On June 11, 1987, a Cessna 414A (registration N2691S) operated by Steel Warehouse,inc. was involved in an aviation accident near Binghamton, NY. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During takeoff roll, the left engine responded slowly to full throttle. The crew aborted but the aircraft overran the runway into a ravine. The pilot had noted issues on the prior flight.
Event Description
During the takeoff roll, full throttle was applied to both engines. The left engine was slow to respond, and full power was not reached. The flight was subsequently aborted. However, the aircraft continued to roll off the departure end of the runway and down a ravine.
Prior Flight Observations
The pilot stated that on the prior flight, he noted an approximate 100 RPM drop on both magnetos in the left engine. Additionally, the manifold pressure was slow to respond to throttle inputs compared to the right engine.
Ground Time Before Accident Flight
The aircraft was on the ground for over six hours before the takeoff on the accident flight.