Table C.10 — EAs whose label begins with I

Label Groups Reference type Reference Supplemental references
ICAO_AIRSPACE_CLASS AIR_TRNSP, TRNSP PR [IAN11, 2.6.1]  
ICE_COVERAGE_FRACTION ICE, RATE_OR_RATIO, WATERBODY_SURFACE      
ICE_COVERED ICE, WATERBODY_SURFACE IR [JMCDM, "HIGH-RESOLUTION-ICE-EDGE-NOISE under-ice code"]  
ICE_DRAFT_ROOT_MEAN_SQUARE DIMENSION, ICE, WATERBODY_SURFACE IR [OAML, ICECAP Database]  
ICE_KEEL_DENSITY ICE, RATE_OR_RATIO, WATERBODY_SURFACE IR [OAML, ICECAP Database]  
ICE_LAYER_THICKNESS DIMENSION, ICE, WATERBODY_SURFACE IR [JMCDM, "HYDROLOGICAL-OBSERVATION ice thickness dimension"]  
ICING_TYPE ICE IR [GMET]  
IGNITION_FLASH_INTENSITY ABSTRACT_OBJECT, EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO IR [EBEV, 4.3.2, Bit: 16 (Launch Flash)] [EBEV, 4.3.1.1, Bit: 16 (Launcher)]
ILLUMINANCE EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [GMET, "illuminance"]  
ILLUMINANCE_DIRECT EM_PHENOMENON, LIGHTING_AND_VISIBILITY      
ILLUMINANCE_DIRECT_FROM-
_PRINCIPAL_SOURCE 		EM_PHENOMENON, LIGHTING_AND_VISIBILITY, SPACE      
IMO_ADOPTED ABSTRACT_OBJECT IR [FACC, Annex B: IAS]  
INCIDENCE_AZIMUTH_GEODETIC ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [TRHT]  
INCIDENCE_AZIMUTH_LOCAL ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [TRHT]  
INCIDENCE_AZIMUTH_MAGNETIC ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [TRHT]  
INCIDENCE_ELEV_ANGLE-
_HORIZONTAL 		ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [TRHT]  
INCIDENCE_ELEV_ANGLE_LOCAL ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY IR [TRHT]  
INCIDENCE_ZENITH_ANGLE_LOCAL ANGULAR_MEASURE, EM_PHENOMENON, LIGHTING_AND_VISIBILITY, SURFACE IR [TRHT]  
INFRARED_HEAT_FLUX EM_PHENOMENON, RATE_OR_RATIO, TEMPERATURE IR [GMET]  
INLAND_HYDROGRAPHIC_PERMANENCE TIME, HYDROLOGY IR [FACC, Annex B: AHC]  
INLAND_WATER_OBSTRUCTION ABSTRACT_OBJECT, HYDROGRAPHIC_TRNSP, HYDROLOGY, TRNSP IR [FACC, Annex B: IWO]  
INSIDE_DIAMETER ABSTRACT_OBJECT, DIMENSION      
INSTALLATION_BUOY_TYPE HYDROGRAPHIC_ARTEFACT, HYDROGRAPHIC_TRNSP, TRNSP, WATERBODY_SURFACE IR [FACC, Annex B: IBC]  
INTEG_BIDIRECTIONAL-
_REFLECTANCE_DISTRIBUTION-
_FUNCTION 		ALGORITHM_RELATED, EM_PHENOMENON, LIGHTING_AND_VISIBILITY, SURFACE IR [TRHT]  
INTEG_DIRECTIONAL-
_HEMISPHERICAL_REFLECTIVITY 		EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO, SURFACE IR [TRHT]  
INTEG_HEMISPHERICAL-
_DIRECTIONAL_REFLECTIVITY 		EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO, SURFACE IR [TRHT]  
INTEG_HEMISPHERICAL-
_HEMISPHERICAL_REFLECTIVITY 		EM_PHENOMENON, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO, SURFACE IR [TRHT]  
INTERCHANGE_TRAVERSABILITY LAND_TRNSP, TRNSP      
INTEREST_TYPE ABSTRACT_OBJECT IR [FACC, Annex B: POI]  
INTERIOR_AIR_EXCHANGE_RATE ATMOSPHERE, BUILDING_COMPONENT, RATE_OR_RATIO IR [HVACS]  
INTERIOR_LIGHTING_INTENSITY LIGHTING_AND_VISIBILITY, RATE_OR_RATIO IR [EBEV, 4.3.1.1, Bit: 29 (Interior Lights)]  
INTERIOR_WALL_CONSTRUCTION-
_TYPE 		BUILDING_COMPONENT, MATERIAL      
INTERNAL_FLOW_SPEED ABSTRACT_OBJECT, RATE_OR_RATIO      
INTERNAL_TEMPERATURE ABSTRACT_OBJECT, MATERIAL, TEMPERATURE      
IONOSPHERIC_SCINT_EAST_DRIFT ATMOSPHERE, EM_PHENOMENON, RATE_OR_RATIO, SPACE IR [IONSP]  
IONOSPHERIC_SCINT_MAXIMUM_SIZE ATMOSPHERE, DIMENSION, EM_PHENOMENON, SPACE IR [IONSP]  
IONOSPHERIC_SCINT_NORTH_DRIFT ATMOSPHERE, EM_PHENOMENON, RATE_OR_RATIO, SPACE IR [IONSP]  
IONOSPHERIC_SCINT_PHASE-
_ALTITUDE 		ATMOSPHERE, EM_PHENOMENON, LOCATION, SPACE IR [IONSP]  
IONOSPHERIC_SCINT_STRUCTURE-
_ANGLE 		ANGULAR_MEASURE, EM_PHENOMENON IR [IONSP]  
IONOSPHERIC_SCINT_UP_DRIFT ATMOSPHERE, RATE_OR_RATIO, SPACE IR [IONSP]  
IRRIGATION_METHOD AGRICULTURE, LIVING_ORGANISM, PLANT, USAGE_REGION IR [FACC, Annex B: FTC]  
ISLAMIC_DENOMINATIONAL_FAMILY RELIGION IR [WCE]  
ISOBARIC_SURFACE_LEVEL ATMOSPHERE, LOCATION PR [WMO306, Part 1, symbolic code, "hhh"]  
ISOLATED ABSTRACT_OBJECT IR [FAD, Annex B: ISS]  
ISOLATED_COMMUNICATION_LINE COMMUNICATION, INFRASTRUCTURE IR [FACC, Annex B: CLI]  

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