St Louis Downtown (KCPS)
Towered public-use airport serving Cahokia/St Louis, Illinois, at 413 ft elevation.
Elevation413 ft
ControlTowered
Longest runway7,002 ft
Magnetic variation0° E
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 | 121.45 |
|---|---|
| CTAF | 119.925 |
| UNICOM | 122.95 |
| Clearance delivery | 118.275 |
| Clearance delivery | 121.8 |
| Ground | 121.8 |
| Tower | 119.925 |
| Approach/Departure | 123.7 Saint Louis |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 12R/30L | 7,002 × 150 ft | Asphalt | High intensity |
| 12L/30R | 5,301 × 75 ft | Concrete | Medium intensity |
| 05/23 | 2,799 × 75 ft | Asphalt | Medium intensity |
Fuel: 100LL, A. Sectional: St Louis.
Nearby airports
KBLVScott AFB/Midamerica St Louis15 NM EKALNSt Louis Regional20 NM NH07Highland-Winet27 NM NEKSARSparta Community-Hunter Field33 NM SEKGREGreenville40 NM NE3LFLitchfield Municipal42 NM NE
Before you fly here
- Read the FAA Chart Supplement entry for CPS: 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 KCPS 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 2000. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.