| 1 | UDA | Pusdiklat Perhubungan Udara/Plp | Callsign: Udara, | RI | AVCODES |
| 2 | UDA | Psudiklat Perhubungan Udara/PLP | | | ICAO1 |
| 3 | UDA | Usafiri Dar es Salaam | | EAT | TRAFFIC |
| 4 | UDAX | United Distillers of America, Inc. | 1/1950 | | NAKINA |
| 5 | UDAX | North American Car Corp. | 1/1952 | | NAKINA |
| 6 | UDAX | North American Car Corp. | Jan-52 | | NRHS |
| 7 | UDAX | UNITED DISTILLERS OF AMERICA, INC. (NORTH AMERICAN CAR CORP.) | | | PWRC |
