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KCPS St Louis Downtown Airport
Cahokia/St Louis, Illinois, USA

GOING TO CAHOKIA/ST LOUIS?


FAA INFORMATION EFFECTIVE 09 JULY 2026

Location

FAA Identifier: CPS
Lat/Long: 38-34-13.3000N 090-09-18.3000W
38-34.221667N 090-09.305000W
38.5703611,-90.1550833
(estimated)
Elevation: 412.9 ft. / 125.9 m (surveyed)
Variation: 00E (2000)
From city: 1 mile E of central business district of the associated city
Time zone: UTC -5 (UTC -6 during Standard Time)
Zip code: 62206

Airport Operations

Airport use: Open to the public
Activation date: 04/1940
Control tower: yes
ARTCC: KANSAS CITY CENTER
FSS: SAINT LOUIS FLIGHT SERVICE STATION
NOTAMs facility: CPS (NOTAM-D service available)
Attendance: CONTINUOUS
Wind indicator: lighted
Segmented circle: yes
Lights: ACTVT MALSR RWY 30L WHEN ATCT CLSD; REIL RWY 30R - CTAF. HIRL RWY 12R/30L PRESET MED INTST WHEN ATCT CLSD. MIRL RWY 12L & 30R NOT AVBL WHEN ATCT CLSD. PAPI RWY 12R & 30L OPR CONSLY.
Beacon: white-green (lighted land airport)
Operates sunset to sunrise.
Fire and rescue: ARFF index A
Airline operations: CLSD TO SKED ACR OPS GTR THAN 9 PSGR SEATS. UNSKED ACR OPS GTR THAN 30 PSGR SEATS RQR 12 HR PPR.

Airport Communications

CTAF: 119.925
UNICOM: 122.95
ATIS: 121.45
WX ASOS: PHONE 618-332-0001
DOWNTOWN GROUND: 121.8 [0630-2200]
DOWNTOWN TOWER: 119.925 379.3 [0630-2200]
SAINT LOUIS APPROACH: 123.7
SAINT LOUIS DEPARTURE: 123.7
CLEARANCE DELIVERY: 118.275 121.8 ;WHEN TWR CLSD
BUUDD STAR: 119.15
DELMA STAR: 128.1
DIXEE STAR: 128.1
FARMR STAR: 119.15
WX ASOS at STL (15 nm NW): PHONE 314-238-8419
WX AWOS-3PT at ALN (20 nm N): 128.0 (618-259-7231)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
TOYr224/15.0TROY VORTAC116.0004E
STLr138/23.2ST LOUIS VORTAC117.4001E
FTZr096/39.0FORISTELL VORTAC114.3505E

 
NDB name  Hdg/Dist  Freq  Var  ID
ACORE304/5.435000ECP -.-. .--.

Airport Services

Fuel available: 100LL JET-A
Parking: hangars and tiedowns
Airframe service: MAJOR
Powerplant service: MAJOR
Bulk oxygen: HIGH

Runway Information

Runway 12R/30L

Dimensions: 7002 x 150 ft. / 2134 x 46 m
Surface: asphalt/grooved, in excellent condition
Weight bearing capacity: 
Single wheel: 96.0
Double wheel: 125.0
Double tandem: 182.0, 200 WITH PPR.
Runway edge lights: high intensity
Operational restrictions: W.B.C. GROSS WT (2S) 160.
RUNWAY 12R  RUNWAY 30L
Latitude: 38-34.440105N38-33.825097N
Longitude: 090-09.903908W090-08.660762W
Elevation: 412.4 ft.408.0 ft.
Traffic pattern: rightleft
Runway heading: 122302
Declared distances: TORA:7002 TODA:7002 ASDA:7002 LDA:7002TORA:7002 TODA:7002 ASDA:7002 LDA:7002
Markings: precision, in good conditionprecision, in good condition
Visual slope indicator: 4-light PAPI on left (3.00 degrees glide path)4-light PAPI on left (3.00 degrees glide path)
Approach lights: MALSR: 1,400 foot medium intensity approach lighting system with runway alignment indicator lights
Runway end identifier lights: yesno
Touchdown point: yes, no lightsyes, no lights
Instrument approach: ILS
Obstructions: 30 ft. tree, 809 ft. from runway, 487 ft. left of centerline, 20:1 slope to clear29 ft. pole, 1688 ft. from runway, 362 ft. left of centerline, 36:1 slope to clear

