St Louis Regional (KALN)
Towered public-use airport serving Alton/St Louis, Illinois, at 544 ft elevation.
Elevation544 ft
ControlTowered
Longest runway8,099 ft
Magnetic variation1° W
On the field: flight training, aircraft rental, charter (as listed in FAA data). Find flight schools in Illinois.
Live weather
Forecast (TAF)
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Frequencies
| ATIS | 128.0 |
|---|---|
| AWOS/ASOS | 128.0 |
| CTAF | 126.0 |
| UNICOM | 122.95 |
| Clearance delivery | 120.2 |
| Ground | 120.2 |
| Tower | 126.0 |
| Approach/Departure | 124.2 Saint Louis |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 11/29 | 8,099 × 150 ft | Asphalt | High intensity |
| 17/35 | 6,500 × 100 ft | Asphalt | Medium intensity |
Fuel: 100LL, A. Sectional: St Louis.
Nearby airports
KCPSSt Louis Downtown20 NM SH07Highland-Winet20 NM EKBLVScott AFB/Midamerica St Louis23 NM SE3LFLitchfield Municipal24 NM NEKGREGreenville31 NM E5K1Zelmer Memorial Airpark Inc32 NM N
Before you fly here
- Read the FAA Chart Supplement entry for ALN: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around KALN for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 2010. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.