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NTSB Report
November 12, 1983 · Wizard J3 · UNREG
Miami, FL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
November 12, 1983
Injury Outcomes
1 injury (1 fatality)
Location
Miami, FL
Aircraft
Wizard J3
Tail Number
UNREG
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
MIA84FU007
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time17:00 EST
Nearest Airport0nm
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftWizard J3
Tail NumberUNREG
Aircraft CategoryUltr
DamageDestroyed
Operating RulePart 103
Engines1
Engine TypeReciprocating
Engine DetailsKawasaki · 440 · Reciprocating · 40
Seats1
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 19 · Unknown
Conditions
ConditionsVMC
LightDaylight
Wind70° @ 3 kt
Visibility8 sm
CeilingBroken clouds 3500 ft
Temperature / Dew Point63 F
Altimeter29.00 inHg
Observation Time21:46
Weather SourceWFAC