Reference only — not for real-world navigation.
KBTM
Bert Mooney Airport · Butte
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
5,550 ft / 1,692 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.20 MHz (GREAT FALLS RDO)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
15/33 · 9,001 ft · AsphaltLIGHTED02/20 · 5,545 ft · AsphaltUNLIT11/29 · 5,100 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Bert Mooney Airport (KBTM), located in Butte, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 5,550 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Bert Mooney Airport
ICAO / IATA
KBTM / BTM
Municipality
Butte
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
5,550 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 15 / 33
ILS EQUIPPEDLIGHTED
Runway Length: 9,001 ft / 2,744 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 167° / 347°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 167° / 347°
RWY 15 (167°)
110.90 MHz
IDENT: BEY | CRS: 155°
RWY 33 (347°)
No ILS / Visual Only
Runway 02 / 20
UNLIT
Runway Length: 5,545 ft / 1,690 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 38° / 218°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 38° / 218°
RWY 02 (38°)
No ILS / Visual Only
RWY 20 (218°)
No ILS / Visual Only
Runway 11 / 29
LIGHTED
Runway Length: 5,100 ft / 1,554 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 129° / 309°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 129° / 309°
RWY 11 (129°)
No ILS / Visual Only
RWY 29 (309°)
No ILS / Visual Only
ASOS ASOS
135.18 MHz
CNTR SALT LAKE CITY CNTR
132.40 MHz
RDO GREAT FALLS RDO
122.20 MHz
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026