NTSB Identification: LAX84LA026.
The docket is stored on NTSB microfiche number 22783.
Accident occurred Saturday, October 22, 1983 in KAILUA-KONA, HI
Aircraft: ROBINSON R22, registration: N9044Q
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT WAS TRANSPORTING A PHOTOGRAPHER FOR THE PURPOSE OF PHOTOGRAPHING A SPORTS EVENT. WHILE HOVERING AT AN UNSPECIFIED LOW ALTITUDE, THE PLT BECAME DISTRACTED AND ALLOWED THE ROTOR RPM TO DECREASE. AFTER THE LOW RPM WARNING HORN SOUNDED, THE PLT TRIED TO RECOVER, BUT REPORTEDLY, HE WAS UNABLE TO LOWER THE COLLECTIVE SUFFICIENTLY TO REGAIN CONTROL. A WITNESS REPORTED THAT THE HELICOPTER BEGAN TO SPIN SLOWLY AROUND. THE PLT APPLIED LEFT PEDAL TO PARTIALLY REDUCE A CLOCK-WISE ROTATION. THE HELICOPTER CONTINUED TO DESCEND UNTIL IT COLLIDED WITH LAVA ROCK, THEN IT ROLLED OVER. THE PLT REPORTED THERE WAS NO MECHANICAL FAILURE OR POWER LOSS.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DIVERTED ATTENTION..PILOT IN COMMAND



Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


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