Westjet Encore DH8D near Halifax on May 22nd 2016, loss of cabin pressure

Last Update: June 28, 2016 / 21:02:42 GMT/Zulu time

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Incident Facts

Date of incident
May 22, 2016

Classification
Incident

Cause
Loss of cabin pressure

Airline
Westjet Encore

Flight number
WS-3505

Departure
Halifax, Canada

Destination
Ottawa, Canada

Aircraft Registration
C-GJWE

Aircraft Type
De Havilland Dash 8 (400)

ICAO Type Designator
DH8D

A Westjet Encore de Havilland Dash 8-400, registration C-GJWE performing flight WS-3505 from Halifax,NS to Ottawa,ON (Canada) with 11 people on board, had just levelled off at FL240 about 70nm west of Halifax, when the crew received a cabin pressure warning, donned their oxygen masks, worked the cabin pressure checklist, declared emergency and descended the aircraft to 10,000 feet. The crew subsequently returned the aircraft to Halifax for a safe landing about 30 minutes later.

On Jun 28th 2016 the Canadian TSB reported: "The operator’s maintenance is investigating."

On Jun 28th 2016 a Civil Aviation Safety Inspector reported after collecting additional information from the airline, that the lead flight attendant told the cockpit in the climb, that it was cold in the cabin. After the cabin pressure warning activated, the crew donned their oxygen masks and descended the aircraft to 10,000 feet, the cabin altitude continued to climb until reaching about 15000-16000 feet before it began to decrease again later stabilizing at 6000 feet, at which point the air became warm again. A service difficulty report was filed, the cabin pressure controller and the cabin pressure control panel were replaced, the cabin pressure tested and adjusted. The Aviation Safety Inspector was satisfied with the actions taken and advised Transport Canada did not need to take further action.
Aircraft Registration Data
Registration mark
C-GJWE
Country of Registration
Canada
Date of Registration
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Certification Basis
qhj bibAh icjnAjfclnejbAdne cihinddelAlmlkkpq Subscribe to unlock
TCDS Ident. No.
Dflm Subscribe to unlock
Manufacturer
Dehavilland
Aircraft Model / Type
DHC-8-402
ICAO Aircraft Type
DH8D
Year of Manufacture
I np Subscribe to unlock
Serial Number
AAki Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
Mnbqbf Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
Ai ik Subscribe to unlock
Engine Count
Q Subscribe to unlock
Engine Type
Iqgnidiljd Subscribe to unlock
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
May 22, 2016

Classification
Incident

Cause
Loss of cabin pressure

Airline
Westjet Encore

Flight number
WS-3505

Departure
Halifax, Canada

Destination
Ottawa, Canada

Aircraft Registration
C-GJWE

Aircraft Type
De Havilland Dash 8 (400)

ICAO Type Designator
DH8D

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