Benchmark (3U7)

Airport information: Augusta, MT, United States. Search for another airport below.

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Location and general information

FAA identifier: 3U7
FAA site number: 12256.6*A
City / state: Augusta, MT
County: Lewis and Clark
Time zone: America/Denver
Reference point: 47°28'55.30" N
112°52'20.30" W
Elevation: 5,434 ft (estimated)
Magnetic variation: 18° E (1985)
Status: Operational
Ownership: Public, U S Forest Service
Use: Open to the public
Airport area: 145 acres
From downtown: 19 NM west
Sectional chart: Great Falls
Activated: 03/1965

Services and facilities

Control tower: No
Attendance: Unattended
Transient storage: Tie-downs
ARTCC: Salt Lake City (ZLC)
Flight service: Great Falls (GTF)
1-800-WX-BRIEF
NOTAM facility: GTF
Wind indicator: Yes, unlighted
Segmented circle: Yes
Landing fee: No
Customs: No
Airport manager: Bjorn Troberg
(406) 495-3832
Last FAA inspection: 08/15/2024

FAA remarks

Snow removal NA.
MTS parallel E and W; in trsn surface.
Services NA.
Fone NA; cabin 1 miles NW.
For CD contact Salt Lake ARTCC at 801-320-2568.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

FAA identifier: 3U7
Location: Augusta, MT, United States
Elevation: 5,434 ft
Time zone: America/Denver
Coordinates: 47.48203, -112.87231

Runways

Runway	Size	Surface
12 / 30	6,000 × 100 ft	Asphalt, poor

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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