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ST LOUIS DOWNTOWN - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

KCPS
ST LOUIS DOWNTOWN
PublicPUB

1 miles E of CAHOKIA/ST LOUIS, IL
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
38° 34' 13"N 90° 09' 18"W
413' MSL
1413' MSL
00E
JET A, 100LL
SAINT LOUIS (STL)
ST LOUIS
KANSAS CITY (ZKC)
12/25/25-1/22/26
KCPS IFR
8:53 AM CST  
Mist
Overcast 1,300'
Broken 600'
5sm
53°F
50°F
29.80"Hg
160° 11kts
AO2 SLP091 T01170100 53001
METAR KCPS 081453Z 16011KT 5SM BR BKN006 OVC013 12/10 A2980 RMK AO2 SLP091 T01170100 53001
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KCPS FBOs

KCPS Aircraft Service & Maintenance

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Gulfstream Aerospace Corp.
Phone: (618) 874-4477
Fax: (618) 697-8877
Other: (800) 222-0422
No Rating Available
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Parks Aviation
Phone: (618) 727-5769
No Rating Available
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KCPS Flight Schools & Aircraft Rental

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Southwestern Illinois College
Phone: (618) 797-7393
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Processing 
122.95 119.925

ATIS

ATIS
 121.45

Clearance Delivery

CD/P
 118.275

Ground

GND/P
 121.8

Tower

LCL/P
 119.925

Terminal Area Forecast

KCPS
Thu, 1/8 8:07 AM CST
Thu, 1/8 8:00 AM CST - Fri, 1/9 6:00 AM CST
VFR
8:00 AM CST - 10:00 AM CST
Broken 20,000'
Scattered 700'
6sm
160° 8kts
Gusts 16kts
IFR
Temporary 8:00 AM CST - 10:00 AM CST
Mist
Overcast 700'
4sm
Calm
MVFR
10:00 AM CST - 12:00 PM CST
Light Rain
Overcast 6,000'
Scattered 800'
5sm
160° 10kts
Gusts 20kts
MVFR
12:00 PM CST - 3:00 PM CST
Overcast 1,500'
6sm
150° 11kts
Gusts 23kts
MVFR
3:00 PM CST - 9:00 PM CST
Light Rain
Overcast 1,500'
5sm
170° 16kts
Gusts 39kts
MVFR
9:00 PM CST - 11:00 PM CST
Rain
Broken 2,500'
4sm
Calm
VFR
9:00 PM CST - 6:00 AM CST
Broken 5,000'
Scattered 2,500'
6sm
200° 14kts
Gusts 25kts
TAF KCPS 081407Z 0814/0912 16008G16KT P6SM SCT007 BKN200
   TEMPO 0814/0816 4SM BR OVC007
   FM081600 16010G20KT 5SM -RA SCT008 OVC060
   FM081800 15011G23KT P6SM OVC015
   FM082100 17016G39KT 5SM -RA OVC015
   FM090300 20014G25KT P6SM SCT025 BKN050
   PROB30 0903/0905 4SM RA BKN025
KCPS
EffectiveExpiresCategoryNOTAM
Domestic
1/9/26
0600Z
1/9/26
1200Z
!CPS 01/009 CPS COM REMOTE TRANS/REC 121.8 U/S CALL 314-890-1017 2601090600-2601091200
1/8/26
0600Z
1/8/26
1200Z
!CPS 01/010 CPS COM REMOTE TRANS/REC 121.8 U/S CALL 314-890-1017 2601080600-2601081200
1/4/26
2313Z
1/9/26
2300Z
!CPS 01/003 CPS TWY A3 HLDG PSN SIGN EAST SIDE FOR APCH END RWY 12L LGT U/S 2601042313-2601092300
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
12/31/25
0212Z
2/1/26
0559Z
!CPS 12/084 CPS TWY B CL MARKINGS BTN TWY B4 AND TWY B5 REMOVED 2512310212-2602010559
12/31/25
0211Z
2/1/26
0559Z
!CPS 12/083 CPS TWY B5 HLDG PSN MARKINGS FOR RWY 12L/30R OBSC 2512310211-2602010559
12/31/25
0210Z
2/1/26
0559Z
!CPS 12/082 CPS TWY B4 CL MARKINGS BTN RWY 12L/30R AND TWY B OBSC 2512310210-2602010559
12/29/25
1838Z
2/27/26
2300Z
!CPS 12/081 CPS TWY B7 BTN TWY B AND APCH END RWY 30R CLSD 2512291838-2602272300
12/28/25
1601Z
3/28/26
0500Z
!CPS 12/079 CPS OBST TOWER LGT (ASR 1021677) 383531.70N0900202.30W (5.8NM ENE CPS) 1046.9FT (475.1FT AGL) U/S 2512281601-2603280500
12/18/25
2336Z
2/18/26
2359Z
!CPS 12/064 CPS OBST TOWER LGT (ASR 1044421) 383207.00N0902223.00W (10.5NM WSW CPS) 1650.3FT (1049.9FT AGL) U/S 2512182336-2602182359
11/12/25
1528Z
1/29/26
1700Z
Runway!CPS 11/031 CPS RWY 30R RWY END ID LGT U/S 2511121528-2601291700
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
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
9/23/25
1426Z
5/5/26
1426Z
!FDC 5/9038 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. 2509231426-2605051426EST
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 62206-1445
Phone: 618-337-6060
SANDRA SHORE
6100 ARCHVIEW DRIVE
CAHOKIA, IL 62206-1445
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 3° 3°
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.
ST LOUIS DOWNTOWN (ICAO: KCPS, IATA: CPS) is a public airport located in CAHOKIA/ST LOUIS, IL.