ALN

St Louis Regional Airport

ICAO KALN38.8903°N 90.0460°W544 ft / 166 mMedium airport
On the map

St Louis Regional Airport (IATA: ALN, ICAO: KALN) is a medium airport in Alton/St Louis, Illinois, United States. It opened in Apr 1940. It has 2 runways; the longest is 8,099 ft (2,469 m).

Timeline

1 event · 1940–1940
APR 1940
OpenedSt Louis Regional Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
11/29113° / 293° · LIT
LENGTH8,099 ft2,469 mWIDTH150 ft46 mSURFACEAsphalt
17/35173° / 353° · LIT
LENGTH6,500 ft1,981 mWIDTH100 ft31 mSURFACEAsphalt

Records & rankings

Ranked among 48,011 open airports · world · region · country
Longest runway8,099 ft2,469 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft#2,637of 29,823 · #524 North America · #388 USElevation544 ft166 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft#26,339of 43,341 · #12,642 North America · #10,555 USAgeOpened 19402026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,114of 15,079 · =366 North America · =338 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

9 channels
A/DAPP/DEP124.200
ATISATIS128.000
AWOSAWOS 3128.000
CLDCLNC DEL120.200
CTAFCTAF126.000
GNDGND120.200
RDORDO122.050
TWRREGIONAL TWR126.000
UNICUNICOM122.950