Reference only — not for real-world navigation.
MT85
Redfield Ag Strip · Opheim
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
3,100 ft / 945 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
Flight Planning
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Welcome to the technical flight briefing for Redfield Ag Strip (MT85), located in Opheim, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 0 active runways with a maximum elevation of 3,100 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
Redfield Ag Strip
ICAO / IATA
MT85 / —
Municipality
Opheim
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
3,100 ft
Pilot Toolbox
External charts, live tracking and weather reports.
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026