KCPS
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KCPS — St Louis Downtown Airport

St Louis Downtown Airport

ToweredCahokia/St Louis, IL • 413' MSL

KCPS WeatherLive METAR & TAF

Wind Component

KCPS Runways3 runways

KCPS has 3 runways. The longest is 12R/30L at 7,002 ft × 150 ft (asphalt).

12R/30LLighted · Right traffic 12R7,002 ft × 150 ftAsphalt
12L/30RLighted · Right traffic 30R5,301 ft × 75 ftConcrete
5/23No runway lights2,799 ft × 75 ftAsphalt

FAA NASR data, cycle 2026-09-03

KCPS Field Data

KCPS field elevation is 413 ft MSL. The standard traffic pattern altitude at KCPS is 1,410 ft MSL (1,000 ft AGL). Fuel available at KCPS: 100LL, Jet A.

Field elevation413 ft MSL
Pattern altitude1,410 ft MSL1,000 ft AGL · standard
Fuel100LL, Jet AAvailability — call for price
Control towerTowered

FAA NASR data, cycle 2026-09-03

KCPS Frequencies

ATIS121.45
Clearance118.275
Clearance121.8
Ground121.8
Tower119.925
Approach/Departure123.7
CTAF119.925
UNICOM122.95

Airports Near KCPSwithin 50 nm

7IS2Aero Estates AirportBelleville, IL · 2,500' runway5.4 nmESE7IS9King AirportColumbia, IL · 2,000' runway6.8 nmSSW2IL7Ben Emge AirportBelleville, IL · 2,400' runway6.9 nmESEH49Sackman FieldColumbia, IL · 2,450' runway8.1 nmSSW1IL4Flight Park Inc AirportMillstadt, IL · 2,300' runway9.2 nmS27LLRalph Jacobs AirportValmeyer, IL · 2,350' runway14 nmSSWUS-7053Arnold UltralightportArnold, MO · 395' MSL14 nmSWKSTLSt. Louis Lambert International AirportSt Louis, MO · Towered15 nmNWKBLVScott AFB/Midamerica AirportBelleville, IL · Towered15 nmE1H0Creve Coeur AirportSt Louis, MO · 4,500' runway19 nmWNWKALNSt Louis Regional AirportAlton/St Louis, IL · Towered20 nmNNEKSUSSpirit of St Louis AirportSt Louis, MO · Towered24 nmWNW
All Illinois airports

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Frequently Asked About KCPS

Is KCPS (St Louis Downtown Airport) a towered airport?

Yes, KCPS is a towered airport with tower frequency 119.925 MHz.

What is the ATIS frequency for KCPS?

The ATIS frequency at KCPS (St Louis Downtown Airport) is 121.45 MHz.

How long is the runway at KCPS?

KCPS has 3 runways (12R/30L, 12L/30R, 5/23). The longest runway is 7,002 feet.

Which runway is longest at KCPS?

Runway 12R/30L is the longest at KCPS — 7,002 ft × 150 ft, asphalt.

What is the traffic pattern altitude at KCPS?

KCPS uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,410 feet MSL at a field elevation of 413 feet.

Does KCPS have fuel?

Yes. KCPS (St Louis Downtown Airport) has 100LL, Jet A available. Call the field for hours, self-serve availability and price.

What is the elevation of KCPS?

KCPS (St Louis Downtown Airport) has a field elevation of 413 feet MSL.

Where is KCPS located?

KCPS (St Louis Downtown Airport) is located in Cahokia/St Louis, IL.