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The Pilots Desk
Small airport

Big Flat Airport

ICAO US-12721Local ID89🇺🇸 Carmen
Coordinates
45.2785°N, 113.9013°W
Elevation
3,805 ft (1,160 m)
Type
Small airport
Region
US-ID
Time zone
Denver(UTC-06:00)
Magnetic variation
12.2° E

Daylight today(Sep 4, 2026, local time)

Civil dawn
06:30
Sunrise
07:01
Sunset
20:11
Civil dusk
20:42

About 13h 11m 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 Big Flat Airport

Big Flat Airport is a small airport in Carmen, United States. It sits at an elevation of 3,805 ft (1,160 m) and has 1 runway, the longest 1,973 ft / 601 m. It observes America/Denver local time. The nearest airport is Flying Coyote Ranch Airport (US-7561), about 3 nm to the ese.

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

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

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

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
1 / 191,973 ft / 601 m40 ftTurfUnlitOpen

Nearby airports

Great-circle distance and true bearing from Big Flat 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 Big Flat Airport located?

Big Flat Airport is small airport located in Carmen, United States, at an elevation of 3,805 ft (1,160 m).

How many runways does Big Flat Airport have?

Big Flat Airport has 1 runway, the longest being 1,973 ft / 601 m.

What time zone is Big Flat Airport in?

Big Flat Airport is in the America/Denver time zone (UTC-06:00).

What is the magnetic variation at Big Flat Airport?

The magnetic variation (declination) at Big Flat Airport is approximately 12.2° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Big Flat Airport?

The nearest airport to Big Flat Airport is Flying Coyote Ranch Airport (US-7561), about 3 nm to the ese, followed by Lewis and Clark Airstrip and 40 Acre Airstrip.

Is the information on this page suitable for flight planning?

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