NDB navaids
Non-Directional Beacons — low/medium-frequency beacons flown with an ADF. 6,610 on record.
| Ident | Name | Country |
|---|---|---|
| MB | Marsa Brega | 🇱🇾 LY |
| MR | Marsabit | 🇰🇪 KE |
| OB | Marseille/Provence | 🇫🇷 FR |
| MAR | Marseille/Provence | 🇫🇷 FR |
| MJ | Marseille/Provence | 🇫🇷 FR |
| MS | Marseille/Provence | 🇫🇷 FR |
| ZMH | Marsh Harbour | 🇧🇸 BS |
| PUR | Marshall | 🇺🇸 US |
| MIW | Marshalltown | 🇺🇸 US |
| MFI | Marshfield | 🇺🇸 US |
| IMR | Marshfield | 🇺🇸 US |
| MAE | Marte | 🇧🇷 BR |
| MTN | Martin | 🇺🇸 US |
| MDI | Marudi | 🇲🇾 MY |
| MP | Mary | 🇹🇲 TM |
| NS | Mary | 🇹🇲 TM |
| YMH | Mary'S Harbour | 🇨🇦 CA |
| MYB | Maryborough | 🇦🇺 AU |
| RW | Maryino | 🇷🇺 RU |
| 7H | Marystown | 🇨🇦 CA |
| MYZ | Marysville | 🇺🇸 US |
| MRT | Marysville | 🇺🇸 US |
| MHI | Masalembo | 🇮🇩 ID |
| MA | Masamba | 🇮🇩 ID |
| MSD | Mashhad | 🇮🇷 IR |
| MR | Masirah | 🇴🇲 OM |
| MIS | Masjed Soleiman | 🇮🇷 IR |
| MNC | Mason Co | 🇺🇸 US |
| MS | Massawa | 🇪🇷 ER |
| 1U | Masset | 🇨🇦 CA |
| VI | Masvingo | 🇿🇼 ZW |
| MS | Masvingo | 🇿🇼 ZW |
| MTI | Matadi | 🇨🇩 CD |
| MS | Matadi | 🇨🇩 CD |
| NM | Matagami | 🇨🇦 CA |
| MK | Matak | 🇮🇩 ID |
| MA | Matam/Ouro Sogui | 🇸🇳 SN |
| ME | Matane | 🇨🇦 CA |
| GA | Mataram | 🇮🇩 ID |
| MAT | Matecana | 🇨🇴 CO |
| MT | Matei | 🇫🇯 FJ |
| MT | Matetsi | 🇿🇼 ZW |
| MS | Matsapha | 🇸🇿 SZ |
| MUN | Maturin | 🇻🇪 VE |
| EB | Matveyevsky | 🇷🇺 RU |
| NO | Maumere | 🇮🇩 ID |
| MN | Maun | 🇧🇼 BW |
| MA | Maupiti | 🇵🇫 PF |
| PBC | Maury Co | 🇺🇸 US |
| SA | Mavis | 🇺🇸 US |