NTSB Identification: LAX00LA311.
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Accident occurred Saturday, August 26, 2000 in GRIDLEY, CA
Probable Cause Approval Date: 11/01/2001
Aircraft: Perrucci Randall J REVOLUTION MINI-500, registration: N7SZ
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.

While maneuvering at 700 feet agl, the pilot of the amateur-built helicopter felt something "break" and the fore-and-aft portion of the cyclic flight control system became inoperative (disconnected). He lowered the collective control, reduced engine power, and made a run-on landing in an open field. During the landing the toe of one skid "dug in" and the helicopter came to rest on its side. Postaccident examination revealed that a push-pull tube in the cyclic control system fractured circumferentially in the wall at one end near where a through-bolt attached the rod end fitting to the tube.

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

The fracture and separation of a control rod in the cyclic flight control system.

Full narrative available

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