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On 21 August 2012, at about 1430 Eastern Standard Time, an Aero Commander 500S registered VH-YJS (YJS) departed Charleville Airport, Queensland for Brisbane Airport via, Roma, Dalby and Toowoomba on a freight only charter flight under the IFR. The pilot was the only person on board.

During the landing roll the landing gear was inadvertently retracted and the lower fuselage contacted the runway.  The pilot exited the aircraft without injury however the lower fuselage of the aircraft was damaged. 

A manual safe pin was incorporated as a design feature to prevent inadvertent retraction of the landing gear. However operation of the gear lever and safe pin together had become an automatic response by the pilot and the effectiveness of the safe pin as a countermeasure reduced. Pilots are reminded to positively identify any control lever before actioning. 

Aviation Short Investigation Bulletin – Issue 14


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General details
Date: 21 August 2012 Investigation status: Completed 
Time: 1530 EST  
Location   (show map):Toowoomba Airport Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Incorrect configuration 
Release date: 20 December 2012 Occurrence class: Operational 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Aero Commander 
Aircraft model: 500 
Aircraft registration: VH-YJS 
Serial number: 3315 
Type of operation: Charter 
Damage to aircraft: Minor 
Departure point:Dalby, QLD
Destination:Toowoomba, QLD
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Last update 18 April 2018