Reference only — not for real-world navigation.
KN71
Donegal Springs Airpark · Mount Joy/Marietta
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
458 ft / 140 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
10/28 · 3,250 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Donegal Springs Airpark (KN71), located in Mount Joy/Marietta, 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 458 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
Donegal Springs Airpark
ICAO / IATA
KN71 / —
Municipality
Mount Joy/Marietta
Country
Region
US-PA — Pennsylvania
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
458 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 10 / 28
LIGHTED
Runway Length: 3,250 ft / 991 m
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 85° / 265°
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 85° / 265°
RWY 10 (85°)
No ILS / Visual Only
RWY 28 (265°)
No ILS / Visual Only
A/D HARRISBURG APP/DEP
126.45 MHz
CLD HARRISBURG CLNC DEL
127.05 MHz
UNIC UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026