CYOW · YOW

Ottawa Macdonald-Cartier International Airport

Ottawa, OntarioElevation 374 ftLarge airport

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RUNWAYS

Runway detail & declared distances

3 runways · longest 10,000 ft

04/22
Dimensions
3,300 x 75 ft
Surface
Asphalt
RWY 04
RWY 22
07/25
Dimensions
8,000 x 200 ft
Surface
Asphalt
RWY 07
RWY 25
14/32
Dimensions
10,000 x 200 ft
Surface
Asphalt
RWY 14
RWY 32

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Ottawa Macdonald-Cartier International Airport is in Ottawa, Ontario. Field elevation 374 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeLarge airport
Airline serviceYes
CHARTS & AIRSPACE
ICAO / IATACYOW / YOW
Center (ARTCC)MONTREAL
Flight service (AFSS)QUEBEC
RegionOntario
CountryCanada
Coordinates45.3225, -75.6692
SERVICES & LIGHTING
Control towerTowered
FREQUENCIES

Communications

135.15
Ottawa Arrivals
ARR
121.15
English ATIS
ATIS
132.95
French ATIS
ATIS
119.4
Ottawa Clearance
CLNC DEL
128.175
Ottawa Departures
DEP
121.9
Ottawa Ground
GND
123.15
Quebec Radio
RCO
127.7
Ottawa Terminal
TML
118.8
Ottawa Tower
TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

SEE FLIP AP/1 SUPPLEMENTARY ARPT INFO.
FREQUENTLY ASKED
Does CYOW have a METAR?
Yes. CYOW is a METAR-reporting station; the current observation loads live on this page.
Does CYOW have a TAF?
When CYOW issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CYOW?
CYOW sits at 374 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CYOW?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.