Reference only — not for real-world navigation.
CNU8
Toronto Markham Airport · Markham
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
807 ft / 246 m
Transition Altitude
18,000 ft
Primary Channel
ATF 122.80 MHz ()
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
09/27 · 2,013 ft · AsphaltUNLITFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Toronto Markham Airport (CNU8), located in Markham, 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 807 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
Toronto Markham Airport
ICAO / IATA
CNU8 / —
Municipality
Markham
Country
Region
CA-ON — Ontario
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
807 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09 / 27
UNLIT
Runway Length: 2,013 ft / 614 m
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: —° / —°
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: —° / —°
RWY 09
No ILS / Visual Only
RWY 27
No ILS / Visual Only
ATF
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026