NTSB Identification: NYC87LA169.
The docket is stored on NTSB microfiche number 35232.
Accident occurred Thursday, June 11, 1987 in BINGHAMTON, NY
Probable Cause Approval Date: 05/16/1989
Aircraft: CESSNA 414A, registration: N2691S
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

DURING TAKEOFF ROLL, FULL THROTTLE WAS APPLIED TO BOTH ENGINES BUT THE LEFT ENGINE WAS SLOW TO RESPOND. WHEN FULL PWR WAS NOT REACHED, THE FLIGHT WAS ABORTED. THE ACFT CONTINUED TO ROLL OFF THE DEPT END OF THE RWY AND DOWN A RAVINE. THE PLT STATED THAT ON THE PRIOR FLIGHT HE NOTED THAT THERE WAS AN APPROX 100 RPM DROP ON BOTH MAGS IN THE LEFT ENGINE AND THE MANIFOLD PRESSURE WAS SLOW TO RESPOND TO THROTTLE COMPARED TO THE RIGHT ENGINE. THE ACFT WAS ON THE GROUND FOR OVER 6 HOURS BEFORE TAKEOFF ON THE ACCIDENT FLIGHT.

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..ATTEMPTED..PILOT IN COMMAND

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

ABORTED TAKEOFF..DELAYED..PILOT IN COMMAND

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