Ottawa/Macdonald-Cartier International Airport

CA Flag

IATA: YOW

ICAO: CYOW

TC: CYOW

METAR: METAR CYOW 221800Z 16006KT 1 1/2SM R32/5500VP6000FT/D -SN OVC017 M08/M10 A3032 RMK SN4SC4 SLP280

TAF: TAF CYOW 221740Z 2218/2324 18007KT 4SM -SN OVC030 TEMPO 2218/2220 1 1/2SM -SN OVC020 FM222000 20005KT P6SM -SN SCT008 OVC025 TEMPO 2220/2222 2 1/2SM -SN BKN008 OVC015 FM222200 VRB03KT P6SM SCT008 OVC015 TEMPO 2222/2304 5SM -SN BKN008 OVC015 PROB30 2222/2304 4SM -FZDZ BR OVC006 FM230400 07005KT P6SM OVC020 FM231000 07005KT 4SM -SN BR BKN006 OVC015 PROB30 2310/2313 2SM -FZDZ -SN BR OVC004 FM231300 08007KT 2SM -SN BR OVC006 FM231600 08010KT 1SM -SN OVC006 PROB40 2317/2322 3/4SM -SN FM232200 07006KT 2 1/2SM -SN OVC006 RMK NXT FCST BY 222100Z

Reporting Station: CYOW (1.0 NM at True Heading of 157)
Visibility: 1.5SM
Flight Category: IFR
Altimeter: 1026.8
Temperature: -8 C (17.6 F)
Dewpoint: -10 C (14 F)

Location

Latitude: 
 45-19-21.0000N (45.3225)
Longitude: 
 075-40-09.0000W (-75.669167)
Elevation: 
 374.0 feet MSL (114 m MSL)
Magnetic Variation: 
 12.6 W (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -5.0 (Standard Time)
UTC -4.0 (Daylight Savings Time)

Contacts

YOW Airport web site
Manager: 
Publicly owned: 






Operations

Airport Status: 
 Operational
Facility Use: 
 Public
Type: 
 Airport
Activation Date: 
 03/2005
Control tower: 
 No
Boundary ARTCC: 
 ZUL (Montreal)
Responsible ARTCC: 
 ZUL (Montreal)
Traffic Pattern Altitude (MSL): 
 1374 feet (419 m)

Based Aircraft

Annual Operations (as of )

Communications

       

    Fixed Based Operators (FBOs) & Fuel

    (Click on a business for detail)
    Please help us keep this information up to date. This is a FREE SERVICE just like everything else on Airport Guide!
    Business Name Frequency Phone Fuel Grade
    Essence Catering
       Website
       Email
      

      

      
    		+1(613) 850-4776
    Ottawa Flying Club
       Website
       Email
      

      

      
    		123.35 (613) 523-2142 100LL 1.09/litre $cdn
      

      
    		Exxon Mobil Avitat aviation fuel
    Exxon Avitat    		 100LL - 1.09 USD per gallon
    on 2/10/02    		 Pumps requiring line service
    $cdn per litre

    Flight Service Stations

    Primary Alternate
    FSS on Field: 
    FSS Name (ID):  Quebec(YQB)
    Frequency: 
    Toll Free Phone: 

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near YOW

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    0.0 Ottawa/Macdonald-Cartier International Airport
    (YOW CYOW CYOW)    		 0 13 100LL 1.09/litre $cdn
    29.9 Arnprior Airport Airport
    (CNP3)    		 280 292 100LL, Jet A-1
    39.4 Ogdensburg International Airport
    (OGS KOGS OGS)    		 167 180 100LL, Jet A
    41.9 Massena International-Richards Field Airport
    (MSS KMSS MSS)    		 123 136 100LL, Jet A
    63.4 Malone-Dufort Airport
    (KMAL MAL)    		 115 128 100LL
    81.2 Watertown International Airport
    (ART KART ART)    		 190 202 100LL, Jet A
    83.9 Adirondack Regional Airport
    (SLK KSLK SLK)    		 131 144 100LL, Jet A
    96.5 Lake Placid Airport
    (LKP KLKP LKP)    		 130 143 100LL, Jet A
    96.8 Long Lake /Helms Seaplane Base
    (NY9)    		 146 159 100LL

    Notices to Airmen (NOTAMS)

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    Remarks

    A110-1 SEE FLIP AP/1 SUPPLEMENTARY ARPT INFO.

    Runways

    Runway Summary

    Runways: 04/22
    07/25
    14/32
    Longest Runway: 14/32 is 10000 ft (3048 m) long
    Runways with an Instrument Approach:

    YOW Seaplane Base Runway Details

    Runway 04/22  3300 ft x 75 ft (1006 m x 23 m)
    Surface:  Asphalt - No special surface treatment

    Runway 04

    Runway 22
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees

    Runway 07/25  8000 ft x 200 ft (2438 m x 61 m)
    Surface:  Asphalt - No special surface treatment

    Runway 07

    Runway 25
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees

    Runway 14/32  10000 ft x 200 ft (3048 m x 61 m)
    Surface:  Asphalt - No special surface treatment

    Runway 14

    Runway 32
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees

    Services

    Airframe Repair: 
    		 Minor
    Powerplant Repair: 
    		 Minor
    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 No
    Parking: 
    		 Tiedowns available

    Ratings and Reviews

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    Maps & Diagrams

    YOW Terminal Map

    Ottawa - Long Lake /Helms (YOW) Airport Terminal Map - Overview

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    YOW Sectional

    Flight Planning
    at skyvector.com

    YOW Diagram


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