Reference only — not for real-world navigation.
CYOW
Ottawa Macdonald-Cartier International Airport · Ottawa
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
374 ft / 114 m
Transition Altitude
18,000 ft
Primary Channel
TWR 118.80 MHz (Ottawa Tower)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
14/32 · 10,000 ft · AsphaltLIGHTED07/25 · 8,000 ft · AsphaltLIGHTED04/22 · 3,300 ft · AsphaltUNLITFlight Planning
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Welcome to the technical flight briefing for Ottawa Macdonald-Cartier International Airport (CYOW), located in Ottawa, Canada. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 374 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Ottawa Macdonald-Cartier International Airport
ICAO / IATA
CYOW / YOW
Municipality
Ottawa
Country
Region
CA-ON — Ontario
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
374 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
ILS EQUIPPEDLIGHTED
Runway Length: 10,000 ft / 3,048 m
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 126.3° / 306.3°
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 126.3° / 306.3°
RWY 14 (126.3°)
No ILS / Visual Only
RWY 32 (306.3°)
110.30 MHz
IDENT: I-YOW | CRS: 321°
Runway 07 / 25
ILS EQUIPPEDLIGHTED
Runway Length: 8,000 ft / 2,438 m
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 57.2° / 237.2°
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 57.2° / 237.2°
RWY 07 (57.2°)
109.50 MHz
IDENT: I-OW | CRS: 73°
RWY 25 (237.2°)
No ILS / Visual Only
Runway 04 / 22
UNLIT
Runway Length: 3,300 ft / 1,006 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 26° / 206°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 26° / 206°
RWY 04 (26°)
No ILS / Visual Only
RWY 22 (206°)
No ILS / Visual Only
ARR Ottawa Arrivals
135.15 MHz
ATIS English ATIS
121.15 MHz
ATIS French ATIS
132.95 MHz
CLNC DEL Ottawa Clearance
119.40 MHz
DEP Ottawa Departures
128.18 MHz
GND Ottawa Ground
121.90 MHz
RCO Quebec Radio
123.15 MHz
TML Ottawa Terminal
127.70 MHz
TWR Ottawa Tower
118.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026