Fort Harrison Army Airfield
Daylight today(Jul 17, 2026, local time)
About 15h 25m 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 Fort Harrison Army Airfield
Fort Harrison Army Airfield is a military airport near Helena, the capital of Montana. It is part of Fort Harrison which is home to the Montana National Guard.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 05 / 23 | 2,185 ft / 666 m | 100 ft | Grs | Unlit | Open |
| 10 / 28 | 1,840 ft / 561 m | 97 ft | Grs | Unlit | Open |
Radio frequencies (1)
| Type | Description | Frequency |
|---|---|---|
| OPS | HELENA ARNG OPS | 40.650 MHz |
Airspace in this area(3)
| 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 |
| DZ PMT018 DAILY 24 HRS | Special use | Danger | GND | 14500 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 Fort Harrison Army Airfield.
Frequently asked questions
Where is Fort Harrison Army Airfield located?
Fort Harrison Army Airfield is small airport located in Helena, United States, at an elevation of 4,050 ft (1,234 m).
How many runways does Fort Harrison Army Airfield have?
Fort Harrison Army Airfield has 2 runways, the longest being 2,185 ft / 666 m.
What time zone is Fort Harrison Army Airfield in?
Fort Harrison Army Airfield is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Fort Harrison Army Airfield?
The magnetic variation (declination) at Fort Harrison Army Airfield is approximately 11.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Fort Harrison Army Airfield?
The nearest airport to Fort Harrison Army Airfield is Flying E Ranch Airport (39MT), about 1.6 nm to the ene, followed by Duncan Airport and Ten Mile Airport.
Is the information on this page suitable for flight planning?
No. Fort Harrison Army Airfield data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.