Table C.16 — EAs with labels beginning with O
Label Groups Reference type Reference Supplemental references
OBJECT_ASPECT LOCATION, PHYSIOGRAPHY IR [CATT]  
OBJECT_BASE_HEIGHT ABSTRACT_OBJECT, LOCATION      
OBJECT_BEARING_GEODETIC ABSTRACT_OBJECT, ANGULAR_MEASURE IR [FACC, Annex B: BRG]  
OBJECT_CONFIGURATION ABSTRACT_OBJECT IR [FACC, Annex B: FCO]  
OBJECT_CONFIGURATION_QUALITY ABSTRACT_OBJECT IR [FACC, Annex B, FCO:8 and 9]  
OBJECT_ELEMENT_GEODETIC-
_ORIENTATION		 ABSTRACT_OBJECT, ANGULAR_MEASURE, LOCATION IR [FACC, Annex B: FEO]  
OBJECT_IDENTIFICATION_BASE-
_NUMBER		 IDENTIFICATION, SURVEY      
OBJECT_LABEL ABSTRACT_OBJECT, IDENTIFICATION IR [FACC, Annex B: LAB]  
OBJECT_ORDINAL_RANK ABSTRACT_OBJECT IR [FACC, Annex B: ORD]  
OBJECT_ORIENTATION_WRT-
_VERTICAL		 ABSTRACT_OBJECT IR [FACC, Annex B: FVO]  
OBJECT_POLYGONAL_FACE_SHAPE ALGORITHM_RELATED IR [CATT]  
OBJECT_RATE ABSTRACT_OBJECT, RATE_OR_RATIO IR [FACC, Annex B: FTR]  
OBJECT_SET_TYPE ABSTRACT_OBJECT      
OBJECT_SHADED ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY      
OBJECT_SKY_IRRADIANCE ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY      
OBJECT_TRANSMITTANCE_FRACTION ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO      
OBJECT_TYPE_DENSITY RATE_OR_RATIO IR [FACC, Annex B: DMF]  
OBJECT_VARIANT ABSTRACT_OBJECT, IDENTIFICATION      
OBJECT_VERTICAL_DISPLACEMENT ABSTRACT_OBJECT, LOCATION      
OBSCURANT_TYPE AIRBORNE_PARTICLE, ATMOSPHERE, LIGHTING_AND_VISIBILITY IR [JMCDM, "AEROSOL-ANALYSIS-FORECAST air-mass characteristic code"]  
OBSERVATION_DECK_PRESENT ABSTRACT_OBJECT      
OBSERVATION_PLATFORM_TYPE ATMOSPHERE IR [JMCDM, "GEOPHYSICAL-OBSERVATION-PLATFORM type code"]  
OBSERVATION_TIME_EPOCH_1970 TIME      
OBSERVED_VISIBILITY_REPORT-
_TYPE		 LIGHTING_AND_VISIBILITY IR [JMCDM, "VISIBILITY-OBSERVATION type code"]  
OCEAN_CURRENT_EAST_SPEED RATE_OR_RATIO, WATERBODY_STATE IR [NPDM]  
OCEAN_CURRENT_NORTH_SPEED RATE_OR_RATIO, WATERBODY_STATE IR [NPDM]  
OCEAN_CURRENT_U RATE_OR_RATIO, WATERBODY_STATE IR [JMCDM, "CURRENT-PROFILE-ELEMENT u component velocity rate"] [NPDM]
OCEAN_CURRENT_U_SPEED RATE_OR_RATIO, WATERBODY_STATE IR [NPDM]  
OCEAN_CURRENT_V RATE_OR_RATIO, WATERBODY_STATE IR [JMCDM, "CURRENT-PROFILE-ELEMENT v component velocity rate"] [NPDM]
OCEAN_CURRENT_V_SPEED RATE_OR_RATIO, WATERBODY_STATE IR [NPDM]  
