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ASN Wikibase Occurrence # 174771
Last updated: 4 June 2020
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Type:Silhouette image of generic PC12 model; specific model in this crash may look slightly different
Pilatus PC-12/45
Owner/operator:Royal Flying Doctor Service Western Operations
Registration: VH-NWO
C/n / msn:
Fatalities:Fatalities: 0 / Occupants: 4
Aircraft damage: None
Location:Derby -   Australia
Phase: En route
Departure airport:Derby
Destination airport:Kununurra
Investigating agency: ATSB
Engine failure in single engine single pilot aeromedical flight at night. Approximately 56 km from departure aerodrome at FL 018 with 4 POB. Pilot made a satisfactory glide approach and landing at departure aerodrome. ATSB investigation found bolts in the propeller reduction gearbox had failed due to fatigue fractures causing gearbox to seize. Pratt & Whitney have had other instances of this occurring.


Australian ATSB Investigations AO-2010-006 Final

Accident investigation:
Investigating agency: ATSB
Status: Investigation completed
Download report: Final report

Revision history:

23-Mar-2015 05:14 Dr Stephen Langford Added

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