

Reference Type: IR

Reference: [ISUO, Clause VI]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_FLOOR_REGION_NAME

EDCS Attribute Code: 917

Definition:
The name of a <REGION> of an <OCEAN_FLOOR> that has measurable relief or is delimited by relief. The value is formatted in a Basic Latin string and contains the name for a kind of feature of the <OCEAN_FLOOR> that may be found in [SUFN].

EDCS Attribute Value Data Type: CONSTRAINED_STRING

EDCS Group Labels: IDENTIFICATION, WATERBODY_FLOOR

Reference Type: IR

Reference: [SUFN, page 2-5, "UNDERSEA FEATURE NAME PROPOSAL"]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_FLOOR_REGION_NAME_TYPE

EDCS Attribute Code: 918

Definition:
The type of a named <REGION> of the <OCEAN_FLOOR> that has measurable relief or is delimited by relief.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	ABYSSAL_HILLS	EEC_OCFLRREGNNAMTY_ABYSSAL_HILLS	A <WATERBODY_FLOOR_REGION> of small elevations in an <ABYSS>; abyssal hills.	PR	[SUFN, "abyssal hills"]
2	ABYSSAL_PLAIN	EEC_OCFLRREGNNAMTY_ABYSSAL_PLAIN	A <<<PLAIN>>> in an <ABYSS>; an abyssal plain.	PR	[SUFN, "abyssal plain"]
3	APRON	EEC_OCFLRREGNNAMTY_APRON	A gently dipping <SURFACE>, underlain primarily by <SEDIMENT>, at the base of any steeper slope; an apron.	PR	[SUFN, "apron"]
4	ARCHIPELAGIC_APRON	EEC_OCFLRREGNNAMTY_ARCHIPELAGIC_APRON	A gentle slope with a generally smooth <SURFACE>, characteristically found around groups of <ISLAND>s or <<<SEAMOUNT>>>s; an archipelagic apron.	PR	[SUFN, "archipelagic apron"]
5	BANK	EEC_OCFLRREGNNAMTY_BANK	An elevation over which the <<WATER_DEPTH>> is relatively shallow, but sufficient for safe navigation on the <WATERBODY_SURFACE>; a bank.	PR	[SUFN, "bank"]
6	BANK_SET	EEC_OCFLRREGNNAMTY_BANK_SET	A <NON_EMPTY_SET> of <<<BANK>>>s in close proximity.	IR	[SUFN, "bank"]
7	BASIN	EEC_OCFLRREGNNAMTY_BASIN	<OCEAN_BASIN>.	n/a		[SUFN, "basin"]
8	BORDERLAND	EEC_OCFLRREGNNAMTY_BORDERLAND	A <WATERBODY_FLOOR_REGION> adjacent to a continent, normally occupied by or bordering a <<<CNTNTL_SHELF>>>, and sometimes emerging as <ISLAND>s that are irregular or blocky in plan or profile, with <<WATER_DEPTH>>s well in excess of those typical of a <<<CNTNTL_SHELF>>>; a borderland.	PR	[SUFN, "borderland"]
9	CALDERA	EEC_OCFLRREGNNAMTY_CALDERA	A collapsed or partially-collapsed <<<SEAMOUNT>>>, commonly of annular shape; a caldera.	PR	[SUFN, "caldera"]
10	CANYON	EEC_OCFLRREGNNAMTY_CANYON	<WATERBODY_FLOOR_CANYON>.	n/a		[SUFN, "canyon"]
11	CANYON_SET	EEC_OCFLRREGNNAMTY_CANYON_SET	A <NON_EMPTY_SET> of <<<CANYON>>>s, in close proximity.	IR	[SUFN, "canyon"]
12	CAP	EEC_OCFLRREGNNAMTY_CAP	A localized elevation, over which the <<WATER_DEPTH>> is relatively shallow, but sufficient for safe navigation on the <WATERBODY_SURFACE>; a cap.	n/a
13	CNTNTL_MARGIN	EEC_OCFLRREGNNAMTY_CNTNTL_MARGIN	The <<<ZONE>>>, generally consisting of a <<<CNTNTL_SHELF>>>, <<<CNTNTL_SLOPE>>> and <<<CNTNTL_RISE>>>, separating a continent from the deep <OCEAN_FLOOR> or <<<ABYSSAL_PLAIN>>>; a continental margin. Occasionally a <<<TRENCH>>> may be present in place of a <<<CNTNTL_RISE>>>.	PR	[SUFN, "continental margin"]
