Reference only — not for real-world navigation.
8MI9
Winters Field · Grass Lake
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,000 ft / 305 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 1,500 ft · TurfUNLITFlight Planning
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Welcome to the technical flight briefing for Winters Field (8MI9), located in Grass Lake, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 1,000 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
Winters Field
ICAO / IATA
8MI9 / —
Municipality
Grass Lake
Country
Region
US-MI — Michigan
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,000 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
UNLIT
Runway Length: 1,500 ft / 457 m
Runway Width: 50 ft / 15 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 50 ft / 15 m
Surface Type: Turf
Heading: —° / —°
RWY 18
No ILS / Visual Only
RWY 36
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026