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The pilot was conducting a scheduled freight run and earlier that day had refuelled the aircraft and departed Bankstown with full main tanks (401 litres) and 160 litres in the auxiliary tanks. The accident flight was on the Scone to Maitland sector, and the pilot reported that when departing Scone, the aircraft had about 108 kilograms of freight and 430 litres of fuel . The pilot reported that while on descent and at about five miles from Maitland, the right engine RPM began to fluctuate with an accompanied increase in vibration. The pilot, thinking that it was a malfunction of the propeller governor, reported that he shut down the right engine and selected the right propeller to feather. The pilot observed that the right propeller was still windmilling, the indicated airspeed was decreasing and that the aircraft was unable to maintain height, so he elected to land in a nearby field. He closed the left throttle and selected the landing gear down. The landing gear collapsed on touchdown as there had been insufficient time for it to extend and lock. The aircraft slid for about 120 metres. Investigation of the fuel system indicated that the auxiliary tanks were empty while the main tanks each contained about 140 litres. The cockpit fuel selectors indicated that the main fuel tanks were selected. Investigation of the engines and their systems, including the propellers and governors, could not determine the reason for the reported propeller malfunction or the inability of the aircraft to maintain height.
Download Final Report
[ Download PDF: 15KB]
 
 
 
 
General details
Date: 12 November 1997 Investigation status: Completed 
Time: 17:30 ESuT Investigation type: Occurrence Investigation 
 Occurrence type:Forced/precautionary landing 
Release date: 06 July 1998 Occurrence category: Accident 
Report status: Final  
 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-31 
Aircraft registration: VH-WAL 
Sector: Piston 
Damage to aircraft: Substantial 
Departure point:Scone NSW
Destination:Maitland ALA NSW
 
 
 
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Last update 28 October 2014