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St. Louis Downtown Airport

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Name St. Louis Downtown Airport
Region North America
Territory United States US.gif
Location Cahokia, St. Clair County, Illinois
Serving St. Louis
Elevation 125.882 m <br />413 ft <br />413 ft125.882 m <br />
Coordinates 38° 34' 20.78" N, 90° 9' 26.17" W
Designator Length Width Surface ROPS
5/23 853 m2,798.556 ft <br /> 23 m75.459 ft <br /> ASPH-F yes/yes
12L/30R 1158 m3,799.213 ft <br /> 23 m75.459 ft <br /> CON yes/yes
12R/30L 2133 m6,998.032 ft <br /> 30 m98.425 ft <br /> ASP yes/yes

Observation KCPS 171753Z 35006KT 10SM FEW030 30/21 A3009 RMK AO2 SLP185 T03000211 10300 20156 58006
Station Cahokia / St. Louis, St. Louis Downtown Airport
Date/Time 17 September 2021 17:53:00
Wind direction 350°
Wind speed 06 kts
Lowest cloud amount few clouds
Temperature 30°C
Dew point 21.1°C
Humidity 59%
Weather condition n/a

St. Louis Downtown Airport



St. Louis Downtown Airport is a public-use airport located in the St. Louis Metropolitan Area, 2 km1.08 nm <br />2,000 m <br />6,561.68 ft <br /> east of the central business district of Cahokia, in St. Clair County, Illinois, United States.

The St. Louis metropolitan area is also served by Lambert-St. Louis International Airport in St. Louis, Missouri; MidAmerica St. Louis Airport in Belleville, Illinois; St. Louis Regional Airport in Alton, Illinois; and Spirit of St. Louis Airport in Chesterfield, Missouri.


St. Louis lies in the transition between a humid subtropical and humid continental climate (Köppen climate classification Cfa/Dfa), with neither large mountains nor large bodies of water to moderate its temperature. It is subject to both cold Arctic air and hot, humid tropical air from the Gulf of Mexico. Spring is the wettest season and produces erratic severe weather ranging from tornadoes to winter storms. Summers are hot and humid. Winters are cold with periodic snow and temperatures often below freezing. Winter storm systems, can bring days of heavy freezing rain, ice pellets, and snowfall.



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Airport Layout

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Accidents & Serious Incidents at or in vicinity of KCPS

  • LJ24, vicinity Belleville Illinois USA, 2003 (On November 12, 2003, a Bombardier Learjet 24D being operated on a non scheduled flight by Multi-Aero Inc. was destroyed during a forced landing and post crash fire following a loss of power in both engines after an encounter with a flock of birds just after take off from St. Louis Downtown Airport.)