KM46

Colstrip Airport

Colstrip, MontanaElevation 3,426 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 5,100 ft

06/24
Dimensions
5,100 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0675°T
VGSIPAPI (P2L)
RWY 24255°T
VGSIPAPI (P2L)

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Colstrip Airport is in Colstrip, Montana. Field elevation 3,426 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerBRIAN SCHWEND
Manager phone406-351-1261
AttendedON CALL
CHARTS & AIRSPACE
ICAO / IATAKM46
SectionalBILLINGS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates45.8529, -106.7090
Distance from city3 NM SW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.700
UNICOM122.700
FREQUENCIES

Communications

127.75
SALT LAKE CNTR
CNTR
122.9
CTAF
CTAF
122.700
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -34C.
PHONE AVAIL ON ARPT.
700 FT POWER PLANT STACKS 4.5 NM NE OF ARPT.
HILL 1550' FM RY 24 END 600' LEFT & 93' ABOVE RY THR.
ACTVT PAPI 06 & 24 - CTAF; MIRL RWY 06/24 PRESET LOW INTST DUSK-0100; AFT 0100 ACTVT - CTAF.
FREQUENTLY ASKED
Does KM46 have a METAR?
Yes. KM46 is a METAR-reporting station; the current observation loads live on this page.
Does KM46 have a TAF?
When KM46 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KM46?
KM46 sits at 3,426 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KM46?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.