On June 1, 1988, a Beech H18 (registration N20PA) operated by Sair Aviation, Inc. was involved in an aviation accident near Utica, NY. Investigators recorded the probable cause as: The left engine experienced a loss of power due to a broken No.3 rod and piston. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A package delivery flight from Syracuse to Plattsburg experienced a left engine power loss, leading to a precautionary landing on uneven terrain where the right landing gear collapsed. Investigation revealed a broken No.3 rod and piston.
Incident Details
A flight transporting UPS packages departed Syracuse Airport bound for Plattsburg, New York. At approximately 0810 hours, the crew experienced a loss of power on the left engine, resulting in an inability to maintain altitude. The pilot notified Griffiss Control that the aircraft could not reach Oneida Airport or Hancock Airport and initiated a precautionary landing. The aircraft touched down on uneven terrain, causing the right landing gear to collapse.
Mechanical Findings
Following the incident, an examination of the left engine was conducted. During the teardown, it was discovered that the No.3 connecting rod and piston had broken. This mechanical failure was consistent with the loss of power experienced during the flight.
Probable cause
The left engine experienced a loss of power due to a broken No.3 rod and piston.
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