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The pilot reported that the helicopter was taken off into the hover above the helideck, where power and performance checks were carried out. A left pedal turn at the hover was then initiated over the helideck markings to position the helicopter for take-off into a 10-15 knot wind. On completion of the turn a loud bang was heard, and a vibration felt. The helicopter was landed on the helideck, shutdown and passengers disembarked. The tail rotor had struck a communications receiver dish antenna located outside the helideck area. An inspection of the helicopter failed to reveal any pre-existing faults which may have prevented the pilot from holding the helicopter in a steady hover during the turn. This accident was not the subject of an on-scene investigation.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 23 November 1990 Investigation status: Completed 
Time: 1430  
Location   (show map):Maersk Valiant Investigation type: Occurrence Investigation 
State: Western Australia  
Release date: 28 December 1990  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 412 
Aircraft registration: VH-NSV 
Serial number: 33084 
Type of operation: Charter 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Maersk Valiant WA
Departure time:N/A
Destination:Truscott WA
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