Incident at South of Rankin Inlet, NT (Conflict - loss of separation)


1999-07-12: KLM 681, an MD-11, was enroute from Schiphol Airport in Amsterdam to Vancouver and an incorrect time estimate of 1947Z was entered into the NavCanada NADS computer system for the flight to reach 64N - 80W. The NFDPS system produced a planning strip for KLM 681 with an estimate of 2012Z for the flight to reach 64N - 80W. Based on the incorrect data entry, the crew of FAB 962, a B727, enroute to Winnipeg from Rankin Inlet was given clearance to climb to FL 350 from FL 280. A short time later, the error in time estimates was discovered and corrected, showing a 7 minute crossing track between the two a/c. The error was discovered by the evening shift controllers after the day shift had been relieved and left for the day. OPI - ANS and Airspace; Enforcement UPDATE ANS reported that NavCanada will conduct a Fact-Finding Board concerning this occurrence.


CADORS Number 1999C0529
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-07-02 - 20:50
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Nunavut, Canada, North America, Prairie and Northern Region, South of Rankin Inlet, NT
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

Leave a Comment