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KCPS · St Louis Downtown Airport

ICAO · US · 42 NTSB events

ID KCPS FAA CPS Elev 413 ft Lat 38° 34.24' N Lon 90° 9.37' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

6 runway ends on file. Longest: 7,002 ft. Max gradient: 0.07%

Designator Heading Length Width Surface Lighting Gradient
12R 122.2° 7,002 ft 150 ft ASP Yes —
30L 302.2° 7,002 ft 150 ft ASP Yes —
12L 122.3° 5,301 ft 75 ft Concrete Yes —
30R 302.3° 5,301 ft 75 ft Concrete Yes —
05 047° 2,799 ft 75 ft ASPH-F No 0.05%
23 227° 2,799 ft 75 ft ASPH-F No 0.05%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 7 frequencies

  • ATIS ATIS 121.450
  • CLD CLNC DEL 121.800
  • GND GND 121.800
  • TWR DOWNTOWN TWR 119.925
  • CTAF CTAF 119.925
  • A/D APP/DEP 123.700
  • UNIC UNICOM 122.950

Live ATC audio (streaming + archived): Open KCPS on LiveATC ↗

Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 44 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Non-standard pattern direction on Runway 12R–30L: right traffic. Watch for traffic from the opposite quadrant.
  • ·Non-standard pattern direction on Runway 30L: right traffic. Watch for traffic from the opposite quadrant.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Non-standard pattern direction on Runway 12R–30L: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Non-standard pattern direction on Runway 30L: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (3)

  • Non-standard pattern direction on Runway 12R–30L: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · radio aids · operational

    RWY 12R–30L: H7002X150 (ASPH–GRVD) S–96, D–125, 2S–160, 2D–1…

  • Non-standard pattern direction on Runway 30L: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · radio aids · operational

    RWY 30L: MALSR. PAPI(P4L)—GA 3.0º TCH 53´. Pole. RWY 12L–30R…

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    Migratory waterfowl on and invof arpt.

Not yet translated · raw FAA text (44 sentences)
  • ·ILLINOIS 35 CONTINUED FROM PRECEDING PAGE
  • ·JOLIET (VH) (H) VOR/DME 112.3 JOT Chan 70 N41º32.79´ W88º19.10´ 041º 12.4 NM to fld. 591/2E.
  • ·VOR unusable: 072º–090º byd 34 NM blo 3,000´ 130º–175º byd 40 NM 185º–190º byd 40 NM 230º–240º byd 40 NM blo 18,000´ 230º–240º byd 43 NM 345º–060º byd 40 NM COMM/NAV/WEATHER REMARKS: Flt school ops only – 123.5 BRADFORD N41º09.58´ W89º35.27´ NOTAM FILE IKK.
  • ·(H) TACAN 114.7 BDF Chan 94 133º 12.5 NM to Marshall Co. 810/0E.
  • ·VOR portion unusable: 189º–199º blo 3,500´ btn 25 and 35 NM RCO 122.4 (KANKAKEE RADIO) BRESSON (See COMPTON on page 54) BULT FLD (See MONEE on page 72) CABBI N37º52.21´ W89º14.73´ NOTAM FILE MDH.
  • ·NDB (LOMW) 388 MD 184º 5.5 NM to Southern Illinois. 409/1W.
  • ·NDB unmonitored when ATCT clsd.
  • ·RWY 05–23: H2799X75 (ASPH) S–12 PCN 11 R/C/W/T MIRL No Part 121/Part 380 Ops RWY 05: Tree.
  • ·RWY 05: TORA–2799 TODA–2799 ASDA–2799 LDA–2799 RWY 12L:TORA–5300 TODA–5300 ASDA–5300 LDA–5300 RWY 12R:TORA–7002 TODA–7002 ASDA–7002 LDA–7002 RWY 23: TORA–2799 TODA–2799 ASDA–2799 LDA–2799 RWY 30L:TORA–7002 TODA–7002 ASDA–7002 LDA–7002 RWY 30R:TORA–5300 TODA–5300 ASDA–5300 LDA–5300
  • ·S4 FUEL 100LL, JET A OX 1 LGT ACTIVATE MALSR Rwy 30L when twr clsd—CTAF.
  • ·HIRL Rwy 12R–30L preset on med ints when twr clsd.
  • ·MIRL Rwy 12L–30R not avbl when twr clsd.
  • ·Be alert: intensive student training and helicopter operations.
  • ·Sfc conds not mntd 0300–1300Z‡.
  • ·Rwy 12R–30L 2D–200 with PPR.
  • ·Clsd to sked acr ops gtr than 9 psgr seats.
  • ·Unsked acr ops gtr than 30 psgr seats rqr 12 hr PPR.
  • ·All twys excp Twy B4 PPR acft over 120,000 lbs.
  • ·Rwy 05 and 23 sfc markings faded.
  • ·AIRPORT MANAGER: 618-337-6060
  • ·ASOS (618) 332–0001 LAWRS.
  • ·CTAF 119.925 ATIS 121.45 UNICOM 122.95 ®SAINT LOUIS APP/DEP CON 123.7 DOWNTOWN TOWER 119.925 (1230–0400Z‡) GND CON 121.8 CLNC DEL 118.275 (121.8 when twr clsd)
  • ·CLASS D svc 1230–0400Z‡; other times CLASS G.
  • ·CONTINUED ON NEXT PAGE CHICAGO H–5D, L–27C ST LOUIS ST LOUIS H–5D, L–27C, A IAP, AD EC, 22 JAN 2026 to 19 MAR 2026 36 ILLINOIS CONTINUED FROM PRECEDING PAGE
  • ·TROY (L) (L) VORTACW 116.0 TOY Chan 107 N38º44.35´ W89º55.12´ 224º 15.0 NM to fld. 576/4E.
  • ·TACAN AZIMUTH unusable: 255º–270º 300º–310º ACORE NDB (LOMW) 350 CP N38º31.19´ W90º03.56´ 304º 5.4 NM to fld. 550/0E.
  • ·LOC unmonitored when ATCT closed.
  • ·LOC unusable byd 14º rgt of course.
  • ·OM unmonitored when ATCT closed.
  • ·COMM/NAV/WEATHER REMARKS: Emerg frequency 121.5 not avbl at twr.

