Aviation safety investigations & reports

Cessna 210E, VH-PQF, Isis (30 km South of Bundaberg) QLD, 14 May 1988

Investigation number:
Status: Completed
Investigation completed


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The aircraft was cruising at 9500 feet when the oil filter adaptor became detached from the engine, causing complete loss of oil pressure. As a result the number two big end failed and the number two connecting rod punctured the crankcase. During the ensuing forced landing, on a road, the pilot was unable to fully manually lower the landing gear. After touchdown the right main gear leg collapsed, causing the aircraft to strike a dirt bank. The oil filter adaptor thread had been damaged by overtightening and this allowed the adaptor to detach from the housing on the oil pump casing. Following the failure of the engine it became necessary to lower the landing gear by using the emergency system. Hydraulic power to lower the gear is normally provided by the engine driven hydraulic pump. It was determined that the pilot was unable to fully extend the gear with the emergency gear extension handle as the handle had apparently inadvertently been moved slightly inward. Any inward movement of the handle jams the pump action making the handle difficult to move thus giving the impression that the gear is fully extended.

Download Final Report
[Download  PDF: 23KB]
General details
Date: 14 May 1988   Investigation status: Completed  
Time: 740    
Location: Isis (30 km South of Bundaberg)    
State: Queensland    
Release date: 20 February 1989   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Cessna Aircraft Company  
Aircraft model 210  
Aircraft registration VH-PQF  
Serial number 21058710  
Type of operation Private  
Damage to aircraft Substantial  
Departure point Archerfield QLD  
Departure time )630  
Destination Rockhampton QLD