Butte, Montana
KBTM Bert Mooney
Bert Mooney (KBTM) is a non-towered, public-use airport in Butte, Montana, at 5,550.5 ft MSL. It has 2 runways: 12/30 (5,100 by 75 ft, asphalt), 15/33 (9,000 by 150 ft, asphalt). Right traffic for runway 15. CTAF 123.0.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KBTM, FAA BTM
- Location
- Butte, Montana (Silver Bow County). 3 NM SE of the city center
- Elevation
- 5,550.5 ft MSL
- Position
- 45.9548° N, 112.4975° W
- Control tower
- No, non-towered
- Sectional chart
- Great Falls
- Magnetic variation
- 12° E (2020)
- Fuel
- 100, 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily DAWN-DUSK
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 12/30 | 5,100 × 75 ft | Asphalt, good condition | Medium intensity |
| 15/33 | 9,000 × 150 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 12 | Left traffic | 2-light PAPI, left | None listed | None listed | 5,100 ft |
| 30 | Left traffic | 2-light PAPI, left | None listed | None listed | 5,100 ft |
| 15 | Right traffic | 4-light PAPI, left | ILS/DME | None listed | 9,000 ft |
| 33 | Left traffic | 2-box VASI, left | None listed | None listed | 9,000 ft |
VHF
Frequencies
- CTAF
- 123.0
- UNICOM
- 123.0
Weather station
- ASOS BTM
- 135.175
Before you go
Brief KBTM in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Bert Mooney, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.