Incident at Gander Oceanic (Conflict - potential, ATS operating irregularity)

Summary

2005-09-26: RCH935, C141, enroute from Mildenhall (EGUN) to Bangor (KBGR) and C130, CFC4461 enroute from Glasgow (EGPK) to Trenton (CYTR). Gander low level domestic cleared westbound CFC4461 from 26,000 ft. to 28,000 ft., a flight level occupied by westbound RCH935. Aircraft were both in Oceanic airspace. Required separation 120 nm. Aircraft had approximately 50 nm increasing at time clearance was issued. TSB Case Closed.
2005-09-28: TSB Update: A05A0130: At 16:30Z Gander low-level domestic cleared westbound CFC4461, a Canadian military C130, from 26,000 ft. up to 28,000 ft. This flight level was occupied by westbound RCH935, a USAF C141. The controller recognized the conflict, and issued an instruction to stop the climb when the C130 was at 27,000 ft. Both aircraft were in Oceanic airspace, and the required separation was 120nm. The aircraft had approximately 50nm separation, increasing, at the time the clearance was issued. Nav Canada is conducting an Operational Safety Investigation.

Details


CADORS Number 2005A0663
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2005-09-24 - 16:30
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Gander Oceanic
TSB Occurrence Number A05A0130
TSB Class of Investigation Class 5
AOR Number 61183-V1
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions,ATM/CNS
Events Conflict - potential,ATS operating irregularity


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