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The Mooney was landing at Mackay after an unevenful flight from Brampton Island. During the landing roll the right main landing gear slowly retracted until the wing was scraping on the ground. The gear extension system for this model aircraft is manually operated by the use of a handle in the cockpit. The pilot advised that the handle was down and locked prior to landing. A subsequent investigation found that actuation of the landing gear was inhibited due to rust on the surface of the metal drive rods and plates. As a result the right main landing gear had failed to lock into place even when the extension handle was locked down. The right main landing gear slowly retracted as the aircraft settled onto the partially extended leg. The operator's maintenance facility advised that the aircraft had not flown for an extended period, and that the area where the aircraft was normally parked is close to the sea.
Download Final Report
[ Download PDF: 12KB]
General details
Date: 20 May 1994 Investigation status: Completed 
Time: 13:25 EST  
 Investigation type: Occurrence Investigation 
 Occurrence type: Wheels up landing 
Release date: 05 June 1996 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
Aircraft details
Aircraft manufacturer: Mooney Aircraft Corp 
Aircraft model: M20C 
Aircraft registration: VH-TPB 
Sector: Piston 
Damage to aircraft: Substantial 
Departure point:Brampton Island QLD
Destination:Mackay QLD
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Last update 21 October 2014