NDB navaids
Non-Directional Beacons — low/medium-frequency beacons flown with an ADF. 6,610 on record.
| Ident | Name | Country |
|---|---|---|
| PI | Tyhee | 🇺🇸 US |
| TV | Tyoply Kluch | 🇷🇺 RU |
| TRF | Tyrifjord | 🇳🇴 NO |
| XZ | Tyumen | 🇷🇺 RU |
| RN | Tyumen | 🇷🇺 RU |
| QF | Tyumen | 🇷🇺 RU |
| TZ | Tzaneen | 🇿🇦 ZA |
| UP | U Taphao | 🇹🇭 TH |
| UK | Ua Huka | 🇵🇫 PF |
| UBA | Ubarana | 🇧🇷 BR |
| UBR | Ubari | 🇱🇾 LY |
| UBT | Ubatuba | 🇧🇷 BR |
| URB | Uberaba | 🇧🇷 BR |
| ULD | Uberlandia | 🇧🇷 BR |
| UB | Ubon | 🇹🇭 TH |
| ID | Uconn | 🇺🇸 US |
| LU | Udaipur | 🇮🇳 IN |
| UDI | Udairi | 🇰🇼 KW |
| UNA | Udbina | 🇭🇷 HR |
| UDH | Udhailiyah | 🇸🇦 SA |
| UD | Udon | 🇹🇭 TH |
| NB | Uelkal | 🇷🇺 RU |
| PT | Ufa | 🇷🇺 RU |
| RG | Ufa | 🇷🇺 RU |
| LZ | Ufa | 🇷🇺 RU |
| NM | Ufa | 🇷🇺 RU |
| UG | Uige | 🇦🇴 AO |
| CR | Uiju | 🇰🇵 KP |
| ULA | Ula | 🇳🇴 NO |
| DA | Ulaanbaatar | 🇲🇳 MN |
| US | Ulaangom | 🇲🇳 MN |
| B | Ulaangom | 🇲🇳 MN |
| ZD | Ulan-Ude | 🇷🇺 RU |
| UG | Ulongwe | 🇲🇿 MZ |
| US | Ulsan | 🇰🇷 KR |
| SMH | Ulundi | 🇿🇦 ZA |
| UL | Ulundi | 🇿🇦 ZA |
| UD | Ulundi | 🇿🇦 ZA |
| ULV | Ulvingen | 🇳🇴 NO |
| LS | Ulyanovsk | 🇷🇺 RU |
| MR | Ulyanovsk | 🇷🇺 RU |
| ULS | Ulysses | 🇺🇸 US |
| YMU | Umiujaq | 🇨🇦 CA |
| UN | Underkhaan | 🇲🇳 MN |
| B | Underkhaan | 🇲🇳 MN |
| U | Uniform | 🇫🇮 FI |
| UOT | Union County | 🇺🇸 US |
| UNE | Union County | 🇺🇸 US |
| UTX | United | 🇺🇸 US |
| UGS | University | 🇺🇸 US |