KALN IATA ALN Medium Airport

Airport record

St Louis Regional Airport

Alton/St Louis, Illinois, United States

WGS 84 position 38.89030°, -90.04600° Open map
FIELD ELEVATION 544 ft MSL

166 metres

REPORTED OPEN RUNWAYS 2

2 reported lighted

LONGEST REPORTED 8,099 ft

2,469 metres · 11/29

PUBLISHED COMMS 9

Source records

Runway geometry

Reported runway surfaces

TRUE headings
Runway Dimensions Surface Heading (true) Lighting Status
11/29 8,099 × 150 ft2,469 × 46 m Asphalt 113.3° / 293.3° northwest–southeast Reported lighted Reported open
17/35 6,500 × 100 ft1,981 × 30 m Asphalt 173.3° / 353.3° north–south Reported lighted Reported open

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Runway ends

Published end data

Each runway end is listed separately. Headings are true; elevations are MSL. A dash means the source did not publish a value—not zero.

Runway-end identifiers, parent runways, true headings, elevations, displaced thresholds, and published coordinates
End Runway True heading End elevation Displaced threshold Coordinates
11 LE · low-numbered end 11/29 Reported open 113.3°T 538 ft MSL164 m Not published 38.89520°, -90.05500° Open end map ↗
29 HE · high-numbered end 11/29 Reported open 293.3°T 527 ft MSL161 m Not published 38.88640°, -90.02880° Open end map ↗
17 LE · low-numbered end 17/35 Reported open 173.3°T 533 ft MSL162 m Not published 38.89850°, -90.05250° Open end map ↗
35 HE · high-numbered end 17/35 Reported open 353.3°T 544 ft MSL166 m Not published 38.88070°, -90.04990° Open end map ↗

Communications

Published frequencies

Verify before real-world use
Simulation and general reference only. Frequencies can change. Verify current values with official aeronautical publications and NOTAMs.
TypeFrequencyDescription
A/D 124.200 MHz APP/DEP
ATIS 128.000 MHz ATIS
AWOS 128.000 MHz AWOS 3
CLD 120.200 MHz CLNC DEL
CTAF 126.000 MHz CTAF
GND 120.200 MHz GND
RDO 122.050 MHz RDO
TWR 126.000 MHz REGIONAL TWR
UNIC 122.950 MHz UNICOM

Latest available source feeds

METAR, TAF & simulator ATIS

Reference and simulation use only. Automated decoding can be incomplete. This is not an official weather briefing; verify current weather, NOTAMs, charts, and authority information before any real-world operation.

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Nearby airports

All in United States
CodeAirportDistance & bearingLongest runway
KSTL St. Louis Lambert International AirportSt Louis 17 NM32 km · SW · 241° true 11,020 ft
KIND Indianapolis International AirportIndianapolis 181 NM336 km · E · 73° true 11,200 ft
KMDW Chicago Midway International AirportChicago 203 NM376 km · NE · 30° true 6,522 ft
KSDF Louisville Muhammad Ali International AirportLouisville 207 NM383 km · E · 101° true 11,887 ft
KORD Chicago O'Hare International AirportChicago 210 NM388 km · NE · 27° true 13,000 ft
KMCI Kansas City International AirportKansas City 219 NM405 km · W · 278° true 10,801 ft

Source & provenance

Data source

Airport, runway, and frequency records come from the OurAirports Public Domain dataset snapshot dated . Missing values remain missing; Runway Almanac does not invent them.