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KGTF

GTF

Great Falls International Airport · Great Falls

Key Facts

Technical summary and operational standards.

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)

Runway Summary

03/2110,502 ftAsphaltLIGHTED

17/356,357 ftAsphaltLIGHTED

07/254,294 ftAsphaltLIGHTED

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Briefing for Great Falls International Airport (KGTF), United States. This facility features 3 active runways with an elevation of 3,680 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Great Falls International Airport

ICAO / IATA

KGTF / GTF

Municipality

Great Falls

Country

Region

US-MT

GPS Coordinates

47.481998, -111.371002

Transition Altitude

18,000 ft

Official Website

—

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 03 / 21

ILSLIGHTED

Crosswind 03 Crosswind 21 TOD VDP

Length: 10,502 ft / 3,201 m
Surface: Asphalt
Heading: 45° / 225°

RWY 03

111.30 MHz

ID: SMR | CRS: 32°

RWY 21

No ILS

Runway 17 / 35

LIGHTED

Crosswind 17 Crosswind 35 TOD VDP

Length: 6,357 ft / 1,938 m
Surface: Asphalt
Heading: 180° / 360°

RWY 17

No ILS

RWY 35

No ILS

Runway 07 / 25

LIGHTED

Crosswind 07 Crosswind 25 TOD VDP

Length: 4,294 ft / 1,309 m
Surface: Asphalt
Heading: 90° / 270°

RWY 07

No ILS

RWY 25

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

ITU · NDB (Truly)371 kHz

4,201 ft · Associated: KGTF
47.365898, -111.373001

GTF · VORTAC (Great Falls)115,100 kHz

3,673 ft · Associated: KGTF
47.450001, -111.412003

GFA · TACAN (Malmstrom)115,800 kHz

3,501 ft · Associated: KGFA
47.504101, -111.181999

Communication Frequencies

ATC and advisory channels.

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

Nearby Airports

Alternatives in the vicinity.

Helena Regional Airport

Cut Bank International Airport

Lewistown Municipal Airport

Havre City County Airport

Bozeman Yellowstone International Airport

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified