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Airport Information

FAA information as of: 2025/08/07
Airport: Benchmark (3U7)
404.8 nm from Lehman Fld on an initial heading of 50°
19 miles W of Augusta
Sectional chart: Great Falls

	Latitude	Longitude
	47° 28' 55.2"N	112° 52' 20.2"W
	47° 28.921'N	112° 52.338'W
	47.48202777°	-112.87230555°

Elevation: 5434 ft
Magnetic Variation: 18° E
Traffic Pattern Altitude: See Remarks section below
Segmented Circle: Y
Lighting:
Communications:

	CTAF and/or UNICOM:	122.9
	ARTCC:	Salt Lake City
	Flight Service Station:	1-800-WX-BRIEF

Non-commercial landing fee: N

Runway Information

	Runway: 12/30
	Dimensions: 6000 x 100 ft
	Runway treatment: NONE
	Edge lighting: None

Services
Fuel types:
Bottled oxygen:
Bulk oxygen type:
Airframe repair:
Powerplant repair:
Customs airport of entry: N
Customs landing rights: N

Contact information
Owner:

	U S Forest Service
	Lewis & Clark Natnl Forest
	Choteau, Mt 59422
	406-791-7700

Manager:

	Bjorn Troberg
	Helena & Lewis & Clark Nat Forests 2880 Skyway Drive
	Helena, Mt 59602
	(406) 495-3832

Departure airport
Lehman Fld

Aeronautical Chart
by skyvector.com

Destination airport
Benchmark

Aeronautical Chart
by skyvector.com

Airport Remarks

WI LEWIS & CLARK NATIONAL FOREST.
SNOW REMOVAL NA.
MTS PARL E & W; IN TRSN SFC.
SVCS NA.
FONE NA; CABIN 1 MI NW.
FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
3 WDI; BOTH ENDS & MIDPT.
PSBL MOD-SVR CROSSWIND & TURB.
RISES UPHILL 120 FT; RISING TRRN BYD.
RCMDD DEP COND PMTG.
+58 FT TREES ON CNTRLN.
+250 FT TREES ON CNTRLN.
33:1 TO THR. +65 FT TREES 0-150 FT R 2150 FT FM RWY END.
LRG CRACKS & WEEDS FULL LEN.