14	CNTNTL_RISE	EEC_OCFLRREGNNAMTY_CNTNTL_RISE	A gentle slope rising from the <OCEAN> depths towards the foot of a <<<CNTNTL_SLOPE>>>; a continental rise.	PR	[SUFN, "continental rise"]
15	CNTNTL_SHELF	EEC_OCFLRREGNNAMTY_CNTNTL_SHELF	A <<<SHELF>>> adjacent to a continent.	PR	[SUFN, "continental shelf"]
16	CNTNTL_SLOPE	EEC_OCFLRREGNNAMTY_CNTNTL_SLOPE	The deepening <OCEAN_FLOOR> out from the <<<SHELF_EDGE>>> of a <<<CNTNTL_SHELF>>> to the upper <BOUNDARY> of the <<<CNTNTL_RISE>>>, or the <LOCATION> where there is a general decrease in steepness; a continental slope.	PR	[SUFN, "slope"]
17	DEEP	EEC_OCFLRREGNNAMTY_DEEP	An extensive <REGION> of the <OCEAN_FLOOR> having great <<WATER_DEPTH>>, generally greater than 6 000 metres.	IR	[APDS, "deep"]
18	ESCARPMENT	EEC_OCFLRREGNNAMTY_ESCARPMENT	An elongated, characteristically linear, steep slope separating horizontal or gently sloping sectors of the <OCEAN_FLOOR> in non-shelf <WATERBODY_FLOOR_REGION>s; an escarpment or scarp.	PR	[SUFN, "escarpment"]
19	FAN	EEC_OCFLRREGNNAMTY_FAN	A relatively smooth, fan-like, depositional <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION> normally sloping away from the outer termination of a <<<CANYON>>>, or <SYSTEM> of <<<CANYON>>>s; a fan or cone.	PR	[SUFN, "fan"]
20	FRACTURE_ZONE	EEC_OCFLRREGNNAMTY_FRACTURE_ZONE	An extensive linear <<<ZONE>>> of irregular topography, mountainous or faulted, characterized by steep-sided or asymmetrical <<<RIDGE>>>s, clefts, <<<TROUGH>>>s, or <<<ESCARPMENT>>>s; a fracture zone.	PR	[SUFN, "fracture zone"]
21	GUYOT	EEC_OCFLRREGNNAMTY_GUYOT	A <<<SEAMOUNT>>> having a comparatively smooth flat top; a guyot or tablemount.	PR	[SUFN, "guyot"]
22	GUYOT_SET	EEC_OCFLRREGNNAMTY_GUYOT_SET	A <NON_EMPTY_SET> of <<<GUYOT>>>s in close proximity.	IR	[SUFN, "guyot"]
23	HILL	EEC_OCFLRREGNNAMTY_HILL	An isolated elevation, smaller than a <<<SEAMOUNT>>>; a hill.	PR	[SUFN, "hill"]
24	HILL_SET	EEC_OCFLRREGNNAMTY_HILL_SET	A <NON_EMPTY_SET> of <<<HILL>>>s in close proximity.	IR	[SUFN, "hill"]
25	HOLE	EEC_OCFLRREGNNAMTY_HOLE	A small local <TERRAIN_DEPRESSION>, often steep-sided; a hole.	PR	[SUFN, "hole"]
26	KNOLL	EEC_OCFLRREGNNAMTY_KNOLL	An elevation somewhat smaller than a <<<SEAMOUNT>>> and of rounded profile, characteristically isolated or as a cluster on the <OCEAN_FLOOR>; a knoll.	PR	[SUFN, "knoll"]
27	KNOLL_SET	EEC_OCFLRREGNNAMTY_KNOLL_SET	A <NON_EMPTY_SET> of <<<KNOLL>>>s, clustered, in close proximity.	IR	[SUFN, "knoll"]
28	LEVEE	EEC_OCFLRREGNNAMTY_LEVEE	A depositional natural embankment bordering a <<<CANYON>>>, <<<VALLEY>>>, or <<<SEA_CHANNEL>>>; a levee.	PR	[SUFN, "levee"]
29	MEDIAN_VALLEY	EEC_OCFLRREGNNAMTY_MEDIAN_VALLEY	The axial <TERRAIN_DEPRESSION> of a <SYSTEM> of <MOUNTAIN>s forming part of a <<<MID_OCEANIC_RIDGE>>>; a median valley.	PR	[SUFN, "median valley"]
