Reference only — not for real-world navigation.
KI54
Mad River Airpark · Tremont City
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
958 ft / 292 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 123.00 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
09/27 · 3,405 ft · GrassLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Mad River Airpark (KI54), located in Tremont City, 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 958 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
Mad River Airpark
ICAO / IATA
KI54 / —
Municipality
Tremont City
Country
Region
US-OH — Ohio
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
958 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09 / 27
LIGHTED
Runway Length: 3,405 ft / 1,038 m
Runway Width: 110 ft / 34 m
Surface Type: Grass
Heading: 90° / 270°
Runway Width: 110 ft / 34 m
Surface Type: Grass
Heading: 90° / 270°
RWY 09 (90°)
No ILS / Visual Only
RWY 27 (270°)
No ILS / Visual Only
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026