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During a low-level photographic flight, the pilot made a shallow left turn at about 400 ft agl and a low forward speed. When he increased the rate of turn, the helicopter began a rapid turn to the right and the nose pitched up. The rotation continued for 3 to 4 turns during which the nose pitched up and down. The pilot had almost regained control when the helicopter struck the ground heavily on its skids and rolled onto its right side. The cause of the accident could not be conclusively determined but no mechanical defects were detected. The most probable cause was the operation of the helicopter in a mode that induced tail rotor stall and at a height that precluded a safe recovery following loss of control.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 26 March 1983 Investigation status: Completed 
Time: 1030  
Location:Lake Eildon Investigation type: Occurrence Investigation 
State: Victoria Occurrence type: Loss of control 
Release date: 28 February 1984 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: Minor 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 206 
Aircraft registration: VH-BLP 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Eildon Aerodrome VIC
Departure time:1030
Destination:Eildon Aerodrome VIC
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Last update 13 May 2014