Serious incident to the Bell 505 registered VH-VTB operated by Nautilus Aviation on 15/07/2022 at Cairns

Preliminary data based on the notification from the Australian authorities:

During approach, the pilot heard a loud noise and observed an uncommanded yaw to the right. The pilot conducted a forced landing inside aerodrome confines. The engineering inspection revealed the bearing forward of the oil cooler blower had failed.

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General information
Local date	15/07/2022
Responsible entity	Australia - ATSB
State or area of occurrence	Oceania - Australia
Location	AD Cairns
Human consequences	None
Aircraft consequences	Minor
Occurrence class	Serious incident
File number	BEA2022-0344

Flight Information
Aircraft category	Rotorcraft - Helicopter - Small/light Helicopter - Small Helicopter
Operator	Australia (Nautilus Aviation Heli)
Manufacturer / Model	BELL (505)
Aircraft Registration	VH-VTB
State of registry	Australia
Last departure point	Australia
Planned destination	Australia - YBCS (CNS): Cairns
Flight phase	Approach
Serial number	65031
Operator Type AG
Operation Type	Commercial Air Transport

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.