30	MID_OCEANIC_RIDGE	EEC_OCFLRREGNNAMTY_MID_OCEANIC_RIDGE	The linked major mid-oceanic <SYSTEM>s of <MOUNTAIN>s, where such <SYSTEM>s are of global extent; a mid-oceanic ridge.	PR	[SUFN, "mid-oceanic ridge"]
31	MOAT	EEC_OCFLRREGNNAMTY_MOAT	An annular <TERRAIN_DEPRESSION> that may not be continuous, located at the base of many isolated elevations (for example: <SEAMOUNT> and/or an <ISLAND>); a moat.	PR	[SUFN, "moat"]
32	MOUNTAIN_SET	EEC_OCFLRREGNNAMTY_MOUNTAIN_SET	A <NON_EMPTY_SET> of <MOUNTAIN>s, in close proximity.	n/a		[SUFN]
33	PASSAGE	EEC_OCFLRREGNNAMTY_PASSAGE	A narrow break in a <<<RIDGE>>> or a <<<RISE>>>; a passage, pass, or gap.	PR	[SUFN, "passage"]
34	PEAK	EEC_OCFLRREGNNAMTY_PEAK	A prominent elevation either pointed or of a very limited extent across the summit; a peak.	PR	[SUFN, "peak"]
35	PINNACLE	EEC_OCFLRREGNNAMTY_PINNACLE	Any high tower or spire-shaped pillar of <ROCK> or <CORAL>, alone or cresting a summit; a pinnacle.	PR	[SUFN, "pinnacle"]
36	PLAIN	EEC_OCFLRREGNNAMTY_PLAIN	An extensive, flat, gently sloping or nearly level <TERRAIN_PLAIN>.	IR	[SP35, "plain"]
37	PLATEAU	EEC_OCFLRREGNNAMTY_PLATEAU	A <PLATEAU>, one or more sides of which drop off abruptly.	PR	[SUFN, "plateau"]
38	PROMONTORY	EEC_OCFLRREGNNAMTY_PROMONTORY	A major protrusion, resembling a <<<SPUR>>>, of the <<<CNTNTL_SLOPE>>> extending to the deep <OCEAN_FLOOR>; a promontory. Characteristically, the crest deepens seaward.	PR	[SUFN, "promontory"]
39	PROVINCE	EEC_OCFLRREGNNAMTY_PROVINCE	<WATERBODY_FLOOR_PROVINCE>.	n/a		[SUFN, "province"]
40	REEF	EEC_OCFLRREGNNAMTY_REEF	<REEF>.	n/a		[SUFN, "reef"]
41	REEF_SET	EEC_OCFLRREGNNAMTY_REEF_SET	A <NON_EMPTY_SET> of <<<REEF>>>s, in close proximity.	IR	[SUFN, "reef"]
42	RIDGE	EEC_OCFLRREGNNAMTY_RIDGE	<WATERBODY_FLOOR_RIDGE>. EXAMPLE <<<MID_OCEANIC_RIDGE>>>.	n/a		[SUFN, "ridge"]
43	RIDGE_SET	EEC_OCFLRREGNNAMTY_RIDGE_SET	A <NON_EMPTY_SET> of <<<RIDGE>>>s, in close proximity.	IR	[SUFN, "ridge"]
44	RISE	EEC_OCFLRREGNNAMTY_RISE	A broad elevation that rises gently and generally smoothly from the <OCEAN_FLOOR>, generally including the <<<MID_OCEANIC_RIDGE>>>s; a rise.	PR	[SUFN, "rise"]
45	SADDLE	EEC_OCFLRREGNNAMTY_SADDLE	A broad pass or col, resembling in shape a riding saddle, in a <<<RIDGE>>> or between contiguous elevations.	PR	[SUFN, "saddle"]
46	SEABIGHT	EEC_OCFLRREGNNAMTY_SEABIGHT	A crescent-shaped indentation in the <OCEAN_FLOOR> formed by <WATER_CURRENT>s; a seabight.	n/a
47	SEA_CHANNEL	EEC_OCFLRREGNNAMTY_SEA_CHANNEL	A continuously sloping <TERRAIN_CHANNEL> found in <<<FAN>>>s or <<<ABYSSAL_PLAIN>>>s and customarily bordered by <<<LEVEE>>>s on one or both sides; a channel or sea channel.	PR	[SUFN, "sea channel"]
48	SEAMOUNT	EEC_OCFLRREGNNAMTY_SEAMOUNT	<SEAMOUNT>.	n/a		[SUFN, "seamount(s)"]
49	SEAMOUNT_CHAIN	EEC_OCFLRREGNNAMTY_SEAMOUNT_CHAIN	Several <<<SEAMOUNT>>>s in linear or arcuate alignment, with their bases clearly separated; a seamount chain.	PR	[SUFN, "seamount chain"]
