NTSB Identification: MIA88LA236.
The docket is stored on NTSB microfiche number 38427.
Accident occurred Monday, July 25, 1988 in COCOA BEACH, FL
Probable Cause Approval Date: 01/04/1990
Aircraft: PIPER PA-60-700P, registration: N69RB
Injuries: 1 Fatal.

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

FLT ENTERED NEAR VERTICAL DESCENT WHILE FLYING IN AREA OF LEVEL 1 AND 2 THUNDERSTORMS JUST AFTER PLT HAD CALLED REQUESTING PERMISSION TO DEVIATE AROUND RAIN SHOWERS. A LEVEL 5 THUNDERSTORM WAS PRESENT 8 MILES WEST. THE ACFT DESCENDED AT RATES UP TO 13,800 FEET PER MINUTE. WITNESSES SAW ACFT EXIT BOTTOM OF CLOUDS AT APPROX 4,000 FEET IN A NEAR FLAT ATTITUDE AND ROTATING AROUND THE YAW AXIS TO THE LEFT. ENGINE SOUNDS INCREASED AND DECREASED AS THE ACFT ROTATED AND ALL COMPONENTS APPEARED TO BE PRESENT ON THE ACFT. NO SMOKE OR FLAME WAS VISIBLE. AT APPROX 500 FEET ABOVE THE WATER THE ROTATION STOPPED AND THE NOSE DROPPED TO A 30 TO 70 DEGREE NOSE DOWN ANGLE AND BOTH ENGINES COULD BE HEARD INCREASING IN POWER. BEFORE THE RECOVERY COULD BE COMPLETED THE ACFT STRUCK THE OCEAN.

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

FLIGHT INTO KNOWN ADVERSE WEATHER..NOT CORRECTED..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND

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

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

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND


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