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During a flying training sortie the instructor simulated an engine failure by moving the mixture control to the idle cut off position. The student closed the throttle and pulled the carburettor heat on, the instructor then moved the mixture control to rich. During the descent the throttle was opened twice. Prior to commencing a go-around, at about 100 feet above ground level, the student moved the carburettor heat control to cold. At about 200 feet, on climb, the instructor simulated another engine failure by again moving the mixture control to idle cut off. As soon as the student lowered the nose of the aircraft the instructor moved the mixture control to rich, with the throttle open. However, there was no response from the engine and the aircraft was subsequently landed in swampy terrain. No mechanical engine defect was found and tests carried out revealed that the engine should have been capable of operating normally. Atmospheric conditions at the time of the accident were conducive to moderate carburettor icing at cruise power and severe icing at descent power. The carburettor heat control was not operated in accordance with the manufacturer's instructions.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 04 May 1987 Investigation status: Completed 
Time: 810  
Location:Bribie Island Investigation type: Occurrence Investigation 
State: Queensland  
Release date: 05 November 1987  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 152 
Aircraft registration: VH-UFU 
Type of operation: Flying Training 
Damage to aircraft: Substantial 
Departure point:Redcliffe QLD
Departure time:0810
Destination:Redcliffe QLD
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