BRONSON, FL, USA
N860RB
BARTHOLOMEW KOLB TWINSTAR
WITNESSES STATED THAT THE PILOT INITIATED THE FLIGHT KNOWING THAT THE AIRSPEED INDICATOR WAS INOPERATIVE. THEY OBSERVED THE AIRPLANE ON FINAL APPROACH WHEN IT ENTERED A STEEP LEFT 360-DEGREE TURN. THEY STATED THE LEFT WING STALLED AND THE AIRPLANE PITCHED NOSE DOWN AND CRASHED. EXAMINATION OF THE ENGINE, AIRPLANE AND FLIGHT CONTROLS REVEALED NO PREIMPACT FAILURES.
PILOT-IN-COMMAND'S DECISION TO INITIATE A FLIGHT WITH KNOWN DEFICIENCIES IN HIS EQUIPMENT IN THAT HIS AIRSPEED INDICATOR WAS INOPERATIVE. HE THEN FAILED TO MAINTAIN AIRSPEED IN A TURN ON FINAL APPROACH, STALLED, AND CRASHED.
Source: NTSB Aviation Accident Database
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