Reference only — not for real-world navigation.
MT15
Fort Harrison Army Airfield · Helena
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
4,050 ft / 1,234 m
Transition Altitude
18,000 ft
Primary Channel
OPS 40.65 MHz (HELENA ARNG OPS)
Live Conversion
inHg
hPa
Flight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Fort Harrison Army Airfield (MT15), located in Helena, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 4,050 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Fort Harrison Army Airfield
ICAO / IATA
MT15 / —
Municipality
Helena
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
4,050 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 05 / 23
UNLIT
Runway Length: 2,800 ft / 853 m
Runway Width: 102 ft / 31 m
Surface Type: Grass
Heading: 67.2° / 247.2°
Runway Width: 102 ft / 31 m
Surface Type: Grass
Heading: 67.2° / 247.2°
RWY 05 (67.2°)
No ILS / Visual Only
RWY 23 (247.2°)
No ILS / Visual Only
Runway 10 / 28
UNLIT
Runway Length: 1,840 ft / 561 m
Runway Width: 97 ft / 30 m
Surface Type: Grass
Heading: 118.6° / 298.6°
Runway Width: 97 ft / 30 m
Surface Type: Grass
Heading: 118.6° / 298.6°
RWY 10 (118.6°)
No ILS / Visual Only
RWY 28 (298.6°)
No ILS / Visual Only
OPS HELENA ARNG OPS
40.65 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026