ASN Wikibase Occurrence # 387397
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| Date: | Saturday 26 August 2000 |
| Time: | 09:06 LT |
| Type: | Revolution Mini-500 |
| Owner/operator: | Private |
| Registration: | N7SZ |
| MSN: | 0098 |
| Total airframe hrs: | 928 hours |
| Engine model: | Rotax 582 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gridley, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | , CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
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.
Probable Cause: The fracture and separation of a control rod in the cyclic flight control system.
Accident investigation:
 |
|
Sources:
NTSB LAX00LA311
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2024 08:29 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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