OCEAN_CURRENT_W RATE_OR_RATIO, WATERBODY_STATE IR [JMCDM, "CURRENT-PROFILE-ELEMENT w component velocity rate"] [NPDM]
OCEAN_ELECTRICAL-
_CONDUCTIVITY_RATIO		 RATE_OR_RATIO, WATERBODY_STATE IR [ISUO, Clause VI]  
OCEAN_FLOOR_REGION_NAME IDENTIFICATION, WATERBODY_FLOOR IR [SUFN, page 2-5, "UNDERSEA FEATURE NAME PROPOSAL"]  
OCEAN_FLOOR_REGION_NAME_TYPE WATERBODY_FLOOR PR [SUFN, page 2-1, sub-paragraph I-B]  
OCEAN_NAME HYDROLOGY, IDENTIFICATION IR [BOWD]  
OFFSHORE_PLATFORM_TYPE HYDROGRAPHIC_TRNSP, TRNSP IR [FACC, Annex B: OPC]  
OIL_BARRIER_TYPE HYDROGRAPHIC_ARTEFACT, WATERBODY_SURFACE IR [FACC, Annex B: OBC]  
OILRIG_PRESENT INDUSTRY, INFRASTRUCTURE IR [OAML, Wind and Residual Noise Database]  
OMNIDIR_SHIP_NOISE_CONFIDENCE ACOUSTIC_PHENOMENON, WATERBODY_STATE IR [JMCDM, "LOW-RESOLUTION-OMNIDIRECTIONAL-SHIP-NOISE confidence code"] [OAML, Shipping Noise Database]
OMNIDIR_SHIP_NOISE_CORRECTION ACOUSTIC_PHENOMENON, RATE_OR_RATIO IR [OAML, Shipping Noise Database]  
OMNIDIR_SHIP_NOISE-
_DECORRELATION_TIME		 ACOUSTIC_PHENOMENON, TIME IR [JMCDM, "LOW-RESOLUTION-OMNIDIRECTIONAL-SHIP-NOISE decorrelation-time quantity"] [OAML, Shipping Noise Database]
OMNIDIR_SHIP_NOISE_SPATIAL-
_VARIATION		 ACOUSTIC_PHENOMENON, RATE_OR_RATIO IR [JMCDM, "LOW-RESOLUTION-OMNIDIRECTIONAL-SHIP-NOISE spatial variation quantity"] [OAML, Shipping Noise Database]
OMNIDIR_SHIP_NOISE_SPCT_PWR-
_LVL		 ACOUSTIC_PHENOMENON, RATE_OR_RATIO IR [OAML, Shipping Noise Database]  
OPACITY ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO      
OPERATING_RESTRICTIONS_TYPE ABSTRACT_OBJECT, USAGE_REGION IR [FACC, Annex B: ORS]  
OPERATING_TIME ABSTRACT_OBJECT, TIME, USAGE_REGION IR [FACC, Annex B: OPT]  
OPERATIONAL ABSTRACT_OBJECT, USAGE_REGION IR [FACC, Annex B: OPS]  
OPTICAL_TURBULENCE_INTENSITY ATMOSPHERE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO IR [AFGL]  
ORIENTATION_ANGLE ABSTRACT_OBJECT, ANGULAR_MEASURE IR [FACC, Annex B: AOO]  
OUTSIDE_DIAMETER ABSTRACT_OBJECT, DIMENSION      
OVERALL_BRIDGE_HEIGHT DIMENSION, LAND_TRNSP, TRNSP IR [FACC, Annex B: OHB]  
OVERALL_VERTICAL_DIMENSION ABSTRACT_OBJECT, DIMENSION      
OVERHEAD_CLEARANCE DIMENSION, LAND_TRNSP, TRNSP IR [FACC, Annex B: OHC]  
OVERHEAD_COVER MILITARY_SCIENCE, SHELTER      
OVERHEAD_OBSTRUCTED LAND_TRNSP, TRNSP IR [FACC, Annex B: OCC]  
OVERHEAD_OBSTRUCTION_TYPE LAND_TRNSP, TRNSP IR [FACC, Annex B: OOC]  

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