NTSB Identification: CHI00LA119.
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Accident occurred Saturday, April 22, 2000 in KIMBERLING, MO
Probable Cause Approval Date: 07/02/2001
Aircraft: Brice ROTORWAY EXEC 162F, registration: N627RM
Injuries: 1 Uninjured.

NTSB investigators may have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported, 'After normal preflight, I lifted off into a hover an air taxied approx 120' towards runway. I sat the helicopter down to turn on my avionics switch. I must not have lowered collective fully, as when I removed my hand from the cyclic, & the wind shifted (which is common at this airport) slightly to right front quarter, it displaced the rotor blades causing a dynamic rollover to the left.' The pilot stated, 'I was concentrating on my slope landing and thinking of my subsequent slope departure so thoroughly I that I did not positively notice rotor rpm dropping as I should have before taking my hand off the cyclic.' The pilot reported that the accident could have been prevented by, 'Lowering collective fully before removing hand from cyclic'.

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

aircraft control not being maintained by the pilot. Factors to the accident were the encountered dynamic rollover and the uneven terrain.

Full narrative available

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