50	SEAMOUNT_GROUP	EEC_OCFLRREGNNAMTY_SEAMOUNT_GROUP	A distinct <NON_EMPTY_SET> of <SEAMOUNT>s, in close proximity to, but set off from, other <OCEAN_FLOOR> features; a seamount group.	IR	[SUFN, "seamount(s)"]
51	SEAMOUNT_PROVINCE	EEC_OCFLRREGNNAMTY_SEAMOUNT_PROVINCE	A <BATHYMETRIC_PROVINCE> of <<<SEAMOUNT>>>s.	IR	[SUFN, "seamount(s)"]
52	SEAMOUNT_SET	EEC_OCFLRREGNNAMTY_SEAMOUNT_SET	A <NON_EMPTY_SET> of <<<SEAMOUNT>>>s, in close proximity.	IR	[SUFN, "seamount(s)"]
53	SHELF	EEC_OCFLRREGNNAMTY_SHELF	A <<<ZONE>>> adjacent to a continent (or around an <ISLAND>) and extending from the <LOW_WATER_LINE> to a depth at which there is usually a marked increase of slope towards the depths of the <OCEAN>; a shelf.	PR	[SUFN, "shelf"]
54	SHELF_EDGE	EEC_OCFLRREGNNAMTY_SHELF_EDGE	The <LINE> along which there is marked increase of slope at the seaward margin of a <<<SHELF>>>; a shelf edge or shelf break.	PR	[SUFN, "shelf edge"]
55	SHOAL	EEC_OCFLRREGNNAMTY_SHOAL	An <UNDERWATER_HAZARD> with substantially less clearance than the surrounding <WATERBODY_FLOOR_REGION> and composed of unconsolidated <MATERIAL>; a shoal.	PR	[SUFN, "shoal"]
56	SHOAL_SET	EEC_OCFLRREGNNAMTY_SHOAL_SET	A <NON_EMPTY_SET> of <<<SHOAL>>>s, in close proximity.	IR	[SUFN, "shoal"]
57	SILL	EEC_OCFLRREGNNAMTY_SILL	A <BARRIER> of relatively shallow <<WATER_DEPTH>> restricting the movement of <WATER> between <<<BASIN>>>s; a sill.	PR	[SUFN, "sill"]
58	SLOPE	EEC_OCFLRREGNNAMTY_SLOPE	The deepening <OCEAN_FLOOR> out from a <<<SHELF_EDGE>>> to the upper limit of a <<<RISE>>>, or the <LOCATION> where there is a general decrease in steepness; a slope.	PR	[SUFN, "slope"]
59	SOUND	EEC_OCFLRREGNNAMTY_SOUND	<MARINE_SOUND>.	n/a
60	SPUR	EEC_OCFLRREGNNAMTY_SPUR	A subordinate elevation or <RIDGE> protruding from a larger <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION> (for example: a <<<PLATEAU>>> and/or the foundation of an <ISLAND>); a spur.	PR	[SUFN, "spur"]
61	TERRACE	EEC_OCFLRREGNNAMTY_TERRACE	A relatively flat horizontal or gently inclined <WATERBODY_FLOOR_REGION>, sometimes long and narrow, which is bounded by a steeper ascending slope on one side and by a steeper descending slope on the opposite side; a terrace.	PR	[SUFN, "terrace"]
62	TRENCH	EEC_OCFLRREGNNAMTY_TRENCH	<WATERBODY_FLOOR_TRENCH>.	n/a		[SUFN, "trench"]
63	TROUGH	EEC_OCFLRREGNNAMTY_TROUGH	A long <TERRAIN_DEPRESSION>, characteristically flat bottomed and steep-sided and normally shallower than a <<<TRENCH>>>; a trough.	PR	[SUFN, "trough"]
64	VALLEY	EEC_OCFLRREGNNAMTY_VALLEY	A relatively shallow, wide <TERRAIN_DEPRESSION>, the <WATERBODY_FLOOR> of which usually has a continuous gradient; a valley, submarine valley, or sea valley. This term is generally not used for <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>s that have characteristics of <<<CANYON>>>s for a significant portion of their extent.	PR	[SUFN, "valley"]
65	ZONE	EEC_OCFLRREGNNAMTY_ZONE	An extensive linear <REGION> identifiable by a number of shared physiographic characteristics that are markedly in contrast with those in the surrounding <REGION>s; a zone.	n/a		[SUFN]

