BACK TO DATABASE

CYOW

YOW

Ottawa Macdonald-Cartier International Airport · Ottawa

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

374 ft / 114 m

Transition Altitude

18,000 ft

Primary Channel

TWR 118.80 MHz (Ottawa Tower)

Runway Summary

14/3210,000 ftAsphaltLIGHTED

07/258,000 ftAsphaltLIGHTED

04/223,300 ftAsphaltUNLIT

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Briefing for Ottawa Macdonald-Cartier International Airport (CYOW), Canada. This facility features 3 active runways with an elevation of 374 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Ottawa Macdonald-Cartier International Airport

ICAO / IATA

CYOW / YOW

Municipality

Ottawa

Country

Region

CA-ON

GPS Coordinates

45.322498, -75.669197

Transition Altitude

18,000 ft

Official Website

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 14 / 32

ILSLIGHTED

Crosswind 14 Crosswind 32 TOD VDP

Length: 10,000 ft / 3,048 m
Surface: Asphalt
Heading: 126.3° / 306.3°

RWY 14

No ILS

RWY 32

110.30 MHz

ID: I-YOW | CRS: 321°

Runway 07 / 25

ILSLIGHTED

Crosswind 07 Crosswind 25 TOD VDP

Length: 8,000 ft / 2,438 m
Surface: Asphalt
Heading: 57.2° / 237.2°

RWY 07

109.50 MHz

ID: I-OW | CRS: 73°

RWY 25

No ILS

Runway 04 / 22

UNLIT

Crosswind 04 Crosswind 22 TOD VDP

Length: 3,300 ft / 1,006 m
Surface: Asphalt
Heading: 26° / 206°

RWY 04

No ILS

RWY 22

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

IOW · DME (Ottawa)109,500 kHz

374 ft · Associated: CYOW
45.313801, -75.666801

OW · NDB (Ottawa)236 kHz

0 ft · Associated: CYOW
45.360001, -75.561096

YRR · NDB (Greely)377 kHz

0 ft · Associated: CYOW
45.268299, -75.573601

YOW · VOR-DME (Ottawa)114,600 kHz

450 ft · Associated: CYOW
45.441700, -75.897003

Communication Frequencies

ATC and advisory channels.

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

Nearby Airports

Alternatives in the vicinity.

Ottawa / Rockcliffe Airport

Ottawa / Gatineau Airport

Ottawa / Carp Airport

Smiths Falls-Montague (Russ Beach) Airport

Ogdensburg International Airport

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified