Great Falls International Airport

GTF · KGTF · Great Falls, MT · 3,680 ft elevation · var 13E · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KGTF / GTF
Coordinates: 47.4820, -111.3710
Elevation: 3,680 ft MSL
Magnetic variation: 13E
Sectional chart: GREAT FALLS
Airport use: Public
Control tower: Yes
Airspace: Class D
Weather station: ASOS · 126.6 · ☎ 406-454-7551
ARTCC: SALT LAKE CITY (ZLC)
Flight service (FSS): GREAT FALLS
NOTAM facility: GTF
Attendance: ALL ALL
Beacon: white-green (SS-SR)
Segmented circle: Yes
Wind indicator: yes
FAR 139 class: I B
Customs / AOE: Yes
Activated: 1940/04
Distance from city: 3 SW

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (MDT)	UTC
Morning civil twilight Loggable night ends	04:48 AM	10:48Z
Sunrise	05:28 AM	11:28Z
Sunset	09:26 PM	03:26Z
Evening civil twilight Loggable night begins	10:07 PM	04:07Z

Loggable night (§1.1)

10:07 PM → 04:48 AM

Night currency (§61.57)

10:26 PM → 04:28 AM

Plan a flight from KGTF

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: Usually keyed on CTAF 122.95 — confirm the click sequence in the Chart Supplement ↗

Runway lighting aids — 03: 4-light PAPI (left) + ALSF2 · 21: 4-light PAPI (right) · 17: 4-light PAPI (left) · 35: 4-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 03 · 032°
Pattern: left (turns left)
TPA: 4,700 ft MSL (≈1,000 AGL)
CTAF: 122.95

Enter the left downwind for Rwy 03 at 4,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 03/21

10,502 ft × 150 ft · Asphalt (Good)

Edge lights: High. Weight bearing: Single wheel 116k, Double wheel 225k, Dual tandem 424k, Double dual tandem 915k.

Heading: 032° mag · 45° true
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: ALSF2
Instrument landing: ILS/DME · CAT III · LOC 111.3 (SMR) · GS 3.00°
Traffic pattern: Left
Approach obstacle: Road, 25 ft, 1,300 ft from threshold, 645 ft R of centerline — 43:1 slope to clear
Declared TORA/TODA/ASDA/LDA: 10,502 / 10,502 / 10,502 / 10,502 ft
End lights: centerline, TDZ

Heading: 212° mag · 225° true
Markings: precision
VGSI: 4-light PAPI (right) (3°)
Traffic pattern: Left
Declared TORA/TODA/ASDA/LDA: 10,502 / 10,502 / 10,502 / 10,502 ft
End lights: REIL, centerline

Runway 07/25

4,294 ft × 75 ft · ASP

Heading: 077° mag · 90° true

Heading: 257° mag · 270° true

Runway 17/35

6,030 ft × 150 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 87k, Double wheel 140k, Dual tandem 245k, Double dual tandem 245k.

Heading: 167° mag · 180° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Road, 10 ft, 345 ft from threshold, 266 ft L of centerline — 14:1 slope to clear · penetrates the 20:1 visual approach surface
Declared TORA/TODA/ASDA/LDA: 6,030 / 6,030 / 6,030 / 5,800 ft
Displaced threshold: 230 ft

Heading: 347° mag · 360° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Declared TORA/TODA/ASDA/LDA: 5,400 / 5,400 / 5,400 / 5,400 ft

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
03/21	10,502 ft
07/25	4,294 ft
17/35	6,030 ft

Communication frequencies

Service	Frequency	Notes
LCL/P	118.7
EMERG	121.5
CD/P	121.7
GND/P	121.7
UNICOM	122.95
ATIS	126.6
APCH/P DEP/P	128.6
TRSA	128.6
EMERG	243.0
ATIS	269.0
LCL/P	282.2
APCH/S DEP/S	290.3
CD/P	348.6
GND/P	348.6
APCH/P DEP/P	379.175
TRSA	379.175
APCH/S DEP/S	380.3
GTF ASOS	126.6
GREAT FALLS RCO	122.3
GTF VORTAC	115.1/98X

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

Runway	ILS
RWY 03	ILS/DME · CAT III · LOC 111.3 (SMR) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
GTF · Great Falls	VORTAC	115.10	r025° / 2.5 NM
GFA · Malmstrom	TACAN	115.80	r243° / 7.8 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches11

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KGTF on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A
Bottled oxygen: HIGH/LOW
Bulk oxygen: HIGH/LOW
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Air freight, Agricultural, Avionics, Cargo, Charter, Instruction, Rental, Aircraft sales

Ownership & management

Owner

GREAT FALLS INTL ARPT AUTH

2800 TERMINAL DR, GREAT FALLS, MT

406-727-3404

Manager

JOHN FAULKNER

2800 TERMINAL DRIVE, GREAT FALLS, MT

406-727-3404

Remarks FAA

INDEX LEVEL C ARFF CAPABILITY IS AVBL AT ALL TIMES.
MILITARY: ANG: OPR 1400-2330Z++ MON-THU, LTD FRI, CLOSED SAT-SUN AND HOL. BASE OPS DSN 791-0192, C406-791-0192. NO TRAN SVC SAT, SUN, HOL OR AFTER 2300Z++ MON-FRI. ACFT RQR ASSISTANCE CTC 288.9. RCR INFO AVBL FR BASE OPS.
MILITARY: ANG: LTD TRAN SVC ONLY AVBL FOR ACFT PARTICIPATING IN ANG OPS WITH PRIOR COORDINATION (PPR).
BIRDS ON AND INVOF ARPT.
MILITARY: ANG: USAF BASH - EXP INCREASED MIGRATORY WATERFOWL ACT (PHASE II) MAR-MAY AND SEP-DEC, SR-.5 TO SS+.5.
MILITARY: ANG: NSTD WHITE EQPT TOOL BOX LCTN PAINTED ON RAMP.
MILITARY: ANG: FUEL: A++ AVBL AT ANG.
TWY C UNRSTD WT AND AVBL FOR TAXIING ACFT.
REIL RWY 21 OPR CONSLY WHEN RWY LGTS ARE ON. RWY LGTS CTLD BY TWR.
FOR DC-10-40 AND B747.
PCR VALUE: 5290/F/B/X/T
PCR VALUE: 300/F/B/X/U
PAPI UNUSBL BYD 9 DEGS RIGHT OF CNTRLN.

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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 KGTF in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About KGTF

Great Falls International Airport (GTF · KGTF) is an airport in Great Falls, MT, at 3,680 ft MSL. It has 3 runways, the longest 10,502 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KGTF, refreshed from the Aviation Weather Center and FAA NASR.

Does KGTF have a control tower?

Yes. Great Falls International Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KGTF?

Great Falls International Airport has 3 runways; the longest is 10,502 ft. See the Runways tab for headings, surface, and lighting.

Where is KGTF?

Great Falls International Airport is in Great Falls, MT, at an elevation of 3,680 ft MSL. Coordinates: 47.4820, -111.3710.

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