Aviation safety investigations & reports

Independent Technical Review of Gyrocopter Hub Bar Failures

Investigation number:
Status: Completed
Investigation completed


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Following a fatal accident near Thargomindah, Queensland, and a series of other serious gyrocopter accidents and incidents involving the cracking or failure of the rotor hub-bar component, a review of the available information and understanding of the failure mechanism was undertaken on behalf of the Charleville, Qld coroner, to assist in his preparation for an inquest into the Thargomindah accident.

The review examined the mechanism of hub-bar failure and the influence of flight loads, maintenance activities and design. Historical, current and possible future safety action was outlined, as were avenues for future investigation of the relevant safety issues.

Download Final Report
[Download  PDF: 143KB]
General details
Date: 13 October 2004   Investigation status: Completed  
Time: nk    
Location   (show map): Thargomindah, (ALA)    
State: Queensland    
Release date: 29 June 2006   Occurrence category: Technical  
Report status: Final   Highest injury level: Fatal  
Last update 13 May 2014