Incident at 35 NM E of Saskatoon, SK (TCAS alert)


1999-05-03: CDN 927, a B737, was enroute from Toronto to Edmonton and 35 miles east of Saskatoon when the crew reported receiving a TCAS warning and advised they were climbing to FL 370. ATC had no other a/c in the vicinity. A few minutes later, the crew reported another TCAS RA to climb. The only traffic in the area was MAL 125, a BAe 125, also enroute to Edmonton at CDN 927's 2 o'clock position, 15 miles away on a parallel course. ATC turned both a/c 5 degrees away from each other. Both a/c continued on course with no other TCAS alerts received. OPI - System Safety UPDATE TSB reported that company maintenance inspected and tested the TCAS equipment and found it to be free of faults. The a/c was released to service and there have been no recurrences.


CADORS Number 1999C0281
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-04-15 - 21:48
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Saskatchewan, Canada, North America, Prairie and Northern Region, 35 NM E of Saskatoon, 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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