| St. Louis Downtown Airport KCPS CPS (Cahokia/St Louis, IL) Class D: Tower ranked #161 with 111,959 operations Class D service 0630-2200; Other times Class G Elevation: 412 FAA video
Chart Supplement (pdf version) ST LOUIS DOWNTOWN (CPS)(KCPS)
1 E UTC–6(–5DT) N38º34.22´ W90º09.31´ 413 B ARFF Index—See Remarks NOTAM FILE CPS
RWY 12R–30L: H7002X150 (Grooved Asphalt) S–96, D–125, 2S–160, 2D–182 PCR 400 F/D/X/T HIRL RWY 12L–30R: H5301X75 (Concrete) S–30, D–30 Pavement Classification Number 10 F/D/X/T MIRL No Part 121/Part 380 Operations RWY 05–23: H2799X75 (Asphalt) S–12 Pavement Classification Number 11 R/C/W/T MIRL No Part 121/Part 380 Operations RUNWAY DECLARED DISTANCE INFORMATION
SERVICE: S4 FUEL 100LL, JET A OXYGEN 1
LIGHTING ACTIVATE MALSR Runway
30L when tower closed—CTAF. Runway End Identifier Lights Runway 30R—CTAF. HIRL Runway 12R–30L preset on medium intensity when tower closed. MIRL Runway
12L–30R not available when tower closed.
AIRPORT REMARKS: Attended continuously. Migratory waterfowl on and in the vicinity of airport. Be alert: intensive student training and helicopter operations. Surface conditions not monitored 0300–1300Z‡. Runway 12R–30L 2D–200 with Prior Permission Required. Class IV, ARFF Index A. Closed to schedule air carrier operations greater than 9 passenger seats. Unscheduled air carrier operations greater than 30 passenger seats require 12 hour Prior Permission Required. All taxiways except Taxiway B4 Prior Permission Required aircraft over 120,000 lbs. Runway 05 and 23 surface markings faded. AIRPORT MANAGER: 618-337-6060 WEATHER DATA SOURCES: ASOS (618) 332–0001 Limited Aviation Weather Reporting Station. COMMUNICATIONS: CTAF 119.925 ATIS 121.45 UNICOM 122.95 ® SAINT LOUIS APPROACH/DEPARTURE CONTROL 123.7 DOWNTOWN TOWER 119.925 (1230–0400Z‡) GROUND CON 121.8 CLEARANCE DELIVERY 118.275 (121.8 when tower closed)
AIRSPACE: CLASS D service 1230–0400Z‡; other times CLASS G. RADIO AIDS TO NAVIGATION: NOTAM FILE STL. TROY (L) (L) VORTACW 116.0
TACAN AZIMUTH unusable:
TOY Chan. 107 N38º44.35´ W89º55.12´
224º 15.0 NM to field. 576/4E.
255º–270º
300º–310º
ACORE NDB (LOMW) 350
ILS 109.1 I–CPS Runway 30L. Class IA. LOM ACORE NDB. LOC unmonitored when Air traffic control tower closed. LOC unusable beyond CP N38º31.19´ W90º03.56´ 304º 5.4 NM to field. 550/0E. NOTAM FILE CPS. 14º right of course. OM unmonitored when Air traffic control tower closed. COMM/NAV/WEATHER REMARKS: Emergency frequency 121.5 not available at tower. |
Cirrus authorized service: Parks Aviation Holdings LLC
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Database updated: 2026/03/19