NTSB Identification: MIA83FA152.
The docket is stored on NTSB microfiche number 22907.
Accident occurred Sunday, June 05, 1983 in SEBASTIAN, FL
Aircraft: PIPER PA-32-260, registration: N4724S
Injuries: 6 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.

DURING THE FLT, THE PLT CONTACTED VERO BEACH TOWER & REQUESTED THE WX. HE WAS ADVISED THAT VERO BEACH & FT PIERCE, FL WERE VFR, BUT THERE WAS WX NORTH OF VERO BEACH, A CONVECTIVE SIGMET WAS IN EFFECT & THERE WERE THUNDERSTORMS IN THE AREA. THE PLT ACKNOWLEDGED THE TRANSMISSION & INDICATED HE WAS IN THE AREA OF THE VALKARIA ARPT. SHORTLY AFTER THAT, HE REPORTED THAT HE HAD OVERFLOWN THE VALKAPIA ARPT & WOULD PROCEED SOUTH TO VERO BEACH. ABOUT 4 MIN LATER, HE ADVISED THAT HE WAS NORTH OF VERO BEACH IN IFR WX & THAT HE WAS GOING TO REVERSE COURSE & GO BACK TO VALKARIA. THE PLT'S LAST RADIO TRANSMISSION WAS MADE AT 1820 EDT. THE NEXT MORNING, ACFT WRECKAGE WAS FOUND IN THAT SAME VICINITY WHERE THE PLANE HAD IMPACTED IN THE INTERCOASTAL WATERWAY. AN EXAM OF THE WRECKAGE REVEALED THAT IT HAD CRASHED IN A NEAR INVERTED, NOSE DOWN, LEFT WING LOW ATTITUDE. AN EXAM OF THE WRECKAGE REVEALED NO EVIDENCE OF A PREIMPACT MECHANICAL MALFUNCTION OR FAILURE. INTENSE THUNDERSTORMS, LIGHTNING & HEAVY SHOWERS WERE REPORTED IN THE AREA.

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

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..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:

VFR FLIGHT INTO IMC..CONTINUED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..THUNDERSTORM


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..LIGHTNING


Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND

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