KALN · ALN

St Louis Regional Airport

St Louis Regional Airport (KALN / ALN) is a general-aviation airfield serving Alton/St Louis, Illinois. The field lies at 544 ft (166 m) above sea level and has two crossing runways, the longest 8,099 ft (2,469 m), asphalt and lit. Its nearest neighbour is Weidner Airport (4IS9), 12 nm NNE.

Alārium shows aircraft arriving at and departing from ALN in real time and in three dimensions, with current weather from the field’s own METAR, the runway the wind favours, and the movements observed there.

Watch live traffic at ALN →

Location

Elevation
544 ft (166 m)
Coordinates
38.8903, -90.0460
Serving
Alton/St Louis
Region
Illinois
Time zone
America/Chicago

Runways2 · longest 8,099 ft

Surveyed positions · north up

Drawn from published thresholds — true bearings, separations and lengths. Widths are exaggerated; at true proportion a runway is a hairline. Not a chart to navigate by.

RunwayLengthWidthSurfaceLighting
11/298,099 ft2,469 m150 ftAsphaltLit
17/356,500 ft1,981 m100 ftAsphaltLit

Nearby airfields

Nearest paved 3,000 ft
STLSt. Louis Lambert International Airport · 17 nm WSW
Airfields within 25 nm
21

Field data: OurAirports, public domain. Positions: ADS-B, which does not carry every aircraft.