Incident at North Atlatic Ocean (Conflict - loss of separation)

Summary

1997-08-21: The US AIR B767 (USA12) was eastbound from Philadelphia to Madrid FL360. A US Military C141( RCH21) was also eastbound from Norfolk at FL360. New York ARTCC did not coordinate the estimates of RCH21 with the Gander OAC planner. At 50W Gander received a progress report on RCH21and noticed the conflict with USA12. New York was advised and RCH21 was rerouted. The separation between the 2 aircraft was 7 minutes longitudinal and approximately 25-30 miles lateral. The required separation was 1,000 feet vertical or 60 miles lateral with 15 minutes longitudinal. New York ARTCC has been advised and will be investigating.

Details


CADORS Number 1997A0255
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1997-05-28 - 03:25
Day or Night?
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Canada, Gander Oceanic, Atlantic Region, North Atlatic Ocean
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions
Events Conflict - loss of separation


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