Aviation Accident Summaries

Aviation Accident Summary MIA84FU007

MIAMI, FL, USA

Aircraft #1

UNREG

WIZARD J3

Analysis

SEVERAL WITNESSES OBSERVED THE ULTRALIGHT VEHICLE FLYING IN A SOUTHWESTERLY DIRECTION AT ABOUT 1500 FT AGL. THEY REPORTED THAT THE PLT HAD EXECUTED 5 OR 6 STALL MANEUVERS, FOLLOWED BY NORMAL STRAIGHT AHEAD RECOVERIES. DURING THE LAST STALL, THE ACFT WAS OBSERVED IN A STEEPER THAN NORMAL CLIMB ANGLE, THEN FELL OFF AT THE TOP OF THE MANEUVER & ENTER A DIVE IN A SLIGHTLY INVERTED ATTITUDE. MOMENTS LATER, THE WINGS FOLDED & THE ULTRALIGHT CRASHED. AN INVESTIGATION REVEALED THAT THE UPPER KING POST HAD COLLAPSED. THERE WAS EVIDENCE THE FAILURE OCCURRED WHEN NEGATIVE AERODYNAMIC LOADS WERE ENCOUNTERED.

 

Source: NTSB Aviation Accident Database

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