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The pilot reported that shortly after levelling off and at the commencement of cruise checks there was a loud bang followed by a shudder. The pilots first reaction was to check the caution panel and engine transmission temperatures and pressures. All indications appeared normal. The pilot then reduced power slightly suspecting a possible drive train malfunction. However, his attention was then diverted to a flapping noise at the front of the aircraft, at which time he observed that the right hand forward float bag was deployed, but uninflated. He continued to reduce power, reduced airspeed to 75 knots, and commenced a turn back towards the Sedco 702 platform.
Download Final Report
[ Download PDF: 13KB]
General details
Date: 19 August 1997 Investigation status: Completed 
Time: 11:20 WST  
 Investigation type: Occurrence Investigation 
Release date: 03 September 1997 Occurrence class: Operational 
Report status: Final Occurrence category: Incident 
Aircraft details
Aircraft manufacturer: Sikorsky Aircraft 
Aircraft model: S-76A 
Aircraft registration: VH-LAQ 
Sector: Helicopter 
Damage to aircraft: Nil 
Departure point:Sedco 702 Oil Rig WA
Destination:Karratha WA
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Last update 28 October 2014