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Following an extended flight over water, the helicopter suffered a power loss as it was approaching the coast. The pilot conducted an autorotational descent and landing. The landing on coastal mud flats was heavy, resulting in damage to the skid gear and tail boom. Examination by a Licenced Aircraft Maintenance Engineer (LAME) found that there were blockages of both venturis in the fuel transfer system which prevented the flow of fuel from the two forward tanks to the main fuel tank which supplies the engine. The engine had been running following the forced landing. The fuel supply was obviously not blocked completely, but suffiently to prevent operations at normal flight power settings. The material blocking the two venturis appeared to consist of tiny specks of fuel tank liner.
General details
Date: 23 August 1993 Investigation status: Completed 
Time: 15:21 EST  
 Investigation type: Occurrence Investigation 
 Occurrence type: Fuel contamination 
Release date: 11 January 1994 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 206L-1 
Aircraft registration: VH-HJQ 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Agincourt Reef QLD
Destination:Port Douglas QLD
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Last update 24 July 2015