EDCS Group Labels: WATERBODY_FLOOR

Reference Type: PR

Reference: [SUFN, page 2-1, sub-paragraph I-B]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OCEAN_NAME

EDCS Attribute Code: 919

Definition:
The name of an <OCEAN>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	ANTARCTIC	EEC_OCEANNAME_ANTARCTIC	Antarctic Ocean, or Southern Ocean, as defined in [LOS, 10]. The limits of the Antarctic Ocean are the parallel of 60ºS to the north and the <COAST> of Antarctica, including the Antarctic Peninsula, to the south.	PR	[LOS, 10]
2	ARCTIC	EEC_OCEANNAME_ARCTIC	Arctic Ocean as defined in [LOS, 9]. The Arctic Ocean is situated round the North Pole. Its southern limit generally follows the northern <COAST>s of North America, Greenland, and Eurasia.	PR	[LOS, 9]
3	ATLANTIC	EEC_OCEANNAME_ATLANTIC	<<<NORTH_ATLANTIC>>> plus <<<SOUTH_ATLANTIC>>> as defined in [LOS, 1 and 4].	PR	[LOS, 1 and 4]
4	INDIAN	EEC_OCEANNAME_INDIAN	Indian Ocean as defined in [LOS, 5]. The general limits of the Indian Ocean are the eastern <COAST> of Africa, the sourthen <COAST> of Asia, the western <COAST> of Australia, and the parallel of 60ºS to the south.	PR	[LOS, 5]
5	NORTH_ATLANTIC	EEC_OCEANNAME_NORTH_ATLANTIC	North <<<ATLANTIC>>> Ocean as defined in [LOS, 1]. The general limits of the North Atlantic Ocean are the eastern <COAST>s of South America and North America, the southern <COAST> of Greenland, the western <COAST>s of Europe and Africa, and the Equator.	PR	[LOS, 1]
6	NORTH_PACIFIC	EEC_OCEANNAME_NORTH_PACIFIC	North <<<PACIFIC>>> Ocean as defined in [LOS, 7]. The general limits of the North Pacific Ocean are the eastern <COAST> of Asia, the western <COAST> of North America, and the Equator.	PR	[LOS, 7]
7	PACIFIC	EEC_OCEANNAME_PACIFIC	<<<NORTH_PACIFIC>>> plus <<<SOUTH_PACIFIC>>> as defined in [LOS, 7 and 8].	PR	[LOS, 7 and 8]
8	SOUTH_ATLANTIC	EEC_OCEANNAME_SOUTH_ATLANTIC	South <<<ATLANTIC>>> Ocean as defined in [LOS, 4]. The general limits of the South Atlantic Ocean are the eastern <COAST> of South America, the Equator, the western <COAST> of Africa, and the parallel of 60ºS to the south.	PR	[LOS, 4]
9	SOUTH_CHINA	EEC_OCEANNAME_SOUTH_CHINA	South China and Eastern Archipelagic Seas as defined in [LOS, 6]. The general limits of the South China and Eastern Archipelagic Seas are the eastern boundary of the Indian Ocean, the south-eastern <COAST> of Asia, and the western boundary of the Pacific Ocean.	PR	[LOS, 6]
10	SOUTH_PACIFIC	EEC_OCEANNAME_SOUTH_PACIFIC	South <<<PACIFIC>>> Ocean as defined in [LOS, 8]. The general limits of the South Pacific Ocean are the eastern <COAST>s of Australia, Irian Jaya and Papua New Guinea, the Equator, the western <COAST> of South AMerica, and the parallel of 60ºS to the south.	PR	[LOS, 8]

EDCS Group Labels: HYDROLOGY, IDENTIFICATION

Reference Type: IR

Reference: [BOWD]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OFFSHORE_PLATFORM_TYPE

EDCS Attribute Code: 920

Definition:
The type of an offshore platform.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	ACCOMMODATION	EEC_OFFSHPLATTY_ACCOMMODATION	Used primarily for eating, sleeping and recreation purposes; accommodation.	PR	[S57A, Attribute, CATOFP:9]
2	ARTICULATED_LOADING	EEC_OFFSHPLATTY_ARTICULATED_LOADING	A metal lattice <TOWER>, buoyant at one end and attached at the other by a universal joint to a concrete filled base on the <OCEAN_FLOOR>; an articulated loading platform (ALP).	IR	[S57A, Attribute, CATOFP:4]	[FACC, Annex B, OPC:4]
3	ARTIFICIAL_ISLAND	EEC_OFFSHPLATTY_ARTIFICIAL_ISLAND	An artificial <STRUCTURE> usually constructed for the exploration or exploitation of marine resources, marine scientific research, or tidal observations; an artificial island.	PR	[S57A, Attribute, CATOFP:7]
4	FLOATING_PRODUCTION_VESSEL	EEC_OFFSHPLATTY_FLOATING_PRODUCTION_VESSEL	An offshore oil/gas <FACILITY> consisting of a moored tanker/barge by which the product is extracted, stored and exported; a floating production vessel.	IR	[S57A, Attribute, CATOFP:8]	[FACC, Annex B, OPC:8]
5	MOORING_TOWER	EEC_OFFSHPLATTY_MOORING_TOWER	A tower-like <STRUCTURE> secured to the <OCEAN_FLOOR> and surmounted by a turntable to which <VESSEL>s moor; a mooring tower.	IR	[S57A, Attribute, CATOFP:6]	[FACC, Annex B, OPC:6]
6	NAVIGATION_AID_SUPPORT	EEC_OFFSHPLATTY_NAVIGATION_AID_SUPPORT	A floating <MARINE_AID_TO_NAVIGATION> support <STRUCTURE> with control room, power and storage <FACILITY>s, attached to the <OCEAN_FLOOR> by a flexible <PIPELINE> and cables.	IR	[S57A, Attribute, CATOFP:10]	[FACC, Annex B, OPC:10]
7	OBSERVATION	EEC_OFFSHPLATTY_OBSERVATION	Used primarily to observe, note, or record information about the surroundings or related events; observation.	n/a		[SOED, "observation"]
8	OBSERVATION_RESEARCH	EEC_OFFSHPLATTY_OBSERVATION_RESEARCH	<<<OBSERVATION>>> and/or <<<RESEARCH>>>.	IR	[S57A, Attribute, CATOFP:3]	[FACC, Annex B, OPC:3]
9	OIL_DERRICK	EEC_OFFSHPLATTY_OIL_DERRICK	A temporary mobile <STRUCTURE>, either fixed or floating, used in the exploration stages of <PETROLEUM_FIELD>s, consisting of a combination of a derrick and <OIL_DRILLING_RIG>.	IR	[S57A, Attribute, CATOFP:1]	[FACC, Annex B, OPC:1]
10	PRODUCTION	EEC_OFFSHPLATTY_PRODUCTION	A permanent offshore <STRUCTURE> equipped to control the production and flow of oil or gas, excluding entirely submarine <STRUCTURE>s.	IR	[S57A, Attribute, CATOFP:2]	[FACC, Annex B, OPC:2]
11	RESEARCH	EEC_OFFSHPLATTY_RESEARCH	Used primarily for scientific experimentation or research, including scholarly investigation or inquiry, intended to ultimately result in commercial products.	n/a		[SOED, "research"]
12	SINGLE_ANCHOR_LEG_MOORING	EEC_OFFSHPLATTY_SINGLE_ANCHOR_LEG_MOORING	A rigid frame or tube with a buoyancy <DEVICE> at its upper end, secured at its lower end to a universal joint on a large steel or concrete base resting on the <OCEAN_FLOOR>, and at its upper end to a mooring <BUOY> by a <FLEXIBLE_RESTRAINT> (for example: a <CHAIN> or <WIRE>); a single anchor leg mooring.	IR	[S57A, Attribute, CATOFP:5]	[FACC, Annex B, OPC:5]

