Reference only — not for real-world navigation.
KGTF
Great Falls International Airport · Great Falls
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
3,680 ft / 1,122 m
Transition Altitude
18,000 ft
Primary Channel
TWR 118.70 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
03/21 · 10,502 ft · AsphaltLIGHTED17/35 · 6,357 ft · AsphaltLIGHTED07/25 · 4,294 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Great Falls International Airport (KGTF), located in Great Falls, 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 3,680 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
Great Falls International Airport
ICAO / IATA
KGTF / GTF
Municipality
Great Falls
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
3,680 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 03 / 21
ILS EQUIPPEDLIGHTED
Runway Length: 10,502 ft / 3,201 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 45° / 225°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 45° / 225°
RWY 03 (45°)
111.30 MHz
IDENT: SMR | CRS: 32°
RWY 21 (225°)
No ILS / Visual Only
Runway 17 / 35
LIGHTED
Runway Length: 6,357 ft / 1,938 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
RWY 17 (180°)
No ILS / Visual Only
RWY 35 (360°)
No ILS / Visual Only
Runway 07 / 25
LIGHTED
Runway Length: 4,294 ft / 1,309 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 90° / 270°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 90° / 270°
RWY 07 (90°)
No ILS / Visual Only
RWY 25 (270°)
No ILS / Visual Only
A/D APP/DEP
128.60 MHz
ATIS ATIS
126.60 MHz
GND GND/CLNC DEL
121.70 MHz
OPS ANG OPS MAINT
28.89 MHz
RDO RDO
122.60 MHz
TWR TWR
118.70 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026