Table C.16 -- ECs whose label begins with O

Label Groups Reference type References
OASIS PHYSIOGRAPHY PR [FACC, Annex A: EC020]
OBJECT ABSTRACT_OBJECT DR [NSOED]
OBJECT_PROPERTY_SET PROPERTY_SET DR [NSOED]
OBJECT_SET ABSTRACT_OBJECT DR [NSOED]
OBSERVATION_STATION DEVICE_AND_EQUIPMENT IR [FACC, Annex B, BFC:10]
OBSERVATORY ATMOSPHERE, SPACE DR [NSOED, "observatory", 1]
OCCLUDED_FRONT ATMOSPHERE, TEMPERATURE PR [WMO182, "occluded front"]
OCCUPATION_ZONE MILITARY_SCIENCE PR [FACC, Annex A: FA170]
OCEAN HYDROLOGY IR [BOWD]
OCEAN_BASIN PHYSIOGRAPHY, WATER_BODY_FLOOR IR [BOWD]
OCEAN_FLOOR PHYSIOGRAPHY, WATER_BODY_FLOOR IR [BOWD]
OFF_ROUTE_BEARING LOCATION, TRNSP PR [FACC, Annex A: GA030]
OFFSHORE_LOADING_FACILITY HYDROGRAPHIC_TRNSP, TRNSP, USAGE_REGION PR [FACC, Annex A: BB170]
OFFSHORE_PLATFORM HYDROGRAPHIC_ARTEFACT, HYDROGRAPHIC_INDUSTRY IR [FACC, Annex A: BD111]
OIL_BARRIER HYDROGRAPHIC_ARTEFACT, WATER_BODY_SURFACE IR [S57A, Object: OILBAR]
OIL_DRILLING_RIG INDUSTRY, INFRASTRUCTURE IR [GOFP, "drilling rig"]
OPEN_AIR_BATH RECREATION DR [NSOED]
OPEN_WATER HYDROLOGY IR [FACC, Annex A: SA010]
OPERA_HOUSE RECREATION, SHELTER DR [NSOED, "opera-house"]
ORCHARD AGRICULTURE, LIVING_ORGANISM, PLANT, USAGE_REGION DR [NSOED, "orchard"]
ORE_REFINERY INDUSTRY, LAND_INDUSTRY, USAGE_REGION DR [NSOED]
OUTBUILDING SHELTER DR [NSOED, "outbuilding"]
OVERFALL_REGION HYDROLOGY, WATER_BODY_SURFACE PR [S57A, Attribute, CATWAT:3]
OVERHEAD_OBSTRUCTION TRNSP PR [FACC, Annex A: AL155]
OVERPASS LAND_TRNSP DR [NSOED]