Skip to content
SKYHIGH NETWORK
  • Airports
  • Events
  • News
  • Training
  • Community
DiscordSign in
  • Airports
  • Events
  • News
  • Training
  • Community
DiscordSign in

SKYHIGH NETWORK

A free virtual airspace built and run by its members. Fly real routes, work real positions, and learn on frequency from people who have done both.

All systems operational

Fly

  • Airports
  • Plan a leg
  • The map

Network

  • Events
  • Network news
  • Training
  • Operational status
  • Start flying now

Help

  • The community
  • Help and support
  • Report a bug
  • Suggest something
  • Discord

Legal

  • User Agreement
  • Code of Conduct
  • Privacy Notice

SKYHIGH ------Z NETWORK ONLINE ALL SYSTEMS NORMAL

© 2026 SkyHigh Network. A hobbyist network, not affiliated with any real world aviation authority.

Join us on Discord
All airports
KALNALN

St Louis Regional Airport

Alton/St Louis, United States

Elevation
544 ft
Runways
2
Longest
8,099 ft
Position
38.890, -90.046
!

Warning: pilot use only. For flight simulation use only. This information is not maintained to any aeronautical standard and must never be used for real world navigation or flight planning.

The field

11291735N500 m
2 runways. Point at one for its dimensions.
North up, drawn to scale from published runway threshold positions.
KSTLKBLVKSUSKALNN
3 airfields in range. Point at one for its bearing.
  • KSTL17
  • KBLV23
  • KSUS32
Rings at 15, 30 and 50 nm. 3 other airfields in range, at true bearing. Where two sit close together only the nearer one is labelled.

By the numbers

  • 14,599 ft

    Runway, all told

    2.4 nm of pavement across 2 runways

  • 317th

    Longest in United States

    of 881 airfields in the country

  • 2081st

    Longest in the world

    of 4,677 with a measured runway

  • 460th

    Highest in United States

    544 ft above sea level

  • 17 nm

    Nearest airfield

    KSTL, bearing 241

  • Asphalt

    Surface

    Every runway lit

Current weather

METAR, live from NOAA aviation weather

Fetching the latest report...

Runways

RunwayLengthWidthSurfaceLit
11/298,099 ft150 ftAsphaltYes
17/356,500 ft100 ftAsphaltYes

Frequencies

  • ATISATIS128.000
  • CLDCLNC DEL120.200
  • GNDGND120.200
  • TWRREGIONAL TWR126.000
  • A/DAPP/DEP124.200
  • AWOSAWOS 3128.000
  • RDORDO122.050

Real world frequencies, listed for reference. What is actually staffed on the network appears on the map and in the client.

Fly from here

  • Plan a leg out of KALN
  • KALN to KSTL, the nearest field

On the network

Nothing has been run at KALN yet. When an event uses this field it appears here, with what was flown and who worked it.

What is on the calendar

Nearby airfields

  • KSTLSt. Louis Lambert International Airport17 nm
  • KBLVScott AFB/Midamerica Airport23 nm
  • KSUSSpirit of St Louis Airport32 nm
  • KSPIAbraham Lincoln Capital Airport60 nm
  • KMDHSouthern Illinois Airport77 nm
  • KDECDecatur Airport79 nm

Elsewhere

  • Wikipedia

Airport, runway and frequency data from OurAirports, which is public domain. Weather from NOAA aviation weather.