On February 28, 1988, a Stinson 108-1 (registration N97979) operated by Robert Sterling was involved in an aviation accident near Burlington, VT. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During a training flight, the aircraft veered left on takeoff, struck a snowbank, and inverted. Investigation revealed a disconnected parking brake pawl that could lock the brake master cylinder piston.
Overview
The flight was conducted as an instructional flight in the local area. During the ground run for takeoff, the aircraft unexpectedly veered to the left. The pilot was unable to bring the aircraft under control. The aircraft subsequently collided with a snowbank and flipped inverted.
Aircraft Configuration
The aircraft was equipped with brakes on only the left side.
Examination
Examination of the aircraft revealed that the parking brake pawl had become disconnected. According to the investigation, this condition could result in locking of the brake master cylinder piston following brake application.
Frequently asked questions
What happened in the 28 Feb 1988 Stinson 108-1 accident near Burlington, VT?
During a training flight, the aircraft veered left on takeoff, struck a snowbank, and inverted. Investigation revealed a disconnected parking brake pawl that could lock the brake master cylinder piston.
What aircraft was involved and where did it happen?
The accident on 28 Feb 1988 involved a Stinson 108-1, registration N97979, operated by Robert Sterling, at Burlington, VT.
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