Reference only — not for real-world navigation.
KM46
Colstrip Airport · Colstrip
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
3,426 ft / 1,044 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
06/24 · 5,100 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Colstrip Airport (KM46), located in Colstrip, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 3,426 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Colstrip Airport
ICAO / IATA
KM46 / —
Municipality
Colstrip
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
3,426 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 06 / 24
LIGHTED
Runway Length: 5,100 ft / 1,554 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 75° / 255°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 75° / 255°
RWY 06 (75°)
No ILS / Visual Only
RWY 24 (255°)
No ILS / Visual Only
CNTR SALT LAKE CNTR
127.75 MHz
CTAF CTAF
122.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026