Reference only — not for real-world navigation.
CYSP
Marathon Airport · Marathon
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,035 ft / 315 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (ATF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
16/34 · 3,933 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Marathon Airport (CYSP), located in Marathon, Canada. 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 1,035 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
Marathon Airport
ICAO / IATA
CYSP / YSP
Municipality
Marathon
Country
Region
CA-ON — Ontario
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,035 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 16 / 34
LIGHTED
Runway Length: 3,933 ft / 1,199 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 153.2° / 333.2°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 153.2° / 333.2°
RWY 16 (153.2°)
No ILS / Visual Only
RWY 34 (333.2°)
No ILS / Visual Only
CNTR WINNIPEG CNTR
134.07 MHz
RCO WINNIPEG RDO
123.55 MHz
UNIC ATF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026