CPS
St Louis Downtown Airport
Official FAA Data Effective 2026-08-06 0901Z
From the Flight Deck
Chart Supplement
AF/D
AF/D
KCPS Airport Diagram
Airport Diagram
VFR Chart of KCPS
Sectional Charts at SkyVector.com
IFR Chart of KCPS
Enroute Charts at SkyVector.com
Location Information for KCPS
Coordinates: N38°34.22' / W90°9.30'
Located 01 miles E of Cahokia/St Louis, Illinois on 1013 acres of land. View all Airports in Illinois.
Surveyed Elevation is 412 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:April 1940
Status:Operational
Control Tower:Yes
Seg-Circle:Yes
Beacon:White-Green
(Lighted Land Airport)
Wind Indicator:Yes, Lighted
Lighting Schedule:SEE RMK
A.R.T.C.C.:KANSAS CITY
F.S.S.:SAINT LOUIS
NOTAMs Facility:CPS (NOTAM-D available)
Sectional Chart:ST LOUIS
ARFF Cert:IV A U 08/2008
CLSD TO SKED ACR OPS GTR THAN 9 PSGR SEATS. UNSKED ACR OPS GTR THAN 30 PSGR SEATS RQR 12 HR PPR.
AirspaceAnalysis:NO OBJECTION
Attendance:Continuous
Airport Communications
ATIS:121.45
ASOS: Tel. 618-332-0001
DOWNTOWN TOWER:119.925 379.3
DOWNTOWN GROUND:121.8
SAINT LOUIS APPROACH:123.7 371.875
SAINT LOUIS DEPARTURE:123.7 371.875
CLEARANCE DELIVERY:118.275 121.8 ;WHEN TWR CLSD
BUUDD STAR:119.15 335.5
FARMR STAR:119.15 335.5
CTAF:119.925
DIXEE STAR:128.1 307.05
UNICOM:122.950
DELMA STAR:128.1 307.05
D-ATIS at STL (14.7 NW):125.025
ASOS at STL (15.0 NW): 314-238-8419
ATIS at BLV (15.1 E):128.7
Nearby Navigation Aids
IDNameFreqRadial / Range
VOT SKE SCOTT 112.20 278°14.4
VOD CSX CARDINAL 116.45 140°14.6
VOT TOY TROY 116.00 223°15.0
VOT STL ST LOUIS 117.40 137°23.2
IDNameFreqBearing / Range
VOT CP ACORE 350 123°5.4
VOT FZ EAVES 227 289°19.5
VOT JD GOOEY 385 105°20.4
VOT SU SNOOP 326 278°29.1
Runway 12R/30L
W.B.C. GROSS WT (2S) 160.
Dimensions:7002 x 150 feet / 2134 x 46 meters
Surface:Asphalt / Grooved in Excellent Condition
Weight Limits:S-96, D-125, ST-182
200 WITH PPR.
PCR VALUE: 400/F/D/X/T
Edge Lighting:High Intensity
Runway 12RRunway 30L
Coordinates:N38°34.44' / W90°9.90'N38°33.83' / W90°8.66'
Elevation: 412.4 408.0
Traffic Pattern: Right
Runway Heading: 122° True 302° True
Declared Distances: TORA:7002 TODA:7002 ASDA:7002 LDA:7002 TORA:7002 TODA:7002 ASDA:7002 LDA:7002
Markings:Precision Instrument in good condition.Precision Instrument in good condition.
Glide Slope IndicatorP4L (3.00° Glide Path Angle)P4L (3.00° Glide Path Angle)
Approach Lights: MALSR 1,400 Foot Medium-intensity Approach Lighting System with runway alignment indicator lights.
REIL:Yes
Obstacles: 30 ft Tree 809 ft from runway, 487 ft left of center 29 ft Pole 1688 ft from runway, 362 ft left of center
Runway 12L/30R
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.
Dimensions:5301 x 75 feet / 1616 x 23 meters
Surface:Concrete in Fair Condition
Weight Limits:10 /F/D/X/T, S-30, D-30
Edge Lighting:Medium Intensity
Runway 12LRunway 30R
Coordinates:N38°34.43' / W90°9.49'N38°33.96' / W90°8.55'
Elevation: 410.0 406.5
Traffic Pattern: Right
Runway Heading: 122° True 302° True
Declared Distances: TORA:5300 TODA:5300 ASDA:5300 LDA:5300 TORA:5300 TODA:5300 ASDA:5300 LDA:5300
Markings:Non-Precision Instrument in fair condition.Non-Precision Instrument in fair condition.
REIL:YesYes
Obstacles: 96 ft Tree 3817 ft from runway, 254 ft left of center 72 ft Tree 2664 ft from runway, 306 ft right of center
Runway 05/23
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.
Dimensions:2799 x 75 feet / 853 x 23 meters
Surface:Asphalt in Fair Condition
Weight Limits:11 /R/C/W/T, S-12
Edge Lighting:Medium Intensity
Runway 05Runway 23
Coordinates:N38°34.34' / W90°10.11'N38°34.66' / W90°9.68'
Elevation: 410.0 408.6
Runway Heading: 47° True 227° True
Declared Distances: TORA:2799 TODA:2799 ASDA:2799 LDA:2799 TORA:2799 TODA:2799 ASDA:2799 LDA:2799
Markings:Basic in poor condition.Basic in poor condition.
Obstacles: 54 ft Tree 811 ft from runway, 58 ft right of center 72 ft Tower 1647 ft from runway, 16 ft right of center
Services Available
Fuel:100LL (blue), Jet-A
Transient Storage:Hangars,Tiedowns
Airframe Repair:MAJOR
Engine Repair:MAJOR
Bottled Oxygen:NOT AVAILABLE
Bulk Oxygen:HIGH
Other Services:CHARTER SERVICE,PILOT INSTRUCTION,AIRCRAFT RENTAL,AIRCRAFT SALES
Ownership Information
Ownership:Publicly owned
Owner:BI-STATE DEVELOPMENT AGENCY
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206-1445
618-337-6060
Manager:SANDRA SHORE
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206-1445
618-337-6060
Other Remarks
  • 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.
  • SFC MARKINGS FADED.
  • SFC MARKINGS FADED.
  • 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.