+ 14 more sentences · see Chart Supplement page below for the full text

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

IATA · CPS

NTSB events

42 NTSB-recorded events on file at this airport .

Total events

45

since 1982

Fatal

2

4.4% of total

Last 5 years

5

≈ 1.0/yr

Last 10 years

11

≈ 1.1/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 173,200 ops in 2000

2024 total

116,975

10-yr total

998,984

2024 mix

AC/AT 12% · GA 88% · Mil 1%

Events / million ops

11.0

last 10 years

Fatal / million ops

0.49

approximate · 10-yr scaled

Last 10 years · n=10

  • Loss of control 3
  • Gear-up landing 2
  • Other 2
  • Hard landing 1
  • Engine failure / power loss 1
  • Controlled flight into terrain 1

All time · n=42

  • Other 15
  • Gear-up landing 9
  • Loss of control 7
  • Engine failure / power loss 3
  • Weather · wind / icing / convective 2
  • Controlled flight into terrain 2
  • Ground collision 1
  • Weather · spatial dis / IMC 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2023-02-15 Piper PA-34-200T · Gear-up · VMC · day →
2024-07-24 EVEKTOR-AEROTECHNIK A S HARMONY LSA · Loss of control · VMC · day →
2023-10-02 HELICOPTERES GUIMBAL CABRI G2 · Other · VMC · day →
2023-04-09 HELICOPTERES GUIMBAL CABRI G2 · CFIT · VMC · day →
2022-07-19 HELICOPTERES GUIMBAL CABRI G2 · Loss of control · VMC · day →
2019-05-23 Guimbal Cabri · Loss of control · day →
2019-03-12 Piper PA32R · Engine failure · VMC · day →
2018-01-22 HELICOPTERES GUIMBAL CABRI G2 · Other · VMC · day →
2017-02-23 Cessna 172R · Hard landing →
2016-09-21 NEW PIPER AIRCRAFT INC PA-28R · Gear-up · VMC · night →
2016-06-07 ROBINSON HELICOPTER R22 · Other · day →
2015-09-09 BROWN MARK Space Walker · Loss of control · VMC · day →
2015-06-30 Cessna 180 · Loss of control · VMC · day →
2014-12-12 Cessna T182T · Stall / spin · VMC · day →
2014-09-19 ROBINSON HELICOPTER R22 BETA · Other · VMC · day →
2011-08-25 Cessna T210M · Gear-up · VMC · day →
2010-06-26 Cessna 180K · Gear-up · VMC · day →
2010-02-21 Piper PA 46-350P · Weather IMC · IMC · night →
2008-02-07 Piper PA-44-180 · Loss of control · night →
2008-01-23 Beech 58 · Gear-up · VMC · day →
2006-07-11 Cessna 172M · Gear-up · night →
2003-11-12 Learjet 24D · Engine failure · VMC · day →
2003-03-08 Aviat A-1 · Gear-up · VMC · day →
2003-02-16 Swearingen SA-26AT · Other · IMC · dusk →
2001-02-02 Cessna 310R · Gear-up · VMC · day →
2000-10-05 Cessna T210N · Other · day →
1999-03-18 Socata TB-9C · Loss of control · VMC · day →
1999-02-06 Socata TB 9 TAMPICO · Other · day →
