M46

VFR

COLSTRIP

COLSTRIP · MONTANA

Elev
3,427.6'
Longest RWY
5,100'06/24
Tower
None
Status
Uncontrolled
Now--Z· METAR23:53Z
© Esri
Runways rendered from FAA survey · not for navExpand →
Before you fly into M46
Conditions
VFR
Good for visual flying
Airport
Non-towered
Self-announce on CTAF
Pattern alt
4,427.6'
MSL · field 3,427.6' + 1,000 AGL
Favored RWY
RWY 06
H/W +3 · X/W 12 kt L

METAR & TAF M46

M46 does not publish a METAR.

Showing the nearest reporting station: KMLS (FRANK WILEY FLD) · 48.5 NM away. Conditions at M46 may differ.

METAR · KMLS

Observed 23:53Z

KMLS 292353Z AUTO 36012KT 10SM FEW070 12/M05 A3016 RMK AO2 SLP222 T01171050 10133 20106 51003
Wind
360° @ 12 kt
Visibility
10 SM
Temp / Dew
12°C / -5°C
Altimeter
30.16 inHg
Clouds
FEW
Density alt
3,593 ft
Ceiling
Unlimited
Rules
VFR

Airport info & contacts

Manager on record, flight service, ARTCC, attendance schedule and pattern altitude — published by the FAA and refreshed every 28 days.

Location

From city
3 NM SW
VFR sectional
BILLINGS
ARTCC
ZLC · SALT LAKE CITY
NOTAM facility
GTF (NOTAM-D)

Airport manager

Name
BRIAN SCHWEND
Address
PO BOX 45, FORSYTH MT 59327

Flight service · Hours

FSS GTF
GREAT FALLS1-800-WX-BRIEF
Attendance
  • ON CALL

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF

Runways & pattern

Full page

Runway & wind

tap a runway
360° · 12 kt
RWY 06
062°M
Head/Tail
+3 kt
Crosswind
12 kt L

Pattern entry · RWY 06

LEFT TRAFFIC
CrosswindCrosswindDownwindDownwindBaseBaseFinalFinal45° entry45° entryRWY 06 · 062° · LEFT TRAFFICPattern 4,428 ft MSL
RunwayHeading (°M)LengthSurfaceTraffic
06/24Favored62° / 242°5,100 ftASPHStandard L

Runway end performance

EndTORATODAASDALDAVGSIApproach lightsObstruction
06PAPI 2-box left(3°)
24PAPI 2-box left(3°)

Declared distances in feet. TORA = takeoff run available, TODA = takeoff distance, ASDA = accelerate-stop, LDA = landing distance.

Airport sketch

Runways drawn to scale from FAA survey coordinates, rendered over live satellite imagery. Not for navigation.

© Esri

Approaches & charts

GPS RWY 06
M46 · IAP
Can’t preview this PDF inline. Open it →

Services on the field

Fuel grades, oxygen, maintenance, ramp storage and lighting — as declared to the FAA by the airport operator.

Fuel & services

Fuel
Not available

Ramp & ground

Transient storage
  • Tie-down
Lighting schedule
SEE RMK
Beacon schedule
SS-SR
Beacon
White / Green (civil land)(WG)
Wind indicator
Lighted
Segmented circle
Yes

Fuel & FBOs

Cheapest 100LL and Jet A on the field and nearby. Always confirm with the FBO before taxi.

Airport notes

Surface conditions, obstructions, local procedures, lighting outages and other notes published with each FAA cycle.

General notes

  • For clearance delivery, contact Salt Lake ARTCC at 801-320-2568.Show FAA
  • There are 700 foot power plant stacks located 4.5 nautical miles northeast of the airport.Show FAA
  • This is a cold temperature airport. Altitude correction is required at or below minus 34 degrees Celsius.Show FAA
  • There is a hill 1550 feet from runway 24 end, 600 feet left and 93 feet above the runway threshold.Show FAA
  • A phone is available on the airport.Show FAA

Lighting notes

  • PAPI on runways 06 and 24 is activated by CTAF. Medium intensity runway lights on runway 06/24 are preset to low intensity from dusk to 0100. After 0100, activation is by CTAF.Show FAA

VFR map & nearby airports

VFR sectional. Tap any ICAO chip to open that airport.

Key facts · M46

Answer card
ICAO
M46
Name
COLSTRIP
Location
COLSTRIP, MONTANA
Elevation
3,427.6 ft MSL
Traffic pattern altitude
4,427.6 ft MSL (1,000 AGL)
Control tower
Non-towered (use CTAF)
Total runways
1
Longest runway
06/24 · 5,100 ft
Published ILS approaches
0
Published frequencies
2
Magnetic variation
13°
Current flight rules
VFR
Current wind
360° at 12 kt
Favored runway now
RWY 06

Colstrip Airport sits in Colstrip, Montana. The field elevation is 3,427.6 ft MSL. It has one runway. Runway 06/24 is 5,100 ft long with an asphalt surface. The airport is non-towered. CTAF and UNICOM are both 122.7. No ILS approaches are published here.

The pattern altitude is not published, so use the standard 1,000 ft AGL pattern unless local guidance says otherwise. That puts the light piston pattern at about 4,428 ft MSL. Check the current FAA Chart Supplement before you go if you need to confirm any local procedure. The published remarks also call out a hill near the Runway 24 end. It sits 1,550 ft from the threshold, 600 ft left of centerline and 93 ft above the runway threshold. There are also 700 ft power plant stacks 4.5 NM northeast of the airport. This is a cold temperature airport. Altitude correction is required at or below minus 34 C. A phone is available on the airport. There are no on-field FBOs listed. Contact the airport operator directly or call the field on CTAF for current fuel and service availability before arrival.

Frequently asked questions

What is the runway at M46 Colstrip Airport?
M46 has one runway. Runway 06/24 is 5,100 ft long with an asphalt surface.
What is the pattern altitude at Colstrip Airport (M46)?
The pattern altitude is not published. Use the standard 1,000 ft AGL pattern for light piston aircraft unless local guidance says otherwise. That puts it at about 4,428 ft MSL.
Does M46 have an ILS approach?
No ILS approaches are published for M46. Check the current FAA Chart Supplement for any other instrument procedure updates before you fly.
Is Colstrip Airport towered?
No. M46 is a non-towered airport. CTAF and UNICOM are both 122.7.
What are the lighting procedures at M46?
PAPI on Runways 06 and 24 is activated by CTAF. The medium intensity runway lights are preset to low intensity from dusk to 0100. After 0100, activation is by CTAF.
Are there any terrain or obstacle concerns at M46?
Yes. A hill is published near the Runway 24 end. It is 1,550 ft from the threshold, 600 ft left of centerline and 93 ft above the runway threshold. There are also 700 ft power plant stacks 4.5 NM northeast of the airport.
What should I know about density altitude and cold weather at Colstrip?
The airport sits at 3,427.6 ft MSL, so performance planning matters year-round. The Chart Supplement also notes cold temperature correction is required at or below minus 34 C.
Which FBOs are on the field at M46?
No on-field FBOs are listed. Contact the airport operator directly before arrival. Call the field on CTAF or UNICOM for current fuel and service availability.

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