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Shortly after the aircraft departed the television station helipad, the pilot became concerned about a decay in the power available. He carried out a precautionary landing on a suburban road adjacent to, but on the opposite side of a fence from the helipad. One of the two passengers disembarked and the pilot carried out a power check which appeared normal. The pilot elected to reposition the helicopter back on to the helipad. Shortly after lift off the power again decayed and the pilot attempted a precautionary landing back onto the road. The main rotor blades made contact with the tail boom during the second landing. Although some minor faults were found in the engine fuel system none of them were significant enough to cause the loss of power reported by the pilot. No other faults were found which may have contributed to the accident. The reason for the loss of power was not determined. The pilot's decision to attempt a return to the pad was influenced by the apparently normal power check, following the first landing, and his concern about the possibility of a vehicle/aircraft collision if the aircraft remained on what was a major access road with visibility restricted by a curve.

Download Final Report
[ Download PDF: 23KB]
General details
Date: 02 January 1990 Investigation status: Completed 
Time: 902  
Location   (show map):Tuart Hill Investigation type: Occurrence Investigation 
State: Western Australia  
Release date: 24 September 1991  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 206 
Aircraft registration: VH-AZD 
Serial number: 761 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Tuart Hill WA
Departure time:N/A
Destination:Rottnest Island WA
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