Incident at enroute from Saint John (CYSJ) to Toronto (CYYZ) (Communication navigation surveillance/air traffic system)


2010-08-06: WJA339, Boeing 737 7CT, enroute from Saint John (CYSJ) to Toronto (CYYZ) was climbing out of Saint John, northwest bound and cleared to 28,000 ft. and was handed off to the Boston Air Route Traffic Control Centre. Control transferred at the boundary. The Moncton Area Control Centre high-level controller observed that the flight climbed above 28,000 ft. in Moncton airspace without the proper coordination. The Moncton controller queried Boston about the flight and Boston reported that the aircraft was climbing to 33,000 ft.


CADORS Number 2010A0781
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2010-08-05 - 14:08
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Canada, North America, Atlantic Region, enroute from Saint John (CYSJ) to Toronto (CYYZ)
TSB Occurrence Number
TSB Class of Investigation
AOR Number 122603-V1
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions,ATM/CNS
Events Communication navigation surveillance/air traffic system

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Operator WESTJET (8893) Commercial
Make  Silhouette image of BOEING
Model  Silhouette image of 737 7CT
737 7CT
Year Built
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number WJA339
Flight Rule
CARS Subpart
Phase of Flight Climb
Damage No Damage
Fatalities 0
Injuries 0
Events Conflict - potential

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