Incident at Vicinity of Fort Chipewyan, AB (TCAS alert, ATS operating irregularity)

Summary

1999-08-25: KAL 257, a B747, was enroute from Anchorage to New York at FL 330 and at the same time, DLH 493, another B747, was enroute from Vancouver to Dusseldorf, also at FL 330. In the vicinity of the Jowit Intersection near Fort Chipewyan, both a/c crews received TCAS Resolution Advisories and took avoidance action. Five miles separation is required in this airspace and this was compromised. NavCanada indicated that a Fact-Finding Board will be established. OPI - Enforcement

Details


CADORS Number 1999C0660
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-08-06 - 00:55
Day or Night?
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Vicinity of Fort Chipewyan, AB
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions,ATM/CNS
Events TCAS alert,ATS operating irregularity


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