Reference only — not for real-world navigation.
1OH3
Mather Field · Castalia
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
640 ft / 195 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
09/27 · 3,400 ft · TurfUNLITFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Mather Field (1OH3), located in Castalia, 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 640 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
Mather Field
ICAO / IATA
1OH3 / —
Municipality
Castalia
Country
Region
US-OH — Ohio
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
640 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09 / 27
UNLIT
Runway Length: 3,400 ft / 1,036 m
Runway Width: 150 ft / 46 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 150 ft / 46 m
Surface Type: Turf
Heading: —° / —°
RWY 09
No ILS / Visual Only
RWY 27
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026