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At the conclusion of a survey flight, the pilot elected to conduct a practice autorotative landing. The wind at the time was varying by about 30 degrees, and was gusting between 15 and 30 knots. The exercise proceeded normally until the helicopter had reached a height of about 10 feet above the ground. At this point the aircraft encountered heavy sink, and the pilot was unable to level the skids before the aircraft contacted the ground in a tail-low attitude. The tail boom was broken and both tail rotor blades were damaged. Although the pilot had extensive helicopter experience, his exposure to the lightweight types such as that involved in this accident was limited. It was likely on this occasion that he did not detect that the rotor rpm had decayed at a critical stage of the approach.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 21 October 1986 Investigation status: Completed 
Time: 1030 Investigation type: Occurrence Investigation 
Location:Moorabbin Occurrence type:Hard landing 
State: Victoria Occurrence class: Operational 
Release date: 04 May 1987 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Hughes Helicopters 
Aircraft model: 269 
Aircraft registration: VH-IHV 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Hastings VIC
Departure time:1030
Destination:Moorabbin VIC
 
 
 
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