Runway 12L/30R

Dimensions: 5301 x 75 ft. / 1616 x 23 m
Surface: concrete, in fair condition
Weight bearing capacity: 
PCN 10 /F/D/X/T
Single wheel: 30.0
Double wheel: 30.0
Runway edge lights: medium intensity
Operational restrictions: RWY 12L/30R NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. NO PART 121/PART 380 OPS EXC FOR TAX.
RUNWAY 12L  RUNWAY 30R
Latitude: 38-34.426480N38-33.960907N
Longitude: 090-09.492553W090-08.551543W
Elevation: 410.0 ft.406.5 ft.
Traffic pattern: leftright
Runway heading: 122302
Declared distances: TORA:5300 TODA:5300 ASDA:5300 LDA:5300TORA:5300 TODA:5300 ASDA:5300 LDA:5300
Markings: nonprecision, in fair conditionnonprecision, in fair condition
Runway end identifier lights: yesyes
Touchdown point: yes, no lightsyes, no lights
Obstructions: 96 ft. tree, 3817 ft. from runway, 254 ft. left of centerline, 37:1 slope to clear72 ft. tree, 2664 ft. from runway, 306 ft. right of centerline, 34:1 slope to clear

Runway 5/23

Dimensions: 2799 x 75 ft. / 853 x 23 m
Surface: asphalt, in fair condition
Weight bearing capacity: 
PCN 11 /R/C/W/T
Single wheel: 12.0
Runway edge lights: medium intensity
Runway edge markings: SFC MARKINGS FADED.
Operational restrictions: RWY 05/23 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. NO PART 121/PART 380 OPS EXC FOR TAX.
RUNWAY 5  RUNWAY 23
Latitude: 38-34.341392N38-34.656068N
Longitude: 090-10.111893W090-09.682603W
Elevation: 410.0 ft.408.6 ft.
Traffic pattern: leftleft
Runway heading: 047227
Declared distances: TORA:2799 TODA:2799 ASDA:2799 LDA:2799TORA:2799 TODA:2799 ASDA:2799 LDA:2799
Markings: basic, in poor conditionbasic, in poor condition
Runway end identifier lights: nono
Touchdown point: yes, no lightsyes, no lights
Obstructions: 54 ft. tree, 811 ft. from runway, 58 ft. right of centerline, 11:1 slope to clear72 ft. tower, lighted, 1647 ft. from runway, 16 ft. right of centerline, 20:1 slope to clear

Airport Ownership and Management from official FAA records

Ownership: Publicly-owned
Owner: BI-STATE DEVELOPMENT AGENCY
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206-1445
Phone 618-337-6060
Manager: SANDRA SHORE
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206-1445
Phone 618-337-6060

Additional Remarks

A39-12R/30L PCR VALUE: 400/F/D/X/T
WATERFOWL ON & INVOF ARPT.
BE ALERT FOR STUDENT TRNG & HEL OPS.
ALL TWYS EXCP TWY B4 PPR ACFT OVER 120000 LBS.
SFC CONDS NOT MNTD 2100-0700 LCL.

Instrument Procedures

NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.

NOT FOR NAVIGATION. Please procure official charts for flight.
FAA instrument procedures published for use from 09 July 2026 at 0901Z to 06 August 2026 at 0900Z.

