Reference only — not for real-world navigation.
4C1
Flying U Ranch Airport · Union Mills
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
740 ft / 226 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 2,745 ft · TURF-GUNLITFlight Planning
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Welcome to the technical flight briefing for Flying U Ranch Airport (4C1), located in Union Mills, 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 740 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
Flying U Ranch Airport
ICAO / IATA
4C1 / —
Municipality
Union Mills
Country
Region
US-IN — Indiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
740 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
UNLIT
Runway Length: 2,745 ft / 837 m
Runway Width: 100 ft / 30 m
Surface Type: TURF-G
Heading: —° / —°
Runway Width: 100 ft / 30 m
Surface Type: TURF-G
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