NDB navaids
Non-Directional Beacons — low/medium-frequency beacons flown with an ADF. 6,610 on record.
| Ident | Name | Country |
|---|---|---|
| SYF | St. Francis | 🇺🇸 US |
| PJE | St.eEstatius | 🇧🇶 BQ |
| STH | St.hHlens | 🇦🇺 AU |
| YRC | St.hHnore | 🇨🇦 CA |
| PJD | St.mMarten | 🇧🇶 BQ |
| STD | Stad | 🇳🇱 NL |
| STK | Stadskanaal | 🇳🇱 NL |
| SN | Stagen | 🇮🇩 ID |
| IS | Stals | 🇺🇸 US |
| TMV | Stamford | 🇺🇸 US |
| VFU | Stanley | 🇺🇸 US |
| SA | Stanley | 🇫🇰 FK |
| SSD | Stansted | 🇬🇧 GB |
| SAZ | Staples | 🇺🇸 US |
| AJ | Staritsa | 🇷🇺 RU |
| GR | Starn | 🇺🇸 US |
| SH | Staut | 🇺🇸 US |
| KT | Stavropol | 🇷🇺 RU |
| OP | Stavropol | 🇷🇺 RU |
| K7 | Ste-Anne-Des-Monts | 🇨🇦 CA |
| OU | Ste-Foy | 🇨🇦 CA |
| SBS | Steamboat Springs | 🇺🇸 US |
| SV | Stebliv | 🇺🇦 UA |
| HDG | Steelhead | 🇺🇸 US |
| OKR | Stefanik North | 🇸🇰 SK |
| OB | Stefanik South | 🇸🇰 SK |
| STF | Stefanovikion | 🇬🇷 GR |
| STG | Stegen | 🇳🇴 NO |
| STE | Steinhof | 🇦🇹 AT |
| ZLS | Stella Maris | 🇧🇸 BS |
| ST | Stepanavan | 🇦🇲 AM |
| S | Stepanavan | 🇦🇲 AM |
| JT | Stephenville | 🇨🇦 CA |
| OW | Stoge | 🇺🇸 US |
| SFL | Stonefield (DECOMMISSIONED) | 🇦🇺 AU |
| ZWG | Stoney | 🇨🇦 CA |
| GHJ | Stonia | 🇺🇸 US |
| YSF | Stony Rapids | 🇨🇦 CA |
| SLB | Storm Lake | 🇺🇸 US |
| STT | Stott | 🇳🇴 NO |
| SYS | Stoystown | 🇺🇸 US |
| SRN | Strahan | 🇦🇺 AU |
| SBG | Strathbogie | 🇦🇺 AU |
| TW | Strik | 🇺🇸 US |
| RV | Stroh | 🇺🇸 US |
| STM | Strommen | 🇳🇴 NO |
| SBY | Strubby | 🇬🇧 GB |
| TUF | Stuckey | 🇺🇸 US |
| HEK | Stuckey | 🇺🇸 US |
| ST | Stung Treng | 🇰🇭 KH |