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Whilst on cruise at 1000 feet agl, the helicopter experienced a sudden loss of power. The pilot carried out an autorotative landing on river mud flats. During the landing the tail rotor struck the water. The transmission of the helicopter failed after the disintegration of the planetary gears which was caused by fatigue cracking. Fatigue cracks were found in several sections of the remaining gear fragments and it was not possible to determine the exact origin of the final failure.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 17 May 1983 Investigation status: Completed 
Time: N/A  
Location:11 km SW of Sydney Airport Investigation type: Occurrence Investigation 
State: New South Wales  
Release date: 19 April 1984  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 206 
Aircraft registration: VH-AGL 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Hoxton Park NSW
Departure time:N/A
Destination:Hoxton Park NSW
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Last update 01 April 2011