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Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Great Falls Intl (KGTF/GTF) — Great Falls, United States

At a glance

Operating hours
Open 24h
Port of entry
Yes
Fuel
100LL, Jet A
Tower
118.7
Runways
03/21, 07/25, 16/34, 17/35
Elevation
3,680 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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92% Data Complete 48 of 52 points
Missing: Contacts
Section Breakdown
Basic Info 7/7
Runways 4/4
Frequencies 4/4
Operations 2/2
Fuel 1/1
Contacts 0/2
Additional Info 8/10
Data last updated:
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Basic Airport Information

  • ICAO: KGTF
  • Name: Great Falls Intl
  • Type: medium_airport
  • Category: International
  • Latitude: 47.481998
  • Longitude: -111.371002
  • Elevation: 3680 ft
  • Country: United States
  • Municipality: Great Falls
  • IATA Code: GTF
  • FAA Code: N/A
  • FIR: N/A
  • Timezone: America/Denver
  • Distance from City: 6.5 km
  • VFR: Yes
  • IFR: Yes

Runways

Runway 03/21

  • Designation: 03/21
  • Dimensions: 10502 X 150
  • Surface: ASP
  • PCN: N/A
  • Lighting: YES
  • NAVAIDs: VORTAC, NDB
  • Approach Types: ILS OR LOC RWY 03, ILS RWY 03 (SA CAT I), ILS RWY 03 (CAT II - III), RNAV (RNP) Z RWY 03, RNAV (RNP) Z RWY 21, RNAV (GPS) Y RWY 03, RNAV (GPS) Y RWY 21, VOR RWY 03, VOR RWY 21
  • Remarks: N/A

Runway 07/25

  • Designation: 07/25
  • Dimensions: 4294 X 75
  • Surface: ASP
  • PCN: N/A
  • Lighting: YES
  • NAVAIDs: VORTAC, NDB
  • Approach Types: Not recorded
  • Remarks: N/A

Runway 16/34

  • Designation: 16/34
  • Dimensions: 6357 X 150
  • Surface: ASP
  • PCN: N/A
  • Lighting: YES
  • NAVAIDs: VORTAC, NDB
  • Approach Types: Not recorded
  • Remarks: N/A

Runway 17/35

  • Designation: 17/35
  • Dimensions: 6030 x 150 ft
  • Surface: ASP
  • PCN: N/A
  • Lighting: MIRL
  • NAVAIDs: N/A
  • Approach Types: RNAV (GPS) RWY 17, RNAV (GPS) RWY 35
  • Remarks: N/A
Source: FAA terminal procedures (d-TPP), cycle 2610, valid to 2026-10-29 09:01 UTC

See all airports with ILS approaches in United States →

Frequencies

  • Tower: 118.700 MHz
  • Ground: 121.700 MHz
  • Operations: 121.500, 122.950, 243.000 MHz
  • Traffic/Approach: N/A
  • ATIS: 126.600 MHz

Operation Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

Great Falls Intl operates 24 hours (H24). See all 24-hour airports worldwide →

  • Extra Hours On Request: Not recorded
  • Remarks: 24-hour operations

Contacts

  • AIS Tel: N/A
  • ARO Tel: N/A
  • MET Tel: N/A
  • Admin Tel: +1 406-727-3404
  • Health Tel: N/A
  • Police Tel: N/A
  • Authorities Tel: N/A
  • Website: N/A
  • Remarks: N/A

Slots / PPR

  • Slot Required: Not recorded
  • PPR Required: Not recorded
  • PPR Contact: N/A
  • Remarks: N/A

Customs

  • Open: N/A
  • Close: N/A
  • Phone: N/A
  • Extra Hours On Request: Not recorded
  • Remarks: Customs available per FAA NASR data

Fees

  • Landing Fee: None for non-commercial users Source: FAA NASR airport data, cycle 2026-10-01
  • Parking Fee: Not recorded
  • Handling Mandatory: Not recorded
  • Currency: Not recorded
  • Remarks: Not recorded

Fuel Information

Immigration

See all airports of entry in United States →

Restrictions

  • Curfew Start: N/A
  • Curfew End: N/A
  • Noise Chapter Min: Not recorded
  • Remarks: Not recorded

Alternates

KHLN

  • ICAO: KHLN
  • Name: Helena Regl
  • Distance (NM): 58.2
  • Has IFR: Yes
  • Port of Entry: Yes, with conditions: Landing rights airport: permission to land from CBP needed (19 CFR 122.14) Source: FAA NASR airport data, cycle 2026-10-01

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d
  • Overflight Permit: No
  • Landing Permit: Conditional
  • Overflight Lead Time: N/A
  • Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

A1348/26
info
Runway closed
RWY 03/21 CLSD
2026-10-14 05:00 UTC 2026-10-31 11:00 UTC
A1348/
info
Runway closed
RWY 03/21 CLSD
2026-10-14 05:00 UTC 2026-10-31 11:00 UTC
A1210/26
info
Runway closed
RWY 03/21 CLSD
2026-10-13 05:00 UTC 2026-10-31 11:00 UTC

+21 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-27 16:10 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
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Nearby Airports

1MT4 Davis Airport 52 NM 5M7 Mountain Lakes Field 54 NM 40MT Silver Creek Airport 55 NM 8MT4 Elk Meadows Ranch Airport 57 NM 58MT Galt Ranch Airport 58 NM KHLN Helena Regl 58 NM MT46 M4 Strip 60 NM MT15 Fort Harrison Army Airfield 60 NM

Compare KGTF with 1MT4 side by side →

Airport History

No milestones recorded for Great Falls Intl yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions
What are the operating hours of KGTF?
Great Falls Intl operates from 00:00 to 23:59.
What is the tower frequency at KGTF?
The tower frequency at Great Falls Intl is 118.7 MHz.
What fuel is available at KGTF?
The FAA lists 100LL, Jet A for public use at Great Falls Intl. Source: FAA NASR airport data, cycle 2026-10-01.
Does KGTF require landing permits?
It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KGTF located?
Great Falls Intl (KGTF) is located in Great Falls, United States.
What is the IATA code for KGTF?
The IATA code for Great Falls Intl is GTF.
Does KGTF have an ILS approach?
Yes, the FAA publishes ILS (Instrument Landing System) approaches at Great Falls Intl to runway 03. Source: FAA terminal procedures (d-TPP), cycle 2610, valid to 2026-10-29 09:01 UTC.
Is KGTF a port of entry?
Yes. International flights can clear customs and immigration at Great Falls Intl. Source: 19 CFR 122.13 List of international airports, 2026-10-13.
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