STOCKTON, CA, USA
N8133A
PIPER PA-28-201T
PRIOR TO DEPARTURE THE PILOT INDICATED THAT HE MIGHT TRY TO ROLL HIS AIRPLANE DURING HIS RETURN FLIGHT HOME. DURING THE FLIGHT THE PILOT WAS RECEIVING VFR RADAR TRAFFIC ADVISORIES WHILE CRUISING BETWEEN 8,400 AND 8,600 FT. AT 1629:23 THE AIRPLANE'S TRANSPONDER INDICATED IT WAS AT 8,600 FT. 12 SECS LATER IT WAS AT 7,800 FT, AND THEN 4 SECS LATER THE CONTROLLER HEARD AN ELT. AT 1629:45 THE CONTROLLER HEARD A MAYDAY AND RADAR CONTACT WAS LOST. WITNESSES OBSERVED THE AIRPLANE DESCENDING IN A 60-90 DEG NOSE-DOWN ATTITUDE. BOTH WINGS, VERTICAL STABILIZER, RUDDER, AND STABILATOR SEPARATED IN FLIGHT. NO RECORD OF THE PILOT RECEIVING AEROBATIC INSTRUCTION.
THE PILOT'S IMPROPER DECISION TO PERFORM AEROBATICS WHICH RESULTED IN THE DESIGN STRESS LIMITS OF THE AIRPLANE BEING EXCEEDED DUE TO EXCESSIVE AIRSPEED. CONTRIBUTING FACTORS TO THE ACCIDENT WERE THE PILOT'S OVERCONFIDENCE IN HIS AND THE AIRPLANE'S ABILITY, AND HIS LACK OF AEROBATIC FLIGHT EXPERIENCE.
Source: NTSB Aviation Accident Database
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