 
STARs - Standard Terminal Arrivals
BUUDD THREE (RNAV) **NEW**   download (296KB)
DELMA FOUR (RNAV) **NEW**   download (266KB)
DIXEE THREE (RNAV) **NEW**   download (171KB)
FARMR THREE (RNAV) **NEW**   download (208KB)
 
IAPs - Instrument Approach Procedures
ILS OR LOC RWY 30L **CHANGED**   download (288KB)
RNAV (GPS) RWY 12R **CHANGED**   download (246KB)
RNAV (GPS) RWY 30L **CHANGED**   download (307KB)
RNAV (GPS) RWY 30R **CHANGED**   download (255KB)
NOTE: Special Alternate Minimums apply **CHANGED**   download (161KB)
 
Departure Procedures
GATEWAY ONE   2 pages: [1] [2] (507KB)
LINDBERGH NINE   2 pages: [1] [2] (343KB)
OZARK EIGHT   2 pages: [1] [2] (322KB)
PLESS FIVE   download (280KB)
NOTE: Special Take-Off Minimums/Departure Procedures apply   download (201KB)

Other nearby airports with instrument procedures:

KSTL - St Louis Lambert International Airport (15 nm NW)
KBLV - Scott Air Force Base/MidAmerica Airport (15 nm E)
1H0 - Creve Coeur Airport (19 nm NW)
KALN - St Louis Regional Airport (20 nm N)
KSUS - Spirit of St Louis Airport (24 nm W)
 
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Area around KCPS (St Louis Downtown Airport)
 
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Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of KCPS (St Louis Downtown Airport)
Photo by David Heon
looking north.

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Sectional chart

 
Airport diagram
CAUTION: Diagram may not be current
Diagram of KCPS (St Louis Downtown Airport)
Download PDF
of official airport diagram from the FAA

 
Airport distance calculator
Flying to St Louis Downtown Airport? Find the distance to fly.

From to KCPS

Sunrise and sunset
Times for 05-Aug-2026
 Local
(UTC-5)
 Zulu
(UTC)
Morning civil twilight05:3810:38
Sunrise06:0711:07
Sunset20:0601:06
Evening civil twilight20:3501:35

Current date and time
Zulu (UTC)  05-Aug-2026 18:06:42
Local (UTC-5)  05-Aug-2026 13:06:42
 
METAR
KCPS 051753Z 14007KT 10SM CLR 30/21 A3006 RMK AO2 SLP175 T03000206 10306 20200 58006 $
KSTL 
15nm NW 
051751Z AUTO VRB05KT 10SM FEW060 31/18 A3007 RMK AO2 SLP169 T03060183 10306 20233 58003 $
KBLV 
15nm E 
051655Z COR AUTO 21007KT 10SM FEW030 SCT090 30/21 A3007 RMK AO2 SLP182 T03010209 $ COR 1720
KALN 
20nm N 
051750Z VRB04KT 10SM CLR 19/19 A3008
TAF
KCPS 051737Z 0518/0618 18005KT P6SM VCSH FEW050 SCT150 FM060000 VRB05KT P6SM BKN100 FM060700 VRB05KT 3SM -TSRA SCT027 BKN080CB FM061200 VRB05KT 5SM -SHRA OVC020 FM061600 21007KT P6SM SCT025 SCT120
KSTL 
15nm NW 
051505Z 0515/0618 19006KT P6SM VCSH SCT150 FM060000 VRB04KT P6SM BKN100 FM060700 VRB04KT 3SM -TSRA BKN080CB FM061200 VRB04KT 5SM -SHRA BKN060 FM061600 24006KT P6SM BKN090
KBLV 
15nm E 
051600Z 0516/0622 19006KT 9999 SCT040 QNH2994INS BECMG 0600/0601 14006KT 9000 -SHRA VCTS BKN050CB QNH2994INS BECMG 0604/0605 21006KT 9999 NSW BKN050 QNH2998INS BECMG 0609/0610 17006KT 9000 -SHRA BKN030 QNH3001INS TEMPO 0613/0618 4800 TSRA BKN030CB OVC040 BECMG 0620/0621 20009KT 9999 NSW SCT050 QNH2999INS TX33/0521Z TN22/0611Z
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FBO, Fuel Providers, and Aircraft Ground Support

  
 Business Name 
 
 Contact 
 
 Services / Description 
 
Fuel Prices
 
Comments
  
Jet Aviation ASRI 131.35
618-646-8262
[web site]
[email]
Aviation fuel, Oxygen service, Aircraft parking (ramp or tiedown), Hangars, Passenger terminal and lounge, Aircraft maintenance, Avionics sales and service, ...
More info and photos of Jet Aviation
 
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Phillips 66
100LL Jet A
FS $9.43 $8.41 
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