NDB navaids
Non-Directional Beacons — low/medium-frequency beacons flown with an ADF. 6,610 on record.
| Ident | Name | Country |
|---|---|---|
| SRJ | San Borja | 🇧🇴 BO |
| B | San Carlos De Bariloche | 🇦🇷 AR |
| OB | San Carlos De Bariloche | 🇦🇷 AR |
| SRN | San Carlos De Rio Negro | 🇻🇪 VE |
| SCR | San Cristobal | 🇪🇨 EC |
| SPE | San Felipe | 🇻🇪 VE |
| SFD | San Fernando De Apure | 🇻🇪 VE |
| SNG | San Ignacio De Velasco | 🇧🇴 BO |
| HIJ | San Isidro | 🇩🇴 DO |
| SJY | San Jacinto | 🇺🇸 US |
| SJV | San Javier | 🇧🇴 BO |
| JOA | San Joaquin | 🇧🇴 BO |
| SGA | San Jose | 🇬🇹 GT |
| J | San Juan | 🇦🇷 AR |
| SJM | San Juan De Manapiare | 🇻🇪 VE |
| U | San Luis | 🇦🇷 AR |
| SLI | San Luis | 🇨🇴 CO |
| CHP | San Martin De Los Andes | 🇦🇷 AR |
| SMT | San Matias | 🇧🇴 BO |
| NSI | San Nicolas | 🇺🇸 US |
| SAP | San Pedro | 🇨🇮 CI |
| ZSJ | San Salvador | 🇧🇸 BS |
| SSB | San Sebastian | 🇻🇪 VE |
| SOM | San Tome | 🇻🇪 VE |
| SA | Sanaa | 🇾🇪 YE |
| SAH | Sanaa | 🇾🇪 YE |
| AS | Sanana | 🇮🇩 ID |
| SNJ | Sanandaj | 🇮🇷 IR |
| GR | Sancy | 🇺🇸 US |
| SN | Sandakan | 🇲🇾 MY |
| SD | Sandane | 🇳🇴 NO |
| SF | Sandefjord | 🇳🇴 NO |
| SZT | Sandpoe | 🇺🇸 US |
| SAD | Sandsund | 🇳🇴 NO |
| 1W | Sandy Bay | 🇨🇦 CA |
| ZSJ | Sandy Lake | 🇨🇦 CA |
| SFB | Sanford | 🇺🇸 US |
| SG | Sangaredi | 🇬🇳 GN |
| SA | Sangata | 🇮🇩 ID |
| LM | Sanger | 🇷🇺 RU |
| TUN | Saniat Rmel | 🇲🇦 MA |
| JPA | Sanjac | 🇺🇸 US |
| RO | Sanjiang | 🇨🇳 CN |
| URF | Sanliurfa | 🇹🇷 TR |
| ANA | Santa Ana | 🇧🇴 BO |
| SBG | Santa Barbara | 🇧🇷 BR |
| SBB | Santa Barbara De Barinas | 🇻🇪 VE |
| STB | Santa Barbara Del Zulia | 🇻🇪 VE |
| U | Santa Clara | 🇨🇺 CU |
| USC | Santa Clara | 🇨🇺 CU |