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| Date: | Sunday 16 March 2025 |
| Time: | 13:34 PDT |
| Type: |  de Havilland Canada DHC-8-311 |
| Owner/operator: | Central Mountain Air Services |
| Registration: | C-GBCH |
| MSN: | 406 |
| Year of manufacture: | 1995 |
| Engine model: | P&W Canada PW123 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | Unknown |
| Location: | 10 nm W of Vancouver International Airport, BC (YVR) -
 Canada
|
| Phase: | Initial climb |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Vancouver International Airport, BC (YVR/CYVR) |
| Quesnel Airport, BC (YQZ/CYQZ) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
Central Mountain Air flight GLR562, a DHC-8-311, was in the initial climb out of YVR, when the No. 2 engine (Pratt & Whitney Canada PW123) oil pressure warning light illuminated. The flight crew levelled the aircraft at 5000 feet above sea level (ASL), consulted the aircraft quick reference handbook (QRH), and then performed a precautionary shut down of the No. 2 engine. A MAYDAY was declared with air traffic control (ATC) who provided the crew with vectors to return to CYVR. The aircraft landed without further incident with aircraft rescue and firefighting (ARFF) personnel standing by. ARFF inspected the aircraft after it landed and did not notice any leaking fluids or other anomalies. There were no injuries reported and the aircraft was not damaged.
Maintenance inspections found debris in the oil that was drained from the No. 2 engine reduction gear box. It was determined that the debris was likely the cause of the oil pressure warning and was thought to have come from an AC generator failure that had occurred previously. The No. 2 engine oil system was flushed, and the aircraft was released to service after a satisfactory test flight.
Sources:
TSB A25P0034
History of this aircraft
Other occurrences involving this aircraft
| 28 October 2019 | 5Y-BWG | Silverstone Air Services | 0 | Lodwar Airport (LOK/HKLO) |  |
min |
| Wheel loss/failure | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Apr-2025 06:15 | ASN | Added |
| 27-Apr-2025 06:17 | ASN | Updated [Aircraft type, Location, Phase, Nature, Narrative, ] |
Corrections or additions? ... Edit this accident description
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