Aviation Accident Summaries

Aviation Accident Summary BFO90LA042

BALTIMORE, MD, USA

Aircraft #1

N4229A

BELL 47D

Analysis

THE PLT WAS PRACTICING LANDINGS WHEN THE ACCIDENT OCCURRED. HE REPORTED THAT AFTER TOUCH DOWN, AS THE FORWARD MOTION OF THE HELICOPTER SLOWED, HE NOTICED THE HELICOPTER PITCHED SLIGHTLY DOWN. THE PLT STATED HE INSTINCTIVELY APPLIED AFT CYCLIC PRESSURE, CAUSING THE MAIN ROTOR BLADES TO FLEX DOWN AND SEVERE THE TAIL CONE. NO MECHANICAL MALFUNCTION WAS REPORTED.

Probable Cause and Findings

THE PILOT APPLIED EXCESSIVE CYCLIC CONTROL, CAUSING THE MAIN ROTOR TO FLEX AND SEVERE THE TAIL CONE.

 

Source: NTSB Aviation Accident Database

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