| Abbreviation | Definition |
|---|---|
| UATT | Aqtobe (Aktyubinsk), Kazakhstan |
| UAUR | Arkalyk, Kazakhstan |
| UAUU | Qostanay (Kustanay), Kazakhstan |
| UAX | Uaxactun, Guatemala |
| UBA | Uberaba, Minas Gerais, Brazil |
| UBB | Mabuiag Island, Queensland, Australia |
| UBBB | Baki (Baku)-Bina, Azerbaijan |
| UBBG | Ganja, Azerbaijan |
| UBBL | Lankaran, Azerbaijan |
| UBBN | Nakhchivan, Azerbaijan |
| UBBQ | Qabala, Azerbaijan |
| UBBS | Stepanakert, Azerbaijan |
| UBBY | Zaqatala, Azerbaijan |
| UBI | Buin, Papua New Guinea |
| UBJ | Yamaguchi Airport, Ube, Japan |
| UBP | Ubon Ratchathani, Thailand |
| UBS | Columbus/ Starkville/ West Point, Mississippi USA |
| UBT | Ubatuba, Sao Paulo, Brazil |
| UBU | Kalumburu, Western Australia, Australia |
| UBX | Cuba Municipal Airport, Cuba, Missouri |