Airport information
- FAA LID
- 9S5
- Coordinates
- 45.8781, -111.5690
- Elevation
- 4,089 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- 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
- lighted
- Activated
- 1949/06
- Distance from city
- 1 SE
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 | 04:57 AM | 10:57Z |
| Sunrise | 05:36 AM | 11:36Z |
| Sunset | 09:20 PM | 03:20Z |
| Evening civil twilight Loggable night begins | 09:59 PM | 03:59Z |
Plan a flight from 9S5
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT REILS RWY 03 & 21; PAPI RWY 03 & 21; MIRL RWY 03/21 - CTAF on 122.8 — Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 02 · 024°
- Pattern
- left (turns left)
- TPA
- 5,100 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 02 at 5,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 02/20
5,100 ft × 60 ft · ASP- Heading
- 024° mag · 40° true
- Heading
- 204° mag · 220° true
| Runway | Length | Your margin |
|---|---|---|
| 02/20 | 5,100 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BZN · Bozeman | VOR-DME | 112.40 | r270° / 18.2 NM |
| HIA · Whitehall | VORTAC | 113.70 | r070° / 25.1 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Agricultural, Instruction, Parachute ops
Ownership & management
Remarks FAA
- ARPT ESTAB PRIOR TO 1959.
- OCCASIONAL AEROBATIC MANEUVERS INVOF ARPT.
- UPON DEPARTURE, ALL ACFT MUST REACH 500 FT ALTITUDE PRIOR TO MAKING ANY TURNS.
- FOR CD CTC BIG SKY APCH AT 208-364-5860/5861, IF UNABLE CTC SALT LAKE ARTCC AT 801-320-2568.
- ACTVT REILS RWY 03 & 21; PAPI RWY 03 & 21; MIRL RWY 03/21 - CTAF
- ULTRALIGHT ACTIVITY ON & INVOF ARPT.
- AUTOMATED UNICOM.
- FUEL 24 HR CREDIT CARD SVC AVBL.
Nearby airports
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 9S5 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 9S5
Three Forks Airport (9S5) is an airport in Three Forks, MT, at 4,089 ft MSL. It has 1 runway, the longest 5,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 9S5, refreshed from the Aviation Weather Center and FAA NASR.
Does 9S5 have a control tower?
No. Three Forks Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 9S5?
Three Forks Airport has 1 runway; the longest is 5,100 ft. See the Runways tab for headings, surface, and lighting.
Where is 9S5?
Three Forks Airport is in Three Forks, MT, at an elevation of 4,089 ft MSL. Coordinates: 45.8781, -111.5690.
Fly out of 9S5 often?
Save 9S5 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.