NDB navaids
Non-Directional Beacons — low/medium-frequency beacons flown with an ADF. 6,610 on record.
| Ident | Name | Country |
|---|---|---|
| SMF | Sheffield City | 🇬🇧 GB |
| SP | Sheikhupura | 🇵🇰 PK |
| ER | Shein | 🇺🇸 US |
| SBX | Shelby | 🇺🇸 US |
| SYZ | Shelbyville | 🇺🇸 US |
| SHL | Sheldon | 🇺🇸 US |
| SLS | Shellys | 🇦🇺 AU |
| SYA | Shemya | 🇺🇸 US |
| SDA | Shenandoah | 🇺🇸 US |
| S | Shenkursk | 🇷🇺 RU |
| QJ | Shenzhen | 🇨🇳 CN |
| SW | Shepetivka | 🇺🇦 UA |
| SHT | Shepparton | 🇦🇺 AU |
| HA | Sherabad | 🇺🇿 UZ |
| A | Sheremetyevo | 🇷🇺 RU |
| M | Sheremetyevo | 🇷🇺 RU |
| N | Sheremetyevo | 🇷🇺 RU |
| BW | Sheremetyevo | 🇷🇺 RU |
| NL | Sheremetyevo | 🇷🇺 RU |
| MR | Sheremetyevo | 🇷🇺 RU |
| AD | Sheremetyevo | 🇷🇺 RU |
| B | Sheremetyevo | 🇷🇺 RU |
| VM | Shigezhuang | 🇨🇳 CN |
| NN | Shikang | 🇹🇼 TW |
| LQ | Shilong | 🇨🇳 CN |
| TN | Shin-Tachikawa | 🇯🇵 JP |
| SK | Shinoda | 🇯🇵 JP |
| SR | Shiraz Shahid Dastghaib | 🇮🇷 IR |
| SHH | Shishmaref | 🇺🇸 US |
| SH | Shobdon | 🇬🇧 GB |
| SOW | Show Low | 🇺🇸 US |
| GL | Shugr | 🇺🇸 US |
| QM | Shumerlya | 🇷🇺 RU |
| EN | Shymkent | 🇰🇿 KZ |
| IM | Shymkent | 🇰🇿 KZ |
| I | Shymkent | 🇰🇿 KZ |
| E | Shymkent | 🇰🇿 KZ |
| SH | Shyriaieve | 🇺🇦 UA |
| SB | Sibi | 🇵🇰 PK |
| SIB | Sibiu | 🇷🇴 RO |
| SZY | Sibley | 🇺🇸 US |
| ISB | Sibley | 🇺🇸 US |
| NIS | Sibu | 🇲🇾 MY |
| SDY | Sidney | 🇺🇸 US |
| SIL | Siegerland | 🇩🇪 DE |
| SIR | Siem Reap | 🇰🇭 KH |
| SK | Sierra-Kilo | 🇫🇮 FI |
| SIG | Sigonella | 🇮🇹 IT |
| SI | Siguiri | 🇬🇳 GN |
| SRT | Siirt | 🇹🇷 TR |