Skywest CRJ2 at Calgary on Oct 15th 2015, turned into departure path of aircraft on parallel runway

Last Update: November 2, 2015 / 22:31:34 GMT/Zulu time

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Incident Facts

Date of incident
Oct 15, 2015

Classification
Incident

Flight number
OO-5514

Aircraft Registration
N479CA

ICAO Type Designator
CRJ2

A Skywest Canadair CRJ-200 on behalf of United, registration N479CA performing flight OO-5514/UA-5514 from Calgary,AB (Canada) to Denver,CO (USA), was departing Calgary's runway 17L.

A Westjet Boeing 737-800, registration C-FWJS performing flight WS-179 from Calgary,AB to Comox,BC (Canada), departed Calgary's runway 17R.

The CRJ-200 began to turn right during the initial climb causing a converging flight path with the Boeing, tower queried whether they were turning onto heading 155, the crew acknowledged. About 30 seconds later the separation reduced to about 1.1nm but began to increase again shortly afterwards when departure turned the aircraft to the southeast. Both aircraft continued to their destinations for safe landings.

The Canadian TSB reported that a faulty heading indicator caused the pilot flying to turn the aircraft to the right in the initial climb while attempting to follow the standard instrument departure. The crew received an EFIS message "Comp Mon" associated with the attitude heading and reference system (AHRS) continuously comparing the heading indicators. The pilot monitoring advised the pilot flying to stop the turn, the heading indicator of the pilot flying was slaved to the pilot monitoring's instrument and the aircraft continued to destination. The crew always had visual contact with the Boeing. The TSB added that the pilot monitoring had correct heading indications all the time. Safety was not assured when the CRJ2's flight path converged with the B738.
Incident Facts

Date of incident
Oct 15, 2015

Classification
Incident

Flight number
OO-5514

Aircraft Registration
N479CA

ICAO Type Designator
CRJ2

This article is published under license from Avherald.com. © of text by Avherald.com.
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