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The Pilots Desk
Small airport

Colstrip Airport

ICAO KM46Local M46🇺🇸 Colstrip
Coordinates
45.8529°N, 106.7090°W
Elevation
3,426 ft (1,044 m)
Type
Small airport
Region
US-MT
Time zone
Denver(UTC-06:00)
Magnetic variation
9.1° E

Daylight today(Jul 18, 2026, local time)

Civil dawn
04:58
Sunrise
05:35
Sunset
20:52
Civil dusk
21:29

About 15h 18m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Colstrip Airport

Colstrip Airport is a small airport in Colstrip, United States. It sits at an elevation of 3,426 ft (1,044 m) and has 1 runway, the longest 5,100 ft / 1,554 m. It observes America/Denver local time. The nearest airport is Saint Labre Mission Airport (K3U4), about 23.5 nm to the se.

Summary generated from this airport’s structured data — reference only.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
06 / 245,100 ft / 1,554 m75 ftAspLightedOpen

Radio frequencies (2)

TypeDescriptionFrequency
CNTRSALT LAKE CNTR127.750 MHz
CTAFCTAF122.900 MHz

Airspace in this area(3)

NameClassTypeFloorCeiling
POWDER RIVER 1B HIGHSpecial useDanger12000 ft MSLFL180
POWDER RIVER 1B LOW 0730-12 & 18-2330 M-TH & 0730-12 F & BY NTMSpecial useDanger500 ft GND12000 ft MSL
EXCLUDED FROM POWDER RIVER 1B LOWSpecial useDanger500 ft GND1500 ft GND

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Nearby airports

Great-circle distance and true bearing from Colstrip Airport.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Colstrip Airport located?

Colstrip Airport is small airport located in Colstrip, United States, at an elevation of 3,426 ft (1,044 m).

How many runways does Colstrip Airport have?

Colstrip Airport has 1 runway, the longest being 5,100 ft / 1,554 m.

What time zone is Colstrip Airport in?

Colstrip Airport is in the America/Denver time zone (UTC-06:00).

What is the magnetic variation at Colstrip Airport?

The magnetic variation (declination) at Colstrip Airport is approximately 9.1° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Colstrip Airport?

The nearest airport to Colstrip Airport is Saint Labre Mission Airport (K3U4), about 23.5 nm to the se, followed by Tillitt Field and Hysham Airport.

Is the information on this page suitable for flight planning?

No. Colstrip Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.