Incident at Approx. 50 miles east of Calgary, Alberta


1996-01-23: ACA187 was at FL350 5 miles ahead of CDN905 at FL310, both aircraft inbound to Calgary. Controller became momentarily distracted as ACA began descent and passed through FL310 with radar spacing reduced to 3.3 miles. Action was taken to maintain separation.


CADORS Number 1995W0327
Occurrence Type Incident
Reported By
Occurred At 1995-09-14 - 01:25
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Approx. 50 miles east of Calgary, Alberta
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration
Occurrence Type Incident
Operator AIR CANADA (5262)
Make  Silhouette image of DOUGLAS
Model DC9 32
Year Built
Engine Type
Engine Make
Engine Model
Gear Type
Private No
Amateur Built No
Flight Number ACA 187
Flight Rule
CARS Subpart
Phase of Flight Descent
Damage Unknown
Fatalities 0
Injuries 0
Events Conflict - loss of separation

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