NTSB Identification: MIA88FA007.
The docket is stored on NTSB microfiche number 35382.
Accident occurred Monday, October 12, 1987 in POMPANO BEACH, FL
Probable Cause Approval Date: 12/27/1988
Aircraft: ROCKWELL 700, registration: N26574
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WITNESSES STATED THAT JUST AFTER TAKEOFF, THE LEFT ENGINE STARTED TO LEAVE A TRAIL OF WHITE SMOKE, THE ACFT THEN TURNED LEFT BACK TOWARDS THE ARPT & CRASHED INTO THE STREET. POST CRASH EXAMINATION REVEALED ONE OF THE LEFT ENGINE CRANKSHAFT COUNTERWEIGHTS FAILED CAUSING THE #6 CYLINDER CONNECTING ROD TO BREAK & PUNCTURE A HOLE IN THE UPPER ENGINE CASE. BOTH PROPELLERS WERE FOUND IN FEATHER.

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

WRONG PROPELLER FEATHERED..INADVERTENT..PILOT IN COMMAND

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

ENG ASSEMBLY,CRANKSHAFT COUNTERWEIGHTS/VIB DAMPER..FAILURE,TOTAL





Contributing Factors

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

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