Table C.23 — EAs with labels beginning with V
Label Groups Reference type Reference Supplemental references
VARIABLE_SEA_STATE_FRACTION RATE_OR_RATIO, WATERBODY_SURFACE      
VARIABLE_WIND_END_DIRECTION ANGULAR_MEASURE, ATMOSPHERE PR [JMCDM, "WIND-OBSERVATION variable end direction angle"]  
VARIABLE_WIND_START_DIRECTION ANGULAR_MEASURE, ATMOSPHERE PR [JMCDM, "WIND-OBSERVATION variable start direction angle"]  
VECTOR_AZIMUTH_GEODETIC ANGULAR_MEASURE IR [TRHT]  
VECTOR_AZIMUTH_LOCAL ANGULAR_MEASURE IR [TRHT]  
VECTOR_AZIMUTH_MAGNETIC ANGULAR_MEASURE IR [TRHT]  
VECTOR_ELEV_ANGLE_HORIZONTAL ANGULAR_MEASURE      
VECTOR_ELEV_ANGLE_LOCAL ANGULAR_MEASURE IR [TRHT]  
VEGETATION_RESTRICTED_SPEED LAND_TRNSP, RATE_OR_RATIO, TRNSP, VEHICLE IR [FACC, Annex B: VRC]  
VEGETATION_TYPE LIVING_ORGANISM, PLANT IR [FACC, Annex B: VEG]  
VEHICLE_CAPACITY ABSTRACT_OBJECT, TRNSP IR [FACC, Annex B: VEC]  
VEHICLE_MAINTENANCE_AVAILABLE TRNSP, USAGE_REGION IR [FACC, Annex B: MFA]  
VEHICLE_MARKING TRNSP, VEHICLE IR [SISO_ESI, 4.6 Entity Marking]  
VEHICLE_SMOKE_TYPE AIRBORNE_PARTICLE, ATMOSPHERE, TRNSP IR [SISO_ESI, Platforms of the Land Domain, Smoke]  
VEHICLE_STORAGE_AREA DIMENSION, SUPPORT_STRUCTURE, TRNSP      
VEHICLE_STORAGE_DOOR_PRI-
_HEIGHT		 DIMENSION, SUPPORT_STRUCTURE, TRNSP      
VEHICLE_STORAGE_DOOR_PRI_WIDTH DIMENSION, SUPPORT_STRUCTURE, TRNSP      
VEHICLE_TRAFFIC_FLOW TRNSP IR [FACC, Annex B: TRF]  
VEHICLE_TRAFFIC_GEODETIC-
_DIRECTION		 ANGULAR_MEASURE, TRNSP IR [FACC, Annex B: DF1, DF2, DF3, and DF4]  
VEHICULAR_MINIMUM_SPEED_LIMIT LAND_TRNSP, RATE_OR_RATIO, TRNSP      
VEHICULAR_SPEED_LIMIT LAND_TRNSP, RATE_OR_RATIO, TRNSP IR [FACC, Annex B: SPM]  
VELOCITY RATE_OR_RATIO     [SOED, "velocity", 3]
VENTILATION_FILTER_EFFICIENCY AIRBORNE_PARTICLE, ATMOSPHERE, INFRASTRUCTURE, RATE_OR_RATIO IR [HVACS]  
VENTILATION_INFILTRATION_RATE ATMOSPHERE, INFRASTRUCTURE, RATE_OR_RATIO, SUPPORT_STRUCTURE IR [HVACS]  
VERTICAL_CLEARANCE_CLOSED ABSTRACT_OBJECT, DIMENSION IR [FACC, Annex B: VCC]  
VERTICAL_CLEARANCE_OPENED ABSTRACT_OBJECT, DIMENSION IR [FACC, Annex B: VCO]  
VERTICAL_CLEARANCE_SAFE ABSTRACT_OBJECT, DIMENSION IR [FACC, Annex B: VCS]  
VERTICAL_DATUM_IDENTIFIER LOCATION, SURVEY IR [GMCG]  
VERTICAL_LOAD_BEARING_CAPACITY ABSTRACT_OBJECT, RATE_OR_RATIO      
VERTICAL_MEASUREMENT_QUALITY LOCATION, SURVEY IR [FACC, Annex B: VEM]  
VERTICAL_PASSAGE_ENCLOSED SUPPORT_STRUCTURE, TRNSP      
VESSEL_DENSITY HYDROGRAPHIC_TRNSP, RATE_OR_RATIO, TRNSP, VEHICLE IR [JMCDM, "SHIP-DENSITY-ESTIMATE rate"] [OAML, Historical Temporal Shipping Database]
VESSEL_DENSITY_ACOUSTIC-
_LEVEL_CATEGORY		 ACOUSTIC_PHENOMENON, HYDROGRAPHIC_TRNSP, TRNSP, VEHICLE     [PUWS], [WENZ]
VESSEL_FUNCTION HYDROGRAPHIC_TRNSP, TRNSP, VEHICLE      
VESSEL_LOAD_RESTRICTIONS HYDROGRAPHIC_TRNSP, TRNSP, USAGE_REGION IR [FACC, Annex B: SLC]  
VESSEL_TYPE HYDROGRAPHIC_TRNSP, TRNSP, VEHICLE IR [OAML, Historical Temporal Shipping Database]  
VIEW_APERTURE_PRESENT ABSTRACT_OBJECT      
VIRTUAL_AIR_TEMPERATURE ATMOSPHERE, TEMPERATURE PR [WMO182, V0370, "virtual air temperature"]  
VISIBILITY_DISTANCE DIMENSION, LIGHTING_AND_VISIBILITY IR [GMET, "visibility"]  
VISIBILITY_DISTANCE_QUALITY LIGHTING_AND_VISIBILITY IR [JMCDM, "VISIBILITY-OBSERVATION distance quality code" and "VISIBILITY-OBSERVATION-LEVEL distance quality code"] [QCMO, Table 1]
VISIBILITY_DISTANCE_VARIABLE LIGHTING_AND_VISIBILITY IR [JMCDM, "VISIBILITY-OBSERVATION variability code"]  
VISUAL_OPACITY ABSTRACT_OBJECT, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO IR [CGPP]  
VISUAL_REFLECTOR_PRESENT DEVICE_AND_EQUIPMENT, TRNSP IR [FACC, Annex B: VRF]  
VISUAL_WAVE_HEIGHT DIMENSION, WATERBODY_SURFACE IR [AGM1]  
VOLCANIC_FORMATION_TYPE PHYSIOGRAPHY IR [FACC, Annex B: VGT]  
VOLTAGE_LEVEL EM_PHENOMENON, INFRASTRUCTURE, TRNSP IR [FACC, Annex B: ETN]  
VOLUME ABSTRACT_OBJECT      
VOLUME_BACKSCATTER_GRADIENT ABSTRACT_OBJECT, RATE_OR_RATIO IR [GMET]  

http://standards.iso.org/ittf/PubliclyAvailableStandards/index.html