Incident at Gander Oceanic

Summary

1999-12-30: CDN82 B767 ENROUTE TORONTO TO LONDON WITH ROUTING 62N50W 1629 63N40W 1704 AT FL350. WITH 40 WEST POSITION REPORT, CDN82 ADVISED HE HAD COMPLIED WITH A TCAS RA BY CLIMBING TO FL356 BUT WAS NOW BACK AT HIS CLEARED FL350. THE RA WAS CAUSED WHEN TWO TARGETS PASSED BY BELOW. BASED ON KNOWN TRAFFIC, THE TWO TARGETS MAY HAVE BEEN KLM611 ROUTING 63N40W 1657 61N50W 1736 ON OTS BRAVO AT FL340 AND NWA33 ROUTING 63N40W 1658 61N50W 1740 TRACK BRAVO FL330. WHEN ADVISED OF THE TRAFFIC AT FL340 (KLM611) CDN82 RESPONDED POSSIBLE THE TRAFFIC WAS AT FL340 BUT SHOWED 400 TO 500 FEET ON TCAS. KLM611 WAS QUERIED AND ADVISED MAINTAINING FL340 AT THE TIME OF CDN'S RA ADDING THE AUTOPILOT ALLOWS 100 FEET EITHER WAY AND THAT KLM HAD NOT BEEN OUTSIDE OF THAT. BY FOLLOWING THE RA, CDN82 LOST SEPARATION WITH AFR050 63N40W 1645 61N50W 1727 TRACK BRAVO FL360. TSB Case Closed. Update: TSB file # A99A0169

Details


CADORS Number 1999A0713
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-12-26 - 17:05
Day or Night?
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Gander Oceanic
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration FTCA | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner CANADIAN AIRLINES INTERNATIONAL LTD
Operator CANADIAN AIRLINES INTERNATIONAL LTD./ LIGNES AERIENNES CANADIEN INTERNATIONAL LTEE (132) Commercial
Make  Silhouette image of BOEING
BOEING
Model 767 375
Year Built 1989
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number CDN82
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage Unknown
Fatalities 0
Injuries 0
Events TCAS alert,Conflict - loss of separation

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