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ST LOUIS DOWNTOWN - Airport Diagram
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KCPS
ICAO KCPSIATA CPSLocal CPS
ST LOUIS DOWNTOWN
PublicPUB

1 miles E of CAHOKIA/ST LOUIS, IL, US
LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
38° 34' 13"N 90° 09' 18"W
Elevation
413' MSL
Pattern Alt
1413' MSL
Mag Variation
2°W
Declination
Fuel
JET A, 100LL
FSS
SAINT LOUIS (STL)
Sectional
ST LOUIS
ARTCC
KANSAS CITY (ZKC)
Data Effective
5/14/26-6/11/26
KCPS VFR
4:53 AM CDT  
Clear
10sm
46°F
44°F
30.10"Hg
Calm
AO2 SLP190 T00780067 $
METAR KCPS 140953Z AUTO 00000KT 10SM CLR 08/07 A3010 RMK AO2 SLP190 T00780067 $

KCPS FBOs

KCPS Aircraft Service & Maintenance

Parks Aviation
Phone: (618) 727-5769
No Rating Available
0 Reviews (Read | Sign In To Write)
Gulfstream Aerospace Corp.
Phone: (618) 874-4477
Fax: (618) 697-8877
Other: (800) 222-0422
No Rating Available
0 Reviews (Read | Sign In To Write)

KCPS Flight Schools & Aircraft Rental

Southwestern Illinois College
Phone: (618) 797-7393
No Rating Available
0 Reviews (Read | Sign In To Write)
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Weather and Advisory

ATIS 121.45
ASOS (618) 332-0001

Common

CTAF 119.925
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.
UNICOM 122.95

