Airport information
- ICAO / IATA
- KBTM / BTM
- Coordinates
- 45.9548, -112.4970
- Elevation
- 5,550 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- BTM
- Attendance
- ALL DAWN-DUSK
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 3 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:00 AM | 11:00Z |
| Sunrise | 05:39 AM | 11:39Z |
| Sunset | 09:24 PM | 03:24Z |
| Evening civil twilight Loggable night begins | 10:03 PM | 04:03Z |
Loggable night (§1.1)
10:03 PM → 05:00 AM
Night currency (§61.57)
10:24 PM → 04:39 AM
Plan a flight from KBTM
Runway 12/30
5,100 ft × 75 ft · Asphalt (Good) 12
- Heading
- 117° mag · 129° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (4°)
- Traffic pattern
- Left
30
- Heading
- 297° mag · 309° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (4°)
- Traffic pattern
- Left
Runway 15/33
9,000 ft × 150 ft · Asphalt (Good) 15
- Heading
- 155° mag · 167° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3.5°)
- Approach lights
- MALSR
- Instrument approach
- ILS/DME
- Traffic pattern
- Right
33
- Heading
- 335° mag · 347° true
- Markings
- basic
- VGSI
- VASI (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| ASOS | 135.175 | |
| CNTR | 132.4 | SALT LAKE CITY CNTR |
| RDO | 122.2 | GREAT FALLS RDO |
| UNIC | 123 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CPN · Coppertown | VOR-DME | 111.60 | r098° / 11.5 NM |
| HIA · Whitehall | VORTAC | 113.70 | r274° / 14.8 NM |
Airport diagram
Open PDF ↗Preview diagram
Approaches
- ILS OR LOC RWY 15 ↗ · amdt 0A
- RNAV (GPS) RWY 15 ↗ · amdt 0A
- VOR-A ↗ · amdt 0
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100, 100LL, Jet A
- Bottled oxygen
- HIGH/LOW
- Bulk oxygen
- HIGH/LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Charter, Instruction, Rental, Aircraft sales
Ownership & management
Owner
BERT MOONEY, ARPT AUTH
101 AIRPORT ROAD, BUTTE, MT
406-494-3771
Manager
PAM CHAMBERLIN
101 AIRPORT RD, BUTTE, MT
406-494-3771
Remarks FAA
- PPR FOR UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS CALL AMGR 406-494-3771.
- DEER IN VICINITY OF AIRPORT.
- SNOW REMOVAL OPS IN PROGRES DURING PERIODS OF SNOW.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
- TWY D RSTD TO ACFT WITH WINGSPAN LESS THAN 100 FT WO PPR, CALL APMGR 406-494-3771.
- ACTVT MALSR RWY 15; REIL RWY 12 & 30; PAPI RWY 12 & 30; VASI RWY 33; MIRL RWY 15/33 & 12/30 - CTAF. PAPI RWY 15 OPR CONSLY.
- FEE FOR ALL COML ACFT & ACFT OVER 9000 LBS.
- PCR VALUE: 210/F/A/X/T
- PCR VALUE: 510/F/A/X/T
- PAPI UNUSBL BYD 5 DEG RIGHT OF RCL.
- PAPI RSTRD TO 2.1 NM FM RWY 30 THLD DUE TO HIGH TERRAIN. PAPI UNUSBL BYD 2 DEG RIGHT OF RCL.
- DO NOT USE VASI BYD 1.5 MI DUE TO HIGH TERRAIN.
- SURFACE CONDITIONS UNMONITORED BETWEEN MIDNIGHT AND 5 A.M.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KBTM in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.