This February 2010 accident report is provided by the National Transportation Safety Board. Published as an educational tool, it is intended to help pilots learn from the misfortunes of others.
Aircraft: Cessna 210. Injuries: None. Location: Aurora, Colo. Aircraft damage: Substantial.
What reportedly happened: Shortly after takeoff when the pilot attempted to retract the landing gear, it did not retract. The pilot verified the position of the landing gear by looking out of the window and noted that the wheels appeared to be in the down-and-locked position. However, the green landing gear position light in the cockpit was not illuminated. The pilot opted to return to the airport for landing. Believing that the landing gear was in the down-and-locked position, the pilot did not attempt to use the manual gear extension procedure. During the landing, the right main landing gear collapsed.
The post-accident examination and testing of the landing gear system showed that it operated normally and no mechanical anomalies were identified. The underlying cause of the intermittent operation of the landing gear system was not determined. Testing of the manual gear extension system showed that it functioned normally. Had the pilot used the system, he would have received a gear down-and-locked indication and landed normally.
Probable cause: The failure of the landing gear to properly function for undetermined reasons, resulting in the right main landing gear collapsing during landing. Contributing to the accident was the pilot’s failure to follow the emergency gear extension procedure.
For more information: NTSB.gov. NTSB Identification: WPR10LA140
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