Incident at Calgary, AB

Summary

1997-06-04: CDN 906 was downwind for Runway 16 when the pilot advised he had a TCAS Resolution Alert and would have to file a report. There were no other a/c in the vicinity and it is believed that the a/c did not take any avoidance action. Possible traffic was a REGS 11 flight in the Springbank control zone which had an erroneous Mode C and was asked to turn off his Mode C. UPDATE At 11,000 feet on the approach into Calgary, the crew received a TCAS traffic advisory warning. The warning then went off (traffic out of range). The warning then came back on and indicated that the traffic was 100 feet above, and then the resolution advisory warning showed. Calgary ATC showed no other traffic in the area and this is believed to be a false TCAS warning.

Details


CADORS Number 1997C0318
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1997-06-02 - 21:05
Day or Night?
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Calgary, AB
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration GQCP | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner CANADIAN AIRLINES INTERNATIONAL LTD
Operator Commercial
Make  Silhouette image of BOEING
BOEING
Model 737 217
Year Built 1983
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number CDN 906
Flight Rule
CARS Subpart
Phase of Flight Approach
Damage Unknown
Fatalities 0
Injuries 0
Events TCAS alert

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