| Abbreviation | Definition |
|---|---|
| UUU | Manumu, Papua New Guinea |
| UUWW | Moscow Vnukovo, Russia |
| UUYH | Ust-Ukhta, Russia |
| UUYP | Pechora, Russia |
| UUYT | Ust-Kulom, Russia |
| UUYW | Vorkuta, Russia |
| UUYY | Syktyvkar, Russia |
| UVE | Ouvea Ouloup, New Caledonia, Loyalty Islands |
| UVF | Hewanorra Airport, St. Lucia, West Indies |
| UVL | New Valley, Egypt |
| UVO | Uvol, Papua New Guinea |
| UWKD | Kazan, Russia |
| UWLL | Ulyanovsk, Russia |
| UWOO | Orenburg Central, Russia |
| UWPP | Penza, Russia |
| UWUU | Ufa, Russia |
| UWWW | Samara-Kurumoch, Russia |
| UXK | Petaluma Municipal Airport, Petaluma, California USA |
| UXM | 47-MILE MINE Airport, 47-Mile Mine, Alaska |
| UYF | Madison County Airport, London, Ohio USA |