TowerScope
Airports / Montana / KM46

Colstrip Airport KM46

Colstrip Airport (KM46) is a non-towered airport in Colstrip, Montana, 3,426 feet above sea level. Its one runway is 06/24, 5,100 feet of asphalt, lighted. The closest other airport on TowerScope is Tillitt Field (K1S3), 25 nautical miles north.

Runways

RunwayLengthSurfaceLighted
06/245,100 ftasphaltYes

Frequencies

Colstrip Airport weather station

  • 118.525 M46 AWOS-3PT

Colstrip no tower

  • 122.7 CTAF, UNICOM

From the FAA NASR 28-day data, cycle 2026-10-01. Check the Chart Supplement before use.

Location

45.8529, -106.7090. Field elevation 3426 ft. No control tower on file.

Nearby airports

  • K1S3 Tillitt Field 25 NM north
  • K6U7 Hysham Airport 33 NM northwest
  • KMLS Miles City Airport - Frank Wiley Field 49 NM northeast
  • K00F Broadus Airport 57 NM southeast
  • KSHR Sheridan County Airport 66 NM south
  • KBYG Johnson County Airport 88 NM south
  • KGCC Northeast Wyoming Regional Airport 103 NM southeast