Incident at GANDER INTL NL (CYQX) (Conflict - potential, Alleged Canadian Aviation Regulations (CARs) infraction)


2003-03-04: An Air France Boeing 777, at FL380, near 4840N 33W, climbed to FL390 without ATC clearance. The aircraft then descended with ATC clearance to FL380 prior to 30W. At FL390 another Boeing 777 (British Airways) would have converged with same direction traffic after passing 20W. Required separation would have been fifteen (15) minutes. Estimated separation would have been thirteen (13) minutes. An Altitude Deviation Report was filed.


CADORS Number 2003A0151
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2003-03-04 - 07:31
Day or Night?
Fatalities 0
Aerodrome ID CYQX
Aerodrome Name GANDER INTL NL (CYQX)
Geographic Location Newfoundland and Labrador, Canada, North America, Atlantic Region,
TSB Occurrence Number
TSB Class of Investigation
AOR Number 27958
Reported By NAV CANADA
Categories Other,Airprox/TCAS alert/loss of separation/(near) midair collisions
Events Conflict - potential,Alleged Canadian Aviation Regulations (CARs) infraction

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