EDCS Group Labels: HYDROGRAPHIC_TRNSP, TRNSP

Reference Type: IR

Reference: [FACC, Annex B: OPC]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OIL_BARRIER_TYPE

EDCS Attribute Code: 921

Definition:
The type of an <OIL_BARRIER>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	FLOATING	EEC_OILBARTY_FLOATING	A floating tube-shaped <STRUCTURE>, with a curtain (2 metres) hanging under it, below the <WATERBODY_SURFACE>, that acts as a <BARRIER> preventing the spread of oil.	IR	[S57A, Attribute, CATOLB:2]	[FACC, Annex B, OBC:2]
2	OIL_RETENTION_PIPE	EEC_OILBARTY_OIL_RETENTION_PIPE	A <PIPE> with <APERTURE>s from which <AIR> blows under high pressure; when the bubbles of <AIR> reach the <WATERBODY_SURFACE> they form a <BARRIER> which prevents the spread of oil; an oil retention pipe.	IR	[S57A, Attribute, CATOLB:1]	[FACC, Annex B, OBC:1]

EDCS Group Labels: HYDROGRAPHIC_ARTEFACT, WATERBODY_SURFACE

Reference Type: IR

Reference: [FACC, Annex B: OBC]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OILRIG_PRESENT

EDCS Attribute Code: 922

Definition:
An indication that an <OIL_DRILLING_RIG> exists within a delineated <REGION>.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: INDUSTRY, INFRASTRUCTURE

Reference Type: IR

Reference: [OAML, Wind and Residual Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OMNIDIR_SHIP_NOISE_CONFIDENCE

EDCS Attribute Code: 923

Definition:
A qualitative estimate of the degree of confidence in the <<OMNIDIR_SHIP_NOISE_SPCT_PWR_LVL>> at a specified <<FREQUENCY>>, based on the quantity and variability of the measurements.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	LOW	EEC_OMNDSHPNSECNF_LOW	Low.	IR	[OAML, Shipping Noise Database]
2	MEDIUM	EEC_OMNDSHPNSECNF_MEDIUM	Medium.	IR	[OAML, Shipping Noise Database]
3	HIGH	EEC_OMNDSHPNSECNF_HIGH	High.	IR	[OAML, Shipping Noise Database]

EDCS Group Labels: ACOUSTIC_PHENOMENON, WATERBODY_STATE

Reference Type: IR

Reference: [OAML, Shipping Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OMNIDIR_SHIP_NOISE_CORRECTION

EDCS Attribute Code: 924

Definition:
The correction to the <<OMNIDIR_SHIP_NOISE_SPCT_PWR_LVL>>.

