RANCHO BERNARDO, CA, USA
N9589F
HUGHES 369D
ACCORDING TO THE PLT, HE WAS ABOUT 10 FT AGL IN A HOVER, WITH A LEFT QUARTERING TAILWIND AT 5, GUSTING 10 KTS, WHEN HE ATTEMPTED A LEFT PEDAL TURN. HE SAID THE HELICOPTER BEGAN TO TURN TO THE RIGHT & ADDITIONAL LEFT PEDAL APPLICATION HAD NO EFFECT. HE ROLLED THE THROTTLE OFF & ATTEMPTED TO LAND, BUT THE HELICOPTER CONTINUED TURNING TO THE RIGHT & CRASHED. HE REMEMBERED HEARING THE LOW RPM WARNING HORN, BUT DID NOT REMEMBER SEEING THE LOW RPM LIGHT. ALSO, HE DID NOT RECALL HEARING ANY UNUSUAL NOISES OR FEELING ANY UNUSUAL VIBRATIONS BEFORE IMPACT. AN EXAMINATION OF THE HELICOPTER & DAMAGED PARTS WAS MADE, BUT NO PREIMPACT MALFUNCTION OR FAILURE OF THE ENG; AIRFRAME OR FLT CONTROL SYS WAS FOUND.
Source: NTSB Aviation Accident Database
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