Edgar G Obie (S71)

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

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Location and general information

FAA identifier: S71
FAA site number: 12295.1*A
City / state: Chinook, MT
County: Blaine
Time zone: America/Denver
Reference point: 48°35'31.60" N
109°15'02.20" W
Elevation: 2,416 ft (surveyed)
Magnetic variation: 16° E (1985)
Traffic pattern altitude: 800 ft above ground
Status: Operational
Ownership: Public, Blaine Co. Arpt. Comm.
Use: Open to the public
Airport area: 172 acres
From downtown: 1 NM west
Sectional chart: Great Falls
Activated: 12/1947

Services and facilities

Control tower: No
Attendance: All months, all days, 0700-1900
Fuel: 100LL
Airframe / engine repair: Minor / minor
Transient storage: Tie-downs
Other services: Crop dusting, charter, flight instruction
ARTCC: Salt Lake City (ZLC)
Flight service: Great Falls (GTF)
1-800-WX-BRIEF
NOTAM facility: GTF
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: Yes
Landing fee: No
Customs: No
Airport manager: Edgar Obie Jr.
(406) 799-6516
Last FAA inspection: 05/01/2026

FAA remarks

For CD contact Salt Lake ARTCC at 801-320-2568.
226 ft AGL smoke stack 1.1 miles from 26 threshold.

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

Airport facts

FAA identifier: S71
Location: Chinook, MT, United States
Elevation: 2,416 ft
Time zone: America/Denver
Coordinates: 48.59211, -109.25061

Runways

Runway	Size	Surface
08 / 26	4,000 × 75 ft	Asphalt, good

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

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