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The Pilots Desk
Small airport

Edgar G Obie Airport

ICAO KS71Local S71🇺🇸 Chinook
Coordinates
48.5921°N, 109.2510°W
Elevation
2,416 ft (736 m)
Type
Small airport
Region
US-MT
Time zone
Denver(UTC-06:00)
Magnetic variation
10.7° E

Daylight today(Jul 18, 2026, local time)

Civil dawn
04:55
Sunrise
05:35
Sunset
21:13
Civil dusk
21:53

About 15h 38m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Edgar G Obie Airport

Edgar G Obie Airport is a small airport in Chinook, United States. It sits at an elevation of 2,416 ft (736 m) and has 1 runway, the longest 4,000 ft / 1,219 m. It observes America/Denver local time. The nearest airport is Maddox Ranch Co Airport (4U4), about 8.8 nm to the ese.

Summary generated from this airport’s structured data — reference only.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
08 / 264,000 ft / 1,219 m75 ftAspLightedOpen

Radio frequencies (1)

TypeDescriptionFrequency
UNICCTAF/UNICOM122.800 MHz

Nearby airports

Great-circle distance and true bearing from Edgar G Obie Airport.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Edgar G Obie Airport located?

Edgar G Obie Airport is small airport located in Chinook, United States, at an elevation of 2,416 ft (736 m).

How many runways does Edgar G Obie Airport have?

Edgar G Obie Airport has 1 runway, the longest being 4,000 ft / 1,219 m.

What time zone is Edgar G Obie Airport in?

Edgar G Obie Airport is in the America/Denver time zone (UTC-06:00).

What is the magnetic variation at Edgar G Obie Airport?

The magnetic variation (declination) at Edgar G Obie Airport is approximately 10.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Edgar G Obie Airport?

The nearest airport to Edgar G Obie Airport is Maddox Ranch Co Airport (4U4), about 8.8 nm to the ese, followed by Harlem Airport and Havre City County Airport.

Is the information on this page suitable for flight planning?

No. Edgar G Obie Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.