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Airport Information

FAA information as of: 2025/08/07
Airport: Three Forks (9S5)
1 miles SE of Three Forks
Sectional chart: Great Falls

	Latitude	Longitude
	45° 52' 41.1"N	111° 34' 9.9"W
	45° 52.686'N	111° 34.166'W
	45.87811111°	-111.56944444°

Elevation: 4089 ft
Magnetic Variation: 16° E
Traffic Pattern Altitude: See Remarks section below
Segmented Circle: Y
Lighting: See Rmk
Communications:

	CTAF and/or UNICOM:	122.8 122.8
	ARTCC:	Salt Lake City
	Flight Service Station:	1-800-WX-BRIEF

Non-commercial landing fee: N

Runway Information

	Runway: 03/21
	Dimensions: 5099 x 60 ft
	Runway treatment: NONE
	Edge lighting: MED

Services
Fuel types: 100LL
Bottled oxygen: None
Bulk oxygen type: None
Airframe repair: Major
Powerplant repair: Major
Customs airport of entry: N
Customs landing rights: N

Contact information
Owner:

	Gallatin County
	311 West Main Rm 306
	Bozeman, Mt 59715
	406-582-3000

Manager:

	Nick Bilton
	P.o. Box 978
	Three Forks, Mt 59752
	406-570-0803

Destination airport
Three Forks

Aeronautical Chart
by skyvector.com

Airport Remarks

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.