Incident at Vicinity of 6730N 70W over Baffin Island (Conflict - loss of separation, ATS operating irregularity)

Summary

2001-04-02: UPDATE ANS and Airspace reported that NAV CANADA advised the loss of separation between UAL 901 and MON 337 occurred at 70W, where tracks started to converge. A Fact Finding Board will be convened.
2001-03-30: UAL 901, a B777, was enroute from Frankfurt to San Francisco at FL 370, estimating 69N60W at 1632Z. MON 337, an A330, was enroute from Gatwick to Calgary at FL 370 estimating 68N60W at 1632Z. BAW 287, a B747, was enroute from London to San Francisco at FL 350 and estimating 69N60W at 1639Z. An Operating Irregularity occurred when altitude separation was not ensured prior to UAL 901 passing 70W.

Details


CADORS Number 2001C0301
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2001-03-28 - 17:02
Day or Night? Day-time
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Nunavut, Canada, North America, Prairie and Northern Region, Vicinity of 6730N 70W over Baffin Island
TSB Occurrence Number
TSB Class of Investigation
AOR Number 14589
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions,ATM/CNS
Events Conflict - loss of separation,ATS operating irregularity


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