Incident at Gander FIR (Aircraft navigation/communication equipment)


2005-04-05: Air Transat TSC722, A310 enroute from Toronto to London Gatwick CYYZ-EGKK. At position 54N040W pilot requested descent from F340 to F310 due failure of #2 IRS. ATC unable descent clearance due same direction traffice at F330 eight minutes in trail (same track). Pilot informed ATC of restriction to operate at maximum F310 or below with only two IRS systems functional. Pilot announced intention to offset 30 nautical miles to the right and make descent to F300. Traffice advisory issued by ATC prior to descent. Flight commenced deviation at time 0304Z and advised level F300 returning to track at 0311Z. Nil TSB .


CADORS Number 2005A0214
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2005-04-04 - 03:04
Day or Night?
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Newfoundland and Labrador, Canada, North America, Atlantic Region, Gander FIR
TSB Occurrence Number
TSB Class of Investigation
AOR Number 54793-V1
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant]
Events Aircraft navigation/communication equipment

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