Incident at Peace River, AB (TCAS alert, Conflict - loss of separation)

Summary

1997-11-19: C-GSCX executed a missed approach at the Shell/Hamburg airfield and returned to Peace River where the crew entered a hold at the Allex fix at 5500 feet. CDR 1136 attempted to land at Peace River, but had to do a missed approach, and received a clearance for a second attempt, not to go above 4500 feet. During their maneuver for the second approach, the crew of CDR 1136 requested a clearance to go to High Level. When this new clearance was issued to CDR 1136, the a/c was northbound, and north of the Peace River VOR. The new clearance required CDR 1136 to climb toward C-GSCX, to 7000 feet, which resulted in CDR 1136 passing C-GSCX with less than the required separation. The two a/c passed each other by 1000 feet, and both crews reported that they saw each other, and CDR 1136 received a TCAS alert. OPI - System Safety UPDATE Weather conditions at the time of the incident were 400 feet overcast with light snow and five miles visibility. NavCanada will be conducting a fact-finding board to determine why this loss of separation occurred.

Details


CADORS Number 1997C0792
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1997-11-17 - 17:38
Day or Night?
Fatalities 0
Injuries
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Peace River, 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 TCAS alert,Conflict - loss of separation


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