NTSB Identification: NYC00FA106.
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Accident occurred Thursday, March 30, 2000 in BALLSTON SPA, NY
Probable Cause Approval Date: 04/06/2001
Aircraft: Cessna 172P, registration: N98574
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

The flight instructor and student pilot departed on a local training flight. Witnesses observed the airplane on its initial climb roll off on its left wing and descend into a wooded area. One witness thought the airplane was in a steep nose up climb prior to rolling left and descending. A post crash fire destroyed the cockpit/cabin, and the seat rails and forward seats could not identified. No evidence of a pre-existing mechanical failure or malfunction was found with the airplane or engine. A previous seat slippage was documented for the left seat in the airplane a month earlier. However, there was no evidence that it had occurred again. The airplane was equipped with primary seat locks to prevent the seats from slipping off of the end of the seat rails. Cessna Aircraft Co. issued a service bulletin on secondary seat locks to prevent rearward seat slippage, which they classified as mandatory. However, the bulletin had not been accomplished on the airplane, and was not required by the FAA. A check of medical records revealed the student pilot was 6 ft 3 inches tall, and weighed 288 pounds, while the flight instructor was 5 ft, 10 inches tall, and weighted 156 pounds.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

a loss of control for undetermined reason(s).

Full narrative available

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