SearchMedium airport
St Louis Regional Airport (ALN)
Alton/St Louis, Illinois, United States
- IATA
- ALN
- ICAO
- KALN
- FAA
- ALN
- Local time
- --:--
- Elevation
- 166 m (544 ft)
- Longest runway
- 2,469 m (8,099 ft)
- Runways
- 2
St Louis Regional Airport is a medium airport in Alton/St Louis, Illinois, United States. Its IATA code is ALN and its ICAO code is KALN. Its longest runway is 2,469 m (8,099 ft).
Location
- Type
- Medium airport
- Serves
- Alton/St Louis
- Region
- Illinois
- Country
- United States
- Coordinates
- 38°53′25″N 90°02′46″W
38.89030, -90.04600 · Map - Elevation
- 166 m (544 ft)
- Time zone
- America/Chicago
- Wikipedia
- St. Louis Regional Airport
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 11/29 | 2,469 m (8,099 ft) | 46 m (150 ft) | Asphalt | Yes |
| 17/35 | 1,981 m (6,500 ft) | 30 m (100 ft) | Asphalt | Yes |
Radio Frequencies 9
| Type | Description | MHz |
|---|---|---|
| A/D | APP/DEP | 124.200 |
| ATIS | ATIS | 128.000 |
| AWOS | AWOS 3 | 128.000 |
| CLD | CLNC DEL | 120.200 |
| CTAF | CTAF | 126.000 |
| GND | GND | 120.200 |
| RDO | RDO | 122.050 |
| TWR | REGIONAL TWR | 126.000 |
| UNIC | UNICOM | 122.950 |
Navigation Aids within 60 km 6
| Ident | Name | Type | Frequency | Distance |
|---|---|---|---|---|
| CVM | Civic Mem | NDB | 263 kHz | 1 km |
| AL | Alpos | NDB | 218 kHz | 10 km |
| TOY | Troy | VORTAC | 116.00 MHz | 20 km |
| ST | Zumay | NDB | 404 kHz | 23 km |
| CSX | Cardinal | VOR-DME | 116.45 MHz | 31 km |
| STL | St Louis | VORTAC | 117.40 MHz | 38 km |
Data last refreshed 30 September 2026. Not for navigation. About the data.