Colstrip Airport (M46)

M46
Colstrip Airport (M46)
Colstrip, MT
Location & QuickFacts
FAA Information Effective 2026-07-09
Airport Identifier M46
Airport Status Operational
Longitude/Latitude 106°42'33.4000" W / 45°51'10.2000" N
-106.709278 / 45.852833 (Estimated)
Elevation 3427.60 ft / 1044.73 m (Surveyed)
Land 188 acres
From nearest city 3 nautical miles SW of Colstrip, MT
Location Rosebud County, MT
Magnetic Variation 13E (1995)
Owner & Manager
Ownership Publicly owned
Owner COUNTY OF ROSEBUD
Address PO BOX 47
FORSYTH, MT 59327
Phone number 406-346-2251
Manager BRIAN SCHWEND
Address PO BOX 45
FORSYTH, MT 59327
Phone number 406-351-1261
Airport Operations and Facilities
Airport Use Open to public
Wind indicator Yes
Segmented Circle Yes
Control Tower NON-ATCT
Lighting Schedule SEE RMK
Beacon Color White-Green (lighted land airport)
Sectional chart BILLINGS
Region ANM - Northwest Mountain
Responsible ARTCC ZLC - SALT LAKE CITY
Tie-in FSS GTF - GREAT FALLS
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
NOTAMs Facility GTF (NOTAM-d service available)
Airport Communications
CTAF 122.7 MHz
UNICOM 122.7 MHz
AWOS-3PT M46 (406-748-3849)
Airport Services
Transient storage Tiedown
Runway Information
Runway 06/24
Dimensions 5100 x 75 ft (1554 x 23 m)
Surface ASPH (GOOD)
Surface treatment
Edge lights Medium
06 24
Alignment 75° 255°
Physical elevation 3427.60 ft 3383.40 ft
Coordinates 45.850985 / -106.718919 45.854707 / -106.699630
Traffic pattern Left Left
Runway marking Non-precision instrument , Good Condition Non-precision instrument , Good Condition
VGSI 2-light PAPI on left 2-light PAPI on left
Remarks
  • HILL 1550' FM RY 24 END 600' LEFT & 93' ABOVE RY THR.
  • 700 FT POWER PLANT STACKS 4.5 NM NE OF ARPT.
  • PHONE AVAIL ON ARPT.
  • COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -34C.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.