Great Falls International Airport
GTF · KGTF · Great Falls, MT · Towered · Print kneeboard
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:31 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:31 AM | 11:31Z |
| Sunrise | 06:07 AM | 12:07Z |
| Sunset | 08:55 PM | 02:55Z |
| Evening civil twilight Loggable night begins | 09:31 PM | 03:31Z |
Plan a flight from KGTF
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 17LEFT traffic
- Heading
- 167° mag · 180° true
- Dimensions
- 6,030 × 150 ft
- TPA
- 4,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (left) (3°)
- Displaced thr
- 230 ft
- CTAF
- 122.95
More details — RWY 17
- Threshold elev
- 3,640 ft
- Markings
- nonprecision
- 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
- Threshold crossing height
- 47 ft
- TDZ elevation
- 3,660 ft
- Declared TORA/TODA/ASDA/LDA
- 6,030 / 6,030 / 6,030 / 5,800 ft
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 10,502 ft | |
| 07/25 | 4,294 ft | |
| 17/35 | 6,030 ft |
Prefer one flat page? Full runway details for KGTF → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KGTF kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Great Falls”Taxi & takeoff
“Great Falls”Departure & arrival
“Great Falls”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (8 frequencies)
| Frequency | Used by |
|---|---|
| 128.6 | TRSA |
| 243.0 | EMERG |
| 269.0 | ATIS |
| 282.2 | LCL/P |
| 290.3 | APCH/S DEP/S |
| 348.6 | CD/P · GND/P |
| 379.175 | APCH/P DEP/P · TRSA |
| 380.3 | APCH/S DEP/S |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 03
| 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
GTF 115.10
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| GTF · Great Falls | VORTAC | 115.10 · 98X | High | r025° / 2.5 NM |
Prefer one flat list? All KGTF frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KGTF, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
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
- Tower hours
- 24 hours
- Airspace
- Class D
- Weather station
- ASOS · 126.6 · ☎ 406-454-7551
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Great Falls Radio (24)
- 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
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- 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 2 contacts
Remarks FAA · 12 notes
General
- 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.
Runways
- 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.
Lighting
- REIL RWY 21 OPR CONSLY WHEN RWY LGTS ARE ON. RWY LGTS CTLD BY TWR.
Embed KGTF weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KGTF — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: MT76 Smith Farms Airport (private) (6 NM) · MT33 Bair Airport (6 NM) · MT49 Horner Field (private) (8 NM) · 1MT7 Prill Field (private) (9 NM) · 31MT Reverse 5 Bar M Airport (private) (15 NM) · MT77 Peterson Ranch Airport (private) (20 NM)
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. See the Comms & NavAids section 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 section 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.
Fly out of KGTF often?
Save KGTF as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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.