FAA Information Effective: Jul 10, 2025
All information is provided from the FAA unless otherwise noted.
(9S5) Three Forks Airport
No ratings | No reviews
Three Forks, MT
(406) 570-0803
Overview
Attendance:
Attended
Year-round, 7 Days a Week,All
FAA
Runways:
03/21
Runway length: 5,099 ft (1,554 m)
Elevation:
4,089 ft (Surveyed)
Tower:
No
Airspace:
Unknown
Fees:
None
Timezone:
MDT (UTC-06:00)
Sunrise-Sunset:
5:59 am - 9:08 pm
Evening-Morning Civil Twilight:
9:44 pm
(Today)
(Today)
-
5:24 am
(Tomorrow)
(Tomorrow)
Minimum Fuel Prices:
$5.50
100LL (full)
$5.50
100LL (self)
FBOs
Submit New FBO
Flight Training
Submit New Flight School
Other businesses
Submit New Business
AOPA Travel Discounts 
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Local Food/Lodging/Activities
Local Attractions
Local Activities
Restaurants
Hotels and Lodging
Travel Discounts
Three Forks of the Missouri Historical Marker
(406) 285-6515
(406) 285-4843
Stageline Pizza
(406) 285-4866
Plaza Bar
(406) 285-9880
(406) 285-4455
9S5
Three Forks of the Missouri Historical Marker
Headwaters Heritage Museum
Lewis and Clark Caverns
Madison River
Headwaters Public Golf Course
Sacajawea Hotel
Three Forks Cafe
Stageline Pizza
Plaza Bar
Iron Horse Cafe
Flying Clubs
Submit New Flying Club
Runway 03/21
Dimensions:
5,099 × 60 ft
(1,554 × 18 m)
(1,554 × 18 m)
Weight Bearing Cap:
Single wheel: 12,000 lbs
Surface:
asphalt, no surface treatment, in good condition
Runway Edge Lights:
Medium
Comments:
n/a
| Designator: | 03 | 21 |
| Elevation: | 4,089.2 ft | 4,080.7 ft |
| Heading: | 024° magnetic 040° true | 204° magnetic 220° true |
| Gradient: | 0.17% down | 0.17% up |
| Traffic Pattern: | Not provided. Assume LEFT traffic pattern | Not provided. Assume LEFT traffic pattern |
| Markings: | basic, in Good condition | basic, in Good condition |
| Approach Lighting: |
|
|
| Displaced Threshold: | n/a | n/a |
| ILS/LOC: | n/a | n/a |
| Obstructions: | n/a | n/a |
| Comments: | n/a | n/a |
TFRs
Location: 9S5
Please verify all content below using the FAA TFR Search Site or with a flight briefer.
TFR count: 0
NOTAMs
Location: 9S5
Please verify all content below using the FAA NOTAM Search Site or with a flight briefer.
NOTAM count: 2
| Number: | Start Date: (UTC) | End Date: (UTC) | Condition: |
|---|---|---|---|
| 05/157 | 05/28/2025 1753 | 08/31/2025 2359 | RWY 03 CLSD TO TGL |
| 04/144 | 05/01/2025 1500 | 11/01/2025 1500 | AIRSPACE PJE WI ANREA DEFINED AS 5NM RADIUS OF 9S5 SFC-15000FT |
Additional Remarks
For Clearance Delivery Contact Big Sky Approach at 208-364-5860/5861, If Unable CTC Salt Lake ARTCC at 801-320-2568.
Source:
FAA
Federal Aviation Administration
Occasional Aerobatic Maneuvers In vicinity of Arpt.
Source:
FAA
Federal Aviation Administration
Upon Departure, All Acft Must Reach 500 Ft Altitude Prior to Making Any Turns.
Source:
FAA
Federal Aviation Administration
SuperAWOS/Automated UNICOM avbl (AUNICOM) 3 clicks for WX 4 clicks for radio check
Source:
AM
Airport Manager
Noise Abatement
Instrument Procedures
Data Cycle:
Operations & More Information
Lat/Long:
- 45.87811, -111.56944
- 45° 52′ 41.2″ N, 111° 34′ 10.0″ W
- 45° 52.687′ N, 111° 34.167′ W
ARTCC:
Salt Lake City (ZLC)
App/Depart Control Facility:
Unknown
Chart:
NACO: Great Falls Sectional
FSS:
Great Falls (GTF)
1-800-WX-BRIEF
1-800-WX-BRIEF
Wind Indicator:
Lighted
Mag Var:
16E (1985)
NOTAM Facility:
Seg Circle:
Yes
Beacon:
Present
Lighting:
Pilot Activated Lighting:
- low intensity: 3 clicks in 5 secs
- medium intensity: 5 clicks in 6 secs
- high intensity: 7 clicks in 7 secs
AM
Actvt REILs Rwy 03 & 21; PAPI Rwy 03 & 21; MIRL Rwy 03/21 - CTAF
FAA
Pattern Altitude:
No data provided. Assume 1000 AGL.
Special Operations:
Communications Card
| Type: | Frequency / Phone: | Sector / Comments: | Call Sign: |
|---|---|---|---|
| Clearance Delivery Phone | (208) 364-5860 | Big Sky Approach | |
| Clearance Delivery Phone | (801) 320-2568 | When Approach Closed | Salt Lake ARTCC |
| CTAF | 122.8 | ||
| UNICOM | 122.8 |
Navaids
Services
Fuel:
100LL Low-Lead
AM
Engine Repair:
Major
AM
Airframe Repair:
Major
AM
Bottled Oxygen:
None
Bulk Oxygen:
None
Customs:
None
Transportation:
Courtesy Transportation
AM
Activities:
Intensive Flight Training
AM
Camping On Field:
None Reported
Aircraft & Activity
Webcams
METARs
TAFs
Contact Addresses
Airport Manager
Nick Bilton
Three Forks, MT 59752
(406) 570-0803 (Office)
Owner
Gallatin County
Bozeman, MT 59715
(406) 582-3000 (Office)