M4 Strip
Daylight today(Jul 16, 2026, local time)
About 15h 26m 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 M4 Strip
M4 Strip is a small airport in East Helena, United States. It sits at an elevation of 4,164 ft (1,269 m). It observes America/Denver local time. The nearest airport is Dog Leg Airport (US-8428), about 5.1 nm to the ene.
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 (0)
No runway data recorded for this airport.
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| HELENA CLASS D | Class D | Controlled | GND | 6400 ft MSL |
| HELENA CLASS E2 | Class E | Controlled | GND | 17999 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 M4 Strip.
Frequently asked questions
Where is M4 Strip located?
M4 Strip is small airport located in East Helena, United States, at an elevation of 4,164 ft (1,269 m).
What time zone is M4 Strip in?
M4 Strip is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at M4 Strip?
The magnetic variation (declination) at M4 Strip is approximately 11.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near M4 Strip?
The nearest airport to M4 Strip is Dog Leg Airport (US-8428), about 5.1 nm to the ene, followed by Helena Regional Airport and Flying E Ranch Airport.
Is the information on this page suitable for flight planning?
No. M4 Strip data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.