ASN Wikibase Occurrence # 353881
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| Date: | Tuesday 25 August 1998 |
| Time: | 17:00 LT |
| Type: | Ekstrom-farrington TWINSTAR |
| Owner/operator: | Farrington Aircraft Corp. |
| Registration: | N72DE |
| MSN: | 001 |
| Year of manufacture: | 1990 |
| Total airframe hrs: | 937 hours |
| Engine model: | Continental O-320-A2B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Paducah, KY -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | (KFIO) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The gyroplane was on short final, about 15 feet above the ground, when it went into an uncommanded right turn and right roll. The heading changed 180 degrees, and the gyroplane impacted sod near the runway threshold. The gyroplane had a rotor brake mechanism which was activated by pushing the cyclic control full forward. A through-bolt which had attached the two lateral control arms to the yoke assembly, was discovered missing, and the right lateral control arm had separated from the yoke assembly. The kit manufacturer was considering implementing a clamp-type rotor brake system, much like a bicycle's, to prevent rotor brake forces from passing through the flight control system.
Probable Cause: Failure of a through-bolt that attached the lateral control arms to the yoke assembly, due to unanticipated rotor brake forces through the flight control system.
Accident investigation:
 |
|
Sources:
NTSB NYC98LA172
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Mar-2024 16:32 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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