1998-11-27 Piper PA-28-140 · Other · VMC · day →
1998-11-04 Mooney M20J · Other · day →
1998-09-19 Barklage REVOLUTION MINI 500 · Engine failure · VMC · day →
1998-06-27 Cessna 310R · CFIT · VMC · day →
1996-09-07 Cessna 182P · Other · IMC · day →
1989-04-25 Cessna 152 · Other · VMC · day →
1988-08-15 Beech C55 · Gear-up · VMC · day →
1988-03-10 Bell 206B · Ground collision · VMC · day →
1987-06-16 Beech 3NM · Weather · IMC · day →
1985-10-24 Cessna 152 · Weather · day →
1983-07-30 Cessna 150 · Other · day →
1983-01-19 Cessna 150M · Other · night →
1982-05-19 Cessna R182 · Other · day →
1982-02-15 Piper PA-31-310 · Other · night →

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
John Scott Saunders Cahokia IL 1 nm
Forrest Crawford Sauget IL 1 nm
James Andrew Moseley Sauget IL 1 nm
Lindsey Erin Saunders East Saint Louis IL 5 nm
John Scott Saunders St. Louis MO 6 nm
David Walter Chilenski Saint Louis MO 13 nm
Lindsey Erin Saunders Saint Louis MO 13 nm
Matthew Conrad Chesterfield MO 20 nm
Christopher Hinote Portage Des Sioux MO 23 nm
Daniel Reed Wentzville MO 37 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Isaac Joshua Faibisoff Caseyville IL 7 nm
Kevin Anthony Sander Caseyville IL 7 nm
Craig Richard O'Mara Fairview Heights IL 7 nm
Kevin Andrew Kirschke Fairview Heights IL 7 nm
Robert Lynn Mcdaniel Columbia IL 7 nm
Stephen Norman Stehlik Columbia IL 7 nm
Jeffrey Alan Mcclanahan Columbia IL 7 nm
Robert Wesley Clayton Columbia IL 7 nm
Alma Karabas Columbia IL 7 nm
Cordell Mackenzie Labrier Millstadt IL 8 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Edward Jay Schertz Cahokia IL 1 nm
Ashley Stephen How Cahokia IL 1 nm
Michael Henry Rickard Cahokia IL 1 nm
Louis Derington Jr Cahokia IL 1 nm
Frederick Lee Mahan Cahokia IL 1 nm
Emanuel Glenn Porter Cahokia IL 1 nm
George Steven Anton Cahokia IL 1 nm
John Paul Cox Cahokia IL 1 nm
Jemel Marquis Spight Cahokia IL 1 nm
James Dennis O'Hara Iii Dupo IL 4 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Aircraft Maintenance Specialties, Inc
St. Louis, MO
19 nm
AVMATS - Aviation Maintenance & Technical Support
Chesterfield, MO
24 nm
Mistwood Aviation
Chesterfield, MO
24 nm
Klem's Aero Repair
Jacksonville, IL
72 nm
Aero-Fix LLC
Pekin, IL
117 nm
Aero Turbine Maintenance
Murray, KY
143 nm
Turbines, Inc
Terre Haute, IN
143 nm
GreenWing Aviation & Welding Co.
Lacon, IL
151 nm
Pilots Ally
Walnut Ridge, AR
151 nm
Aviation Repair Technologies, LLC
Blytheville, AR
157 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.