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The Pilots Desk
Small airport

Prill Field

ICAO 1MT7🇺🇸 Sand Coulee
Coordinates
47.4211°N, 111.1590°W
Elevation
3,420 ft (1,042 m)
Type
Small airport
Region
US-MT
Time zone
Denver(UTC-06:00)
Magnetic variation
11.5° E

Daylight today(Jul 22, 2026, local time)

Civil dawn
05:14
Sunrise
05:51
Sunset
21:12
Civil dusk
21:50

About 15h 21m 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 Prill Field

Prill Field is a small airport in Sand Coulee, United States. It sits at an elevation of 3,420 ft (1,042 m) and has 1 runway, the longest 3,100 ft / 945 m. It observes America/Denver local time. The nearest airport is Great Falls International Airport (GTF), about 9.4 nm to the wnw.

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
18 / 363,100 ft / 945 m50 ftTurfUnlitOpen

Nearby airports

Great-circle distance and true bearing from Prill Field.

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 Prill Field located?

Prill Field is small airport located in Sand Coulee, United States, at an elevation of 3,420 ft (1,042 m).

How many runways does Prill Field have?

Prill Field has 1 runway, the longest being 3,100 ft / 945 m.

What time zone is Prill Field in?

Prill Field is in the America/Denver time zone (UTC-06:00).

What is the magnetic variation at Prill Field?

The magnetic variation (declination) at Prill Field is approximately 11.5° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Prill Field?

The nearest airport to Prill Field is Great Falls International Airport (GTF), about 9.4 nm to the wnw, followed by Horner Field and Reverse 5 Bar M Airport.

Is the information on this page suitable for flight planning?

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