Aviation safety investigations & reports

Viking Dragonfly, VH-LSD, Four kilometres east of Nagambie VIC, 31 May 1990

Investigation number:
Status: Completed
Investigation completed


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The pilot was on a local flight when the engine failed suddenly at about 1500 feet above ground level. Emergency checks failed to restore power and the pilot made a forced landing approach to a paddock. During the approach he deployed the drag brake because he was slightly high. He then saw a power line he had not previously sighted. In clearing this line the speed washed off and the aircraft touched down heavily, fracturing the main gear legs as a result. An examination of the aircraft revealed that the fuel gascolator drain valve had been lost in flight. This resulted in fuel draining from the fuel bowl which in turn resulted in the engine power loss. The reason for the valve separating is not known. The information in this report is based on details provided by the pilot.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 31 May 1990   Investigation status: Completed  
Time: 1424    
Location: Four kilometres east of Nagambie    
State: Victoria    
Release date: 27 December 1990   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Viking Aircraft Ltd  
Aircraft model Dragonfly  
Aircraft registration VH-LSD  
Serial number V65  
Type of operation Private  
Damage to aircraft Substantial  
Departure point Mangalore VIC  
Departure time 1400  
Destination Mangalore VIC