KCPS · CPS
St Louis Downtown Airport
St Louis Downtown Airport (KCPS / CPS) is a general-aviation airfield serving Cahokia/St Louis, Illinois. The field lies at 413 ft (126 m) above sea level and has three runways, the longest 7,002 ft (2,134 m), asphalt and lit. Its nearest neighbour is Aero Estates Airport (7IS2), 5 nm ESE.
St Louis Downtown Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 413 ft (126 m)
- Coordinates
- 38.5707, -90.1562
- Serving
- Cahokia/St Louis
- Region
- Illinois
- Time zone
- America/Chicago
Runways3 · longest 7,002 ft
The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 12R/30L | 7,002 ft2,134 m | 150 ft | Asphalt | Lit |
| 12L/30R | 5,301 ft1,616 m | 75 ft | Concrete | Lit |
| 05/23 | 2,799 ft853 m | 75 ft | Asphalt | — |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.