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

Reference: [OAML, Shipping Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OMNIDIR_SHIP_NOISE_DECORRELATION_TIME

EDCS Attribute Code: 925

Definition:
The <<TIME_QUANTITY>> required for omnidirectional shipping noise to decorrelate and/or disperse, typically taken at 50 hertz.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: TIME

EDCS Group Labels: ACOUSTIC_PHENOMENON, TIME

Reference Type: IR

Reference: [OAML, Shipping Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OMNIDIR_SHIP_NOISE_SPATIAL_VARIATION

EDCS Attribute Code: 926

Definition:
The degree of spatial variation of omnidirectional shipping noise, typically taken at 50 hertz.

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

Reference: [OAML, Shipping Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OMNIDIR_SHIP_NOISE_SPCT_PWR_LVL

EDCS Attribute Code: 927

Definition:
The omnidirectional shipping noise spectral power level in a <<VOLUME>> of a <WATERBODY>, typically taken at 50 hertz.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE_POWER_LEVEL

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: IR

Reference: [OAML, Shipping Noise Database]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OPACITY

EDCS Attribute Code: 928

Definition:
A number between 0 and 1 representing a linearly-scaled fraction specifying the degree of line of sight blockage. The value is, on average, the fraction of the cross-sectional <<AREA>> of a non-homogeneous <OBJECT> that completely blocks the line of sight; the opacity.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OPERATING_RESTRICTIONS_TYPE

EDCS Attribute Code: 929

Definition:
The conditions during which the use of an <OBJECT> (for example: a <FACILITY> and/or an <AIRSPACE>) is restricted.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	DAYTIME_ONLY	EEC_OPERRESTTY_DAYTIME_ONLY	Daytime operations; between sunrise and sunset only.	IR	[FACC, Annex B, ORS:1]
2	NIGHT_TIME_ONLY	EEC_OPERRESTTY_NIGHT_TIME_ONLY	Night-time operations; between sunset and sunrise only.	IR	[FACC, Annex B, ORS:2]
3	NO_RESTRICTIONS	EEC_OPERRESTTY_NO_RESTRICTIONS	No restrictions apply.	IR	[FACC, Annex B, ORS:3]
4	PRONE_TO_FLOODING	EEC_OPERRESTTY_PRONE_TO_FLOODING	Prone to flooding that may restrict normal usage.	IR	[FACC, Annex B, ORS:6]
5	PRONE_TO_ICE	EEC_OPERRESTTY_PRONE_TO_ICE	Prone to icy weather conditions that may restrict normal usage.	IR	[FACC, Annex B, ORS:5]
6	PRONE_TO_SNOW	EEC_OPERRESTTY_PRONE_TO_SNOW	Prone to snowy weather conditions that may restrict normal usage.	IR	[FACC, Annex B, ORS:4]
7	SPECIAL_RESTRICTIONS	EEC_OPERRESTTY_SPECIAL_RESTRICTIONS	Special restrictions apply.	IR	[FACC, Annex B, ORS:996]

EDCS Group Labels: ABSTRACT_OBJECT, USAGE_REGION

Reference Type: IR

Reference: [FACC, Annex B: ORS]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OPERATING_TIME

EDCS Attribute Code: 930

Definition:
The times during which the use of an <OBJECT> (for example: a <FACILITY> and/or an <AIRSPACE>) is unrestricted.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	CONTINUOUS	EEC_OPERTIME_CONTINUOUS	Continuous.	IR	[FACC, Annex B, OPT:3]
2	DAYTIME	EEC_OPERTIME_DAYTIME	Between sunrise and sunset; daytime.	IR	[FACC, Annex B, OPT:1]
3	NIGHT_TIME	EEC_OPERTIME_NIGHT_TIME	Between sunset and sunrise; night-time.	IR	[FACC, Annex B, OPT:2]
4	SUMMER_TIME_APRIL_OCTOBER	EEC_OPERTIME_SUMMER_TIME_APRIL_OCTOBER	Summer time; April through October.	IR	[FACC, Annex B, OPT:4]
5	WINTER_TIME_NOVEMBER_MARCH	EEC_OPERTIME_WINTER_TIME_NOVEMBER_MARCH	Winter time; November through March.	IR	[FACC, Annex B, OPT:5]

EDCS Group Labels: ABSTRACT_OBJECT, TIME, USAGE_REGION

Reference Type: IR

Reference: [FACC, Annex B: OPT]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OPERATIONAL

EDCS Attribute Code: 931

Definition:
An indication that an <OBJECT> is operational.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: ABSTRACT_OBJECT, USAGE_REGION

Reference Type: IR

Reference: [FACC, Annex B: OPS]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OPTICAL_TURBULENCE_INTENSITY

EDCS Attribute Code: 932

Definition:
A measure of fluctuations in the index of refraction at optical <<WAVELENGTH>>s resulting from turbulence in the <ATMOSPHERE>. The value is measured by the refractive index structure parameter that represents the correlation of refractive indices over distances of a few metres; the optical turbulence intensity.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: VOLUMETRIC_ENTITY_DENSITY

