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The Pilots Desk
Small airport

Castleberry Airport

ICAO MT45🇺🇸 Ekalaka
Coordinates
45.9089°N, 104.5760°W
Elevation
3,373 ft (1,028 m)
Type
Small airport
Region
US-MT
Time zone
Denver(UTC-06:00)
Magnetic variation
7.9° E

Daylight today(Jul 17, 2026, local time)

Civil dawn
04:49
Sunrise
05:25
Sunset
20:45
Civil dusk
21:22

About 15h 20m 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 Castleberry Airport

Castleberry Airport is a small airport in Ekalaka, United States. It sits at an elevation of 3,373 ft (1,028 m) and has 1 runway, the longest 1,100 ft / 335 m. It observes America/Denver local time. The nearest airport is Ekalaka Airport (K97M), about 2.5 nm to the se.

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
11 / 291,100 ft / 335 m40 ftTurfUnlitOpen

Airspace in this area(8)

NameClassTypeFloorCeiling
GAP B HIGH BY NOTAMSpecial useDanger12000 ft MSLFL180
GAP B LOW BY NOTAMSpecial useDanger500 ft GND12000 ft MSL
EXCLUDED FROM GAP B LOWSpecial useDanger500 ft GND1500 ft GND
POWDER RIVER 2 HIGH 0730-12 & 18-2330 M-TH & 0730-12 F & BY NTMSpecial useDanger12000 ft MSLFL180
POWDER RIVER 2 LOW 0730-12 & 18-2330 M-TH & 0730-12 F & BY NTMSpecial useDanger500 ft GND12000 ft GND
EXCLUDED FROM POWDER RIVER 2 LOWSpecial useDanger500 ft GND1500 ft GND
POWDER RIVER 3 HIGH 0730-12 & 18-2330 M-TH & 0730-12 F & BY NTMSpecial useDanger12000 ft MSLFL180
POWDER RIVER 3 LOW 0730-12 & 18-2330 M-TH & 0730-12 F & BY NTMSpecial useDanger500 ft GND12000 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Nearby airports

Great-circle distance and true bearing from Castleberry 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 Castleberry Airport located?

Castleberry Airport is small airport located in Ekalaka, United States, at an elevation of 3,373 ft (1,028 m).

How many runways does Castleberry Airport have?

Castleberry Airport has 1 runway, the longest being 1,100 ft / 335 m.

What time zone is Castleberry Airport in?

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

What is the magnetic variation at Castleberry Airport?

The magnetic variation (declination) at Castleberry Airport is approximately 7.9° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Castleberry Airport?

The nearest airport to Castleberry Airport is Ekalaka Airport (K97M), about 2.5 nm to the se, followed by Laird Ranch Airport and Tennant Ranch Airport.

Is the information on this page suitable for flight planning?

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