NTSB Identification: ATL86FA010.
The docket is stored on NTSB microfiche number 30034.
Accident occurred Wednesday, October 23, 1985 in HAMILTON, AL
Aircraft: PIPER PA-34-220T, registration: N8132L
Injuries: 1 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.
AT 1450 CDT, WHILE THE PLT WAS CRUISING AT 11,000', ARTCC BROADCAST INFO CONCERNING SIGMET 17C, WARNING PLTS OF THUNDER-STORMS WITH TOPS TO FL 450. AT 1613, RADAR DATA SHOWED THE ACFT AT 11,300'. WHEN ASKED ABOUT HIS ALT, THE PLT REPLIED HE WAS IN A CELL & WOULD BE RETURNING TO HIS ALT OF 11,000'. HE DID NOT REQUEST ASSISTANCE. SHORTLY AFTER THAT, RADAR DATA SHOWED THE ACFT HAD LOST 1000', THEN THE DISPLAY WENT INTO A COAST TRACK. LATER, THE WRECKAGE WAS FND SCATTERED OVER AN AREA APRX 1 MI LONG & 1/4 MI WIDE. THE WINGS & STABILATORS HAD SEPARATED DURING AN IN-FLT BREAKUP. THERE WAS EVIDENCE THE WINGS HAD FAILED FROM POSITIVE OVERLOADS. NO PRE-ACDNT PART FAILURE OR MALFUNCTION WAS FND. THE PLT'S BODY WAS FND AT 0737 CDT ON 10/24/85. A TOXICOLOGY CHECK SHOWED AN ALCOHOL LEVEL OF 0.031%, BUT THE AMOUNT OF ALCOHOL DUE TO PUTREFACTION WAS NOT VERIFIED. A WX SUMMARY SHOWED THE ACFT WAS IN THE VICINITY OF A VERY STRONG WX ECHO WITH MODERATE TO SEVERE TURBULENCE & UP/DOWNDRAFTS IN THE THUNDERSTORM BELOW 20,000'.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND
WEATHER EVALUATION..INADEQUATE..PILOT IN COMMAND
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