Clearance

Clearance Delivery 118.275
Clearance Delivery 121.8
WHEN TWR CLSD

Ground

DOWNTOWN GROUND 121.8
0630-2200

Tower

DOWNTOWN TOWER 119.925
0630-2200

Arrival

BUUDD STAR 119.15
DELMA STAR 128.1
DIXEE STAR 128.1
FARMR STAR 119.15

Approach

SAINT LOUIS APPROACH 123.7

Departure

SAINT LOUIS DEPARTURE 123.7

Terminal Area Forecast

KCPS
Thu, 5/14 12:20 AM CDT
Thu, 5/14 1:00 AM CDT - Fri, 5/15 1:00 AM CDT
VFR
1:00 AM CDT - 10:00 AM CDT
Sky Clear
6sm
Calm
VFR
10:00 AM CDT - 1:00 AM CDT
Sky Clear
6sm
140° 6kts
TAF KCPS 140520Z 1406/1506 00000KT P6SM SKC
   FM141500 14006KT P6SM SKC
KCPS
EffectiveExpiresCategoryNOTAM
Domestic
5/14/26
1145Z
5/14/26
2130Z
Runway!CPS 05/034 CPS RWY 30L ALS U/S 2605141145-2605142130
5/13/26
0156Z
5/31/26
0200Z
!CPS 05/033 CPS TWY B4 APCH AREA HLDG PSN SIGN BTN RWY 12L/30R AND TWY B LGT U/S 2605130156-2605310200
5/13/26
0155Z
5/31/26
0200Z
!CPS 05/032 CPS TWY B3 APCH AREA HLDG PSN SIGN BTN APCH END RWY 12L AND TWY B LGT U/S 2605130155-2605310200
5/13/26
0153Z
5/31/26
0200Z
!CPS 05/031 CPS TWY A4 APCH AREA HLDG PSN SIGN BTN TWY A AND RWY 12L/30R LGT U/S 2605130153-2605310200
5/13/26
0152Z
5/31/26
0200Z
!CPS 05/030 CPS TWY A3 APCH AREA HLDG PSN SIGN BTN APCH END RWY 12L AND TWY A LGT U/S 2605130152-2605310200
5/13/26
0150Z
5/31/26
0200Z
!CPS 05/029 CPS TWY A2, A3, A4, TWY A BTN WEST RAMP AND TWY A4, TWY B3 BTN APCH END RWY 12L AND TWY B, TWY B4 BTN RWY 12L/30R AND RWY 12R/30L, TWY C2 BTN WEST RAMP AND APCH END RWY 23 LGT U/S 2605130150-2605310200
5/11/26
1335Z
8/9/26
0400Z
!CPS 05/028 CPS OBST TOWER LGT (ASR 1025025) 382028.00N0902812.30W (20.3NM SW CPS) 1169.0FT (259.8FT AGL) U/S 2605111335-2608090400
4/15/26
1831Z
7/14/26
0400Z
!CPS 04/026 CPS OBST TOWER LGT (ASR 1252459) 381759.60N0902415.30W (20.1NM SW CPS) 784.1FT (201.1FT AGL) U/S 2604151831-2607140400
3/27/26
0101Z
6/26/26
2359Z
!CPS 03/055 CPS OBST TOWER LGT (ASR 1008671) 381606.00N0901310.00W (18.4NM S CPS) 994.1FT (272.3FT AGL) U/S 2603270101-2606262359
3/26/26
1944Z
7/1/26
1700Z
Runway!CPS 03/054 CPS RWY 30R RWY END ID LGT U/S 2603261944-2607011700
2/26/26
1537Z
5/29/26
2300Z
!CPS 02/115 CPS TWY B4 CL MARKINGS BTN RWY 12L/30R AND TWY B OBSC 2602261537-2605292300
2/26/26
1536Z
5/29/26
2300Z
!CPS 02/114 CPS TWY B5 HLDG PSN MARKINGS FOR RWY 12L/30R OBSC 2602261536-2605292300
2/26/26
1536Z
5/29/26
2300Z
!CPS 02/113 CPS TWY B7 BTN TWY B AND APCH END RWY 30R CLSD 2602261536-2605292300
2/26/26
1535Z
5/29/26
2300Z
!CPS 02/112 CPS TWY B CL MARKINGS BTN TWY B4 AND TWY B5 REMOVED 2602261535-2605292300
1/10/26
2204Z
8/31/26
2359Z
!CPS 01/024 CPS OBST TOWER LGT (ASR 1286785) 382422.20N0902147.30W (13.9NM SW CPS) 901.9FT (321.9FT AGL) U/S 2601102204-2608312359
1/8/26
2311Z
7/8/26
2359Z
!CPS 01/016 CPS OBST BLDG (ASN UNKNOWN) 383740N0901141W (3NM NW CPS) 1055FT (588FT AGL) U/S 2601082311-2607082359
12/31/25
1455Z
6/30/26
2359Z
!CPS 12/088 CPS TWY C SFC MARKING NOT STD 2512311455-2606302359
12/31/25
1455Z
6/30/26
2359Z
Runway!CPS 12/087 CPS RWY 05/23 SFC MARKING NOT STD 2512311455-2606302359
10/10/25
1541Z
!CPS 10/012 CPS OBST TOWER LGT (ASR 1003920) 382856.00N0902353.00W (12.6NM WSW CPS) 1649.3FT (1073.2FT AGL) U/S 2510101541-2610092359EST
8/29/25
0747Z
!CPS 08/031 CPS NAV ILS RWY 30L OM U/S 2508290747-2608262000EST
FDC
5/14/26
1230Z
5/21/26
1733Z
!FDC 6/0089 CPS SID ST LOUIS DOWNTOWN, CAHOKIA/ST LOUIS, IL.
GATEWAY ONE DEPARTURE...
ROSEWOOD TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
ROD VORTAC OUT OF SERVICE. 2605141230-2605211733EST
5/14/26
1230Z
5/21/26
1733Z
!FDC 6/0088 CPS SID ST LOUIS DOWNTOWN, CAHOKIA/ST LOUIS, IL. GATEWAY ONE DEPARTURE... ROSEWOOD TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS, ROD VORTAC OUT OF SERVICE. 2605141230-2605211733EST
4/28/26
1722Z
2/26/27
1722Z
!FDC 6/6476 CPS SID ST LOUIS DOWNTOWN, CAHOKIA/ST LOUIS, IL.
PLESS FIVE DEPARTURE...
NASHVILLE TRANSITION NA EXCEPT FOR AIRCRAFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
BNA VOR OUT OF SERVICE. 2604281722-2702261722EST
12/2/25
1551Z
!FDC 5/3210 CPS SID ST LOUIS DOWNTOWN, CAHOKIA/ST LOUIS, IL.
LINDBERGH NINE DEPARTURE ...
LITTLE ROCK TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS. LIT R-018 UNRELIABLE AT WEZRR. 2512021551-2711271551EST
5/19/25
2013Z
!FDC 5/2842 CPS IAP ST LOUIS DOWNTOWN, CAHOKIA/ST LOUIS, IL.
ILS OR LOC RWY 30L, AMDT 9E...
CIRCLING CAT A MDA 960/HAA 547.
2505192013-2705192013EST
Yes
ALL
BI-STATE DEVELOPMENT AGENCY
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206
Phone: 618-337-6060
SANDRA SHORE
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206
Phone: 618-337-6060
SAINT LOUIS FSS (STL)
Toll Free: 1-800-WX-BRIEF
CPS
--
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.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
High Pressure
Charter Service
Pilot Instruction
Aircraft Rental
Aircraft Sales

