Aviation safety investigations & reports

Pietenpol Air Camper, VH-EIG, Mangalore VIC, 27 March 1989

Investigation number:
Status: Completed
Investigation completed


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During a daily inspection three days prior to the accident, the pilot noted a fuel leak in the area where the fuel filter bowl fits on top of the fuel pump. A new gasket was made, from a thinner material than the original, and a silicon sealer was therefore applied as an added precaution. The aircraft subsequently operated without fuel problems, until the engine failed completely following a particular takeoff. The pilot attempted to land straight ahead, but the airspeed was less than the optimum and the aircraft touched down heavily, collapsing the right hand gear leg. The investigation determined that the fuel filter outlet was blocked by the silicon sealer that had been used on the gasket. The pilot believed that the silicon that he used was fuel resistant. It is not certain whether the silicon in fact did react with the fuel and degrade or whether an excessive amount was used resulting in the excess breaking away inside the filter bowl and blocking the outlet. The failed landing gear component was inspected and it was determined that it was manufactured from a material as specified in the plans and had failed due to overload.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 27 March 1989   Investigation status: Completed  
Time: 1200    
Location   (show map): Mangalore    
State: Victoria    
Release date: 06 May 1989   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer John W Grega  
Aircraft model GN-1  
Aircraft registration VH-EIG  
Serial number Q21  
Type of operation Private  
Damage to aircraft Substantial  
Departure point Mangalore VIC  
Departure time N/A  
Destination Mangalore VIC