Incident at Gander Oceanic/Domestic interface


2010-12-08: AT 17:48Z, Gander High Level radar advised that they had a radar target at 33,000 ft. approaching 4830/50 that coincided with the CNV9774 49/50 position information. VHF contact was initiated through the Gander International Flight Service Station (IFSS) and the flight was radar identified south of course. The flight was questioned and confirmed that the avionics indicated that the aircraft was on course. The cleared route was confirmed with the flight again and the flight crew confirmed that the cleared route was correct in the navigation system. There was no traffic.


CADORS Number 2010A1242
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2010-12-07 - 17:50
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Gander Oceanic/Domestic interface
TSB Occurrence Number
TSB Class of Investigation
AOR Number 127077-V1
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant],Navigation Errors,Airprox/TCAS alert/loss of separation/(near) midair collisions

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration
Occurrence Type Incident
Operator State
Make  Silhouette image of DOUGLAS
Model DC9
Year Built
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number CNV9774
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Navigation error,Alleged Canadian Aviation Regulations (CARs) infraction,Conflict - potential,Aircraft navigation/communication equipment

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