NTSB Identification: NYC86IA231.
The docket is stored on NTSB microfiche number 32045.
Nonscheduled 14 CFR
Incident occurred Tuesday, September 09, 1986 in BINGHAMTON, NY
Aircraft: PIPER PA-60-600, registration: N90349
Injuries: 1 Uninjured.

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

THE PLT STATED THAT AFTER LEVELING OFF AT 9000 FT MSL. HE HEARD A POP FOLLOWED BY AN EXPLOSION IN THE LEFT ENG. THE ENTIRE LEFT SIDE OF THE UPPER COWLING WAS PROTRUDING INTO THE AIRSTREAM WHICH CAUSED THE AIRCRAFT TO ROLL TO THE RIGHT. THE PILOT HAD TO USE FULL RIGHT RUDDER & HALF LEFT AILERON DEFLECTION TO MAINTAIN CONTROL. UNABLE TO MAINTAIN ALT AT BLUE LINE, AN EMERGENCY WAS DECLARED & RADAR VECTORS REQUESTED TO NEAREST AIRPORT. WHEN THE AIRPORT PERIMETER WAS CROSSED THE ACFT WAS LESS THAN 10 FT ABOVE THE GROUND. PILOT ELECTED TO LAND GEAR UP ON THE GRASS BETWEEN THE RUNWAY & TAXIWAY. INVESTIGATION REVEALED THAT THE EXPLOSION WAS CAUSED BY A FAILED CYLINDER.

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

ENGINE ASSEMBLY..FAILURE,PARTIAL

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

ENGINE ASSEMBLY,CYLINDER..SEPARATION




Contributing Factors

AIRSPEED(VMC)..ATTEMPTED..PILOT IN COMMAND

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