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3U7
Benchmark Airport
Official FAA Data Effective 2024-10-31 0901Z
Chart Supplement
AF/D
AF/D
VFR Chart of 3U7
Sectional Charts at SkyVector.com
IFR Chart of 3U7
Enroute Charts at SkyVector.com
Location Information for 3U7
Coordinates: N47°28.92' / W112°52.34'
Located 19 miles W of Augusta, Montana on 145 acres of land. View all Airports in Montana.
Estimated Elevation is 5434 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:March 1965
Status:Operational
Control Tower:No
Seg-Circle:Yes
Beacon:None
Wind Indicator:Yes, Not Lighted
WIND INDICATOR BOTH ENDS AND MIDDLE OF RY; THREE WINDSOCKS ON FIELD.
A.R.T.C.C.:SALT LAKE CITY
F.S.S.:GREAT FALLS
NOTAMs Facility:GTF (NOTAM-D available)
Sectional Chart:GREAT FALLS
AirspaceAnalysis:NO OBJECTION
Attendance:Unattended
Airport Communications
CTAF:122.900
AWOS-2 at CII (35.1 NE):119.275 406-466-2259
AWOS-2 at 7S0 (50.0 W):119.925 406-676-2967
ATIS at MSO (60.2 SW):126.65
Nearby Navigation Aids
IDNameFreqRadial / Range
VOT GTF GREAT FALLS 115.10 256°59.5
VOD MSO MISSOULA 112.80 041°60.4
VOT HLN HELENA 117.70 312°64.7
VOD FCA KALISPELL 113.20 111°68.6
IDNameFreqBearing / Range
VOD HAU HAUSER 386 139°71.4
VOD SAK SMITH LAKE 515 300°74.5
Runway 12/30
RY 30 RECOMMENDED DEPARTURE RY CONDITIONS PERMITTING. RY 12 RISES UPHILL 120' WITH RISING TERRAIN BEYOND.
Dimensions:6000 x 100 feet / 1829 x 30 meters
Surface:Asphalt in Fair Condition
Weight Limits:S-45, D-80, ST-140
Runway 12Runway 30
Coordinates:N47°29.30' / W112°52.81'N47°28.55' / W112°51.87'
Elevation: 5316.0 5434.0
Traffic Pattern: Left Left
Runway Heading: 140° True 320° True
Markings:Basic in fair condition.Basic in fair condition.
Obstacles: 33 ft Trees 372 ft from runway
+65' TREES 0' TO 150' R, 2150' FM RY END, 33:1 TO RY END.
+58' TREES ON CENTERLINE.
 34 ft Trees 461 ft from runway
+250' TREES ON CENTERLINE.
Services Available
Fuel:NONE
Transient Storage:Tiedowns
Airframe Repair:NONE
Engine Repair:NONE
Bottled Oxygen:NONE
Bulk Oxygen:NONE
Ownership Information
Ownership:Publicly owned
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
MANAGER CELL PHONE NUMBER 406-461-1652
Other Remarks
  • <NO SNOW REMOVAL WINTERS.
  • MTNS PARALLEL E & W OF ARPT IN TRANS SURFACE.
  • <RWY SUBJ TO MODERATE TO SEVERE CROSSWINDS AND TURBULENCE
  • NO SVCS AVBL.
  • NO TELEPHONE ON FIELD. BENCHMARK CABIN LCTD 1 MILE NW OF ARPT.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
  • ARPT IS LCTD WITHIN THE LEWIS & CLARK NATIONAL FOREST.
Nearby Airports with Instrument Procedures
IDNameHeading / Distance
Choteau Airport KCII Choteau Airport 053°35.3
Ronan Airport 7S0 Ronan Airport 276°50.2
Polson Airport 8S1 Polson Airport 283°54.8
Conrad Airport S01 Conrad Airport 040°54.9
Missoula Montana Airport KMSO Missoula Montana Airport 236°60.3
Great Falls International Airport KGTF Great Falls International Airport 089°61.1
Helena Regional Airport KHLN Helena Regional Airport 144°64.0
Deer Lodge-City-County Airport 38S Deer Lodge-City-County Airport 176°65.8
Cut Bank International Airport KCTB Cut Bank International Airport 016°70.5
Glacier Park International Airport KGPI Glacier Park International Airport 312°74.8
Stevensville Airport 32S Stevensville Airport 220°75.2
Shelby Airport KSBX Shelby Airport 032°75.3