Aviation safety investigations & reports

Conaero LA4-200, VH-AWY, Shute Harbour QLD, 3 June 1985

Investigation number:
Status: Completed
Investigation completed


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During the landing roll the aircraft began to swing to the right. The pilot attempted unsuccessfully to correct the swing by applying left brake and rudder. Because of the likelihood of striking a parked aircraft he then induced a ground loop to the right and the aircraft was brought to a stop. An inspection of the aircraft revealed that the right maingear had unlocked and the aircraft had settled on the right float. No fault could be found with the landing gear system. The gear collapse was consistent with there being insufficent hydraulic pressure available to hold the gear locks in position during the landing. The post accident inspection revealed that the hydraulic pump switch, which is located next to the electric fuel boost pump switch, was in the off position. It is likely that the hydraulic pump switch was inadvertently selected off after the previous take-off.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 03 June 1985   Investigation status: Completed  
Time: 1702    
Location: Shute Harbour    
State: Queensland   Occurrence type: Wheels up landing  
Release date: 30 December 1985   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Lake A/C Div. Of Consolidated Aeronautics Inc.  
Aircraft model LA-4  
Aircraft registration VH-AWY  
Type of operation Charter  
Damage to aircraft Substantial  
Departure point Hayman Island QLD  
Departure time 1702  
Destination Shute Harbour QLD