Runway 05/23

2799 ft. x 75 ft.
ASPH  
Fair 
NONE 
MED 
11/R/C/W/T 
12,000lbs 
-- 
-- 
-- 
  Runway 05 Runway 23
True Heading 47°227°
Traffic Pattern
Markings BSC BSC
Markings Condition POOR POOR
Latitude 38° 34' 20"N 38° 34' 39"N
Longitude 90° 10' 07"W 90° 09' 41"W
Elevation 410' 409'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights No No
Runway End Identifier Lights No No

Runway 12L/30R

5301 ft. x 75 ft.
CONC  
Fair 
NONE 
MED 
10/F/D/X/T 
30,000lbs 
30,000lbs 
-- 
-- 
  Runway 12L Runway 30R
True Heading 122°302°
Traffic Pattern Right
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 38° 34' 26"N 38° 33' 58"N
Longitude 90° 09' 30"W 90° 08' 33"W
Elevation 410' 406'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes Yes

Runway 12R/30L

7002 ft. x 150 ft.
ASPH  
Excellent 
GRVD 
HIGH 
 
96,000lbs 
125,000lbs 
182,000lbs 
-- 
  Runway 12R Runway 30L
True Heading 122°302°
Traffic Pattern Right
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 38° 34' 26"N 38° 33' 50"N
Longitude 90° 09' 54"W 90° 08' 40"W
Elevation 412' 408'
Threshold Crossing Height 49 ft. AGL 53 ft. AGL
Visual Glide Path Angle
Visual Slope Indicator P4L P4L
Approach Lights MALSR
Centerline Lights No No
Runway End Identifier Lights Yes No
A110-1WATERFOWL ON & INVOF ARPT.
A110-3BE ALERT FOR STUDENT TRNG & HEL OPS.
A110-5ALL TWYS EXCP TWY B4 PPR ACFT OVER 120000 LBS.
A110-6SFC CONDS NOT MNTD 2100-0700 LCL.
A26-CCLSD TO SKED ACR OPS GTR THAN 9 PSGR SEATS. UNSKED ACR OPS GTR THAN 30 PSGR SEATS RQR 12 HR PPR.
A30-05/23RWY 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.
A30-12L/30RRWY 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.
A30-12R/30LW.B.C. GROSS WT (2S) 160.
A37-12R/30L200 WITH PPR.
A39-12R/30LPCR VALUE: 400/F/D/X/T
A42-05_CONDSFC MARKINGS FADED.
A42-23_CONDSFC MARKINGS FADED.
A81-APTACTVT 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.
ST LOUIS DOWNTOWN (ICAO: KCPS, IATA: CPS) is a public airport located in CAHOKIA/ST LOUIS, IL, US.