TUCSON, AZ, USA
N14GJ
JONAS HUMMING BIRD
THE EXPERIMENTAL HOMEBUILT ACFT WAS DESIGNED BY THE PLT AND INCORPORATED A LIFTING BODY SYMETRICAL AIRFOIL SHAPED FUSELAGE. PITCH CONTROL WAS TO BE ACCOMPLISHED WITH A NARROW CHORD CANARD. WITNESSES SAW THE ACFT LIFT OFF BRIEFLY TO ABOUT 10 FT AGL DURING THE FOURTH HIGH SPEED TAXI RUN, THEN SETTLE BACK ONTO THE RWY FOR A SHORT TIME. THE ACFT LIFTED OFF AGAIN AND PITCHED 'ABRUPTLY UP', FLIPPED OVER ONTO ITS BACK AND SLIDE DOWN THE RWY BACKWARDS. THE ACFT RECORDS DISCLOSED THAT ABOUT ONE YEAR PRIOR TO THE ACCIDENT, THE PLT EXPERIENCED A SIMILAR INCIDENT; HOWEVER, THE ACFT DID NOT PITCH UP PAST THE VERTICAL.
Source: NTSB Aviation Accident Database
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