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: IR

Reference: [AFGL]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_ORIENTATION_ANGLE

EDCS Attribute Code: 933

Definition:
The <<GEODETIC_AZIMUTH>> measured in the local horizontal plane normal to the vertical axis of an <OBJECT> to the major (longitudinal) axis of the <OBJECT>. If the <OBJECT> is square, a value from 0 to 90 arc degrees (or equivalent) is recorded. If the <OBJECT> is circular, 360 arc degrees (or equivalent) is recorded.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ABSTRACT_OBJECT, ANGULAR_MEASURE

Reference Type: IR

Reference: [FACC, Annex B: AOO]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OUTSIDE_DIAMETER

EDCS Attribute Code: 934

Definition:
The diameter of a cylindrical or spherical <OBJECT> measured using the outside <SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ABSTRACT_OBJECT, DIMENSION

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERALL_BRIDGE_HEIGHT

EDCS Attribute Code: 935

Definition:
The vertical distance measured from the lowest point at the level of the <TERRAIN> or <WATERBODY_SURFACE> to the highest portion of a <BRIDGE>, including any <BRIDGE_SUPERSTRUCTURE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, LAND_TRNSP, TRNSP

Reference Type: IR

Reference: [FACC, Annex B: OHB]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERALL_VERTICAL_DIMENSION

EDCS Attribute Code: 936

Definition:
The overall vertical dimension that includes all <COMPONENT>s of an <OBJECT>, including both those above and those below the <TERRAIN> (for a <TERRAIN_SURFACE_OBJECT>) or <WATERBODY_SURFACE> (for an <OBJECT> on a <WATERBODY_SURFACE>).

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: ABSTRACT_OBJECT, DIMENSION

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERHEAD_CLEARANCE

EDCS Attribute Code: 937

Definition:
The least distance between a <LAND_TRANSPORTATION_ROUTE> and any <OVERHEAD_OBSTRUCTION> vertically above it; the overhead clearance.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, LAND_TRNSP, TRNSP

Reference Type: IR

Reference: [FACC, Annex B: OHC]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERHEAD_COVER

EDCS Attribute Code: 938

Definition:
An indication that a <DEFENSIVE_POSITION> provides protection (cover) from the effects of overhead detonation of <MUNITION>s.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: MILITARY_SCIENCE, SHELTER

Reference Type: n/a

Reference: none

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERHEAD_OBSTRUCTED

EDCS Attribute Code: 939

Definition:
An indication that there is an <OVERHEAD_OBSTRUCTION> less than 4,3 metres above a <LAND_TRANSPORTATION_ROUTE>; overhead obstructed.

EDCS Attribute Value Data Type: BOOLEAN

EDCS Group Labels: LAND_TRNSP, TRNSP

Reference Type: IR

Reference: [FACC, Annex B: OCC]

Supplemental References: none

EDCS Attribute Symbolic Constant: EAC_OVERHEAD_OBSTRUCTION_TYPE

EDCS Attribute Code: 940

Definition:
The type of an <OVERHEAD_OBSTRUCTION>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	Reference	Supplemental references
1	BRIDGE_SUPERSTRUCTURE	EEC_OVRHDOBSTNTY_BRIDGE_SUPERSTRUCTURE	Limited by the design of the <BRIDGE>.	IR	[FACC, Annex B, OOC:6]
2	HIGH_TENSION_POWERLINE	EEC_OVRHDOBSTNTY_HIGH_TENSION_POWERLINE	Limited by a high-tension <POWER_TRANSMISSION_LINE>.	IR	[FACC, Annex B, OOC:5]
3	RAILWAY_POWERLINE	EEC_OVRHDOBSTNTY_RAILWAY_POWERLINE	Limited by a <POWER_TRANSMISSION_LINE> for a <RAILWAY>.	IR	[FACC, Annex B, OOC:4]
4	ROOF	EEC_OVRHDOBSTNTY_ROOF	Limited by the design of the <ROOF>.	IR	[FACC, Annex B, OOC:3]
5	VIADUCT_ARCH_CONSTRUCTION	EEC_OVRHDOBSTNTY_VIADUCT_ARCH_CONSTRUCTION	Limited by the construction of the arch overpass of a <VIADUCT>.	IR	[FACC, Annex B, OOC:2]
6	VIADUCT_FRAME_CONSTRUCTION	EEC_OVRHDOBSTNTY_VIADUCT_FRAME_CONSTRUCTION	Limited by the construction of the frame overpass of a <VIADUCT>.	IR	[FACC, Annex B, OOC:1]

EDCS Group Labels: LAND_TRNSP, TRNSP

Reference Type: IR

Reference: [FACC, Annex B: OOC]

Supplemental References: none