Incident at Vicinity of Lumsden, SK (TCAS alert)


1999-06-07: NWA 1550, a B727, was enroute from Calgary to Minneaoplis at FL 330 in the vicinity of Lumsden when it passed north of ROY 7554, a B737, enroute Winnipeg to Calgary. The TCAS system activated and NWA 1550 climbed to FL 340. ROY 7554 was at FL 310 and the appropriate level of separation existed between the two a/c. NWA 1550 returned to FL 330. OPI - System Safety


CADORS Number 1999C0433
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-06-05 - 20:57
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Saskatchewan, Canada, North America, Prairie and Northern Region, Vicinity of Lumsden, SK
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions
Events TCAS alert

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