Table B.22 — ECs with labels beginning with U
| Label |
Groups |
Reference type |
Reference |
Supplemental references |
| UNCONTROLLED_AIRSPACE |
AIR_TRNSP, TRNSP |
IR |
[AIM] |
|
| UNDERGROUND_BUNKER |
MILITARY_SCIENCE, SHELTER |
IR |
[FACC, Annex A: AH060] |
|
| UNDERGROUND_DWELLING |
SHELTER |
PR |
[FACC, Annex A: AL250] |
|
| UNDERGROUND_RAILWAY |
EM_PHENOMENON, LAND_TRNSP, TRNSP |
PR |
[FACC, Annex A: SU002] |
|
| UNDERGROUND_STRUCTURE |
SHELTER |
|
|
|
| UNDERGROUND_WATER |
HYDROLOGY |
PR |
[FACC, Annex A: BH115] |
|
| UNDERMINED_LAND |
PHYSIOGRAPHY |
PR |
[FACC, Annex A: DB220] |
|
UNDERWATER_COMMUNICATION-
_DEVICE |
COMMUNICATION, DEVICE_AND_EQUIPMENT, HYDROGRAPHIC_ARTEFACT, HYDROGRAPHIC_TRNSP, INFRASTRUCTURE, TRNSP |
|
|
|
| UNDERWATER_HAZARD |
HYDROGRAPHIC_TRNSP, TRNSP |
PR |
[FACC, Annex A: BD000] |
|
| UNDERWATER_OBJECT |
ABSTRACT_OBJECT |
IR |
[FACC, Annex A: BD005] |
|
| UNDERWATER_REGION |
HYDROLOGY |
|
|
|
| UNMANNED_WINGED_AIRCRAFT |
AIR_TRNSP, TRNSP, VEHICLE |
|
|
|
| UNMONUMENTED_POINT |
LOCATION, SURVEY |
PR |
[FACC, Annex A: ZB031] |
|
| UNVEGETATED_LAND |
LIVING_ORGANISM, PHYSIOGRAPHY, PLANT |
PR |
[FACC, Annex A: EE020] |
|
| URANUS |
SPACE |
IR |
[PSMOP] |
|
| UTILITY_HELICOPTER |
AIR_TRNSP, TRNSP, VEHICLE |
|
|
|
| UTILITY_VESSEL |
HYDROGRAPHIC_TRNSP, TRNSP, VEHICLE |
|
|
|
| UTILITY_WINGED_AIRCRAFT |
AIR_TRNSP, TRNSP, VEHICLE |
IR |
[JAWA, Type Classifications, Class 7] |
|