Central Mountain DH8C near Prince George on Aug 9th 2023, hydraulic leak

Last Update: September 20, 2023 / 20:09:54 GMT/Zulu time

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Incident Facts

Date of incident
Aug 9, 2023

Classification
Incident

Airline
Central Mountain Air

Flight number
9M-8570

Departure
Vancouver, Canada

Destination
Smithers, Canada

Aircraft Registration
C-GUXZ

Aircraft Type
De Havilland Dash 8 (300)

ICAO Type Designator
DH8C

A Central Mountain Air de Havilland Dash 8-300, registration C-GUXZ performing flight 9M-8570 from Vancouver,BC to Smithers,BC (Canada) with 25 passengers and 3 crew, was enroute at FL240 when the crew received zero quantity indication for the hydraulic system #1, however, no other abnormal indications occurred. The crew worked the checklist to defer the #1 hydraulic system under the minimum equipment list, but subsequently received secondary indications including hydraulic pressure zero and master caution. The crew worked the checklist for #1 hydraulic system failure, declared emergency with ATC and diverted to Prince George,BC (Canada) for a safe landing.

The Canadian TSB reported:

While enroute, the number 1 hydraulic system of the aircraft indicated a hydraulic fluid quantity of 0. There were no other indications of hydraulic issues with the number 1 system; it seemed to function normally. The crew completed the actions required to defer the number 1 hydraulic system under the provisions of the aircraft minimum equipment list (MEL). At 0920 Pacific Daylight Time (PDT), the aircraft began to display intermittent secondary indications of a number 1 hydraulic system failure, including loss of hydraulic pressure and associated master caution lights. The crew actioned the items required by the aircraft quick reference handbook (QRH) for a number 1 hydraulic system failure and declared an emergency with air traffic control (ATC). At 0922 PDT, the crew initiated a diversion to Prince George Airport (CYXS), BC, where the aircraft landed without incident.

Maintenance determined that the aircraft had a leak in the number 1 hydraulic system.
Aircraft Registration Data
Registration mark
C-GUXZ
Country of Registration
Canada
Date of Registration
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Certification Basis
K jpiiickbcAflgApmmfAqiijmqkkfeibghipmmcfdAqkA Subscribe to unlock
TCDS Ident. No.
Cmph Subscribe to unlock
Manufacturer
Dehavilland
Aircraft Model / Type
DHC-8-311
ICAO Aircraft Type
DH8C
Year of Manufacture
nqA Subscribe to unlock
Serial Number
Nbe Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
Jpmfil Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
F mfg Subscribe to unlock
Engine Count
K Subscribe to unlock
Engine Type
Ckpjkl dlA Subscribe to unlock
Main Owner
Qpnndcknjfmfjlj nmfAhi hgkqm bebllmfdgjnhccAhfklmcejhg nknicjmfeeAAkkfn lkhl Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Aug 9, 2023

Classification
Incident

Airline
Central Mountain Air

Flight number
9M-8570

Departure
Vancouver, Canada

Destination
Smithers, Canada

Aircraft Registration
C-GUXZ

Aircraft Type
De Havilland Dash 8 (300)

ICAO Type Designator
DH8C

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