ASN Wikibase Occurrence # 231264
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| Date: | Sunday 8 December 2019 |
| Time: | 14:05 LT |
| Type: | Parsons Two Place #1 |
| Owner/operator: | Private |
| Registration: | N446PS |
| MSN: | L ROR-01 |
| Year of manufacture: | 2013 |
| Total airframe hrs: | 66 hours |
| Engine model: | Rotax 912 S2 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Naguabo -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Green River Airport, UT (RVR) |
| Naguabo, PR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About 10 minutes after departure while in cruise flight at 55-60 mph, the pilot began to feel a vibration in the airframe and an "abnormal drag." He reduced the engine power, and about that time, he felt the propeller sever the rudder cables. As he looked back, he saw the rudder separate from the airframe and the gyroplane began to spin. The pilot shut down the engine to reduce the torque and attempted to maintain control as the gyroplane rapidly descended until it impacted the ground. The fuselage and main rotor blades were substantially damaged during the accident sequence. An examination of photographs of the fractured bolt section that attached the rudder to the fuselage revealed that the bolt likely fractured as a result of reverse bending fatigue.
Probable Cause: A failure of the rudder attachment bolt, which resulted in the rudder's subsequent inflight separation from the fuselage.
Accident investigation:
 |
|
Sources:
NTSB ERA20LA051
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N446PS
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Dec-2019 13:29 | gerard57 | Added |
| 09-Dec-2019 13:30 | gerard57 | Updated [Country] |
| 10-Dec-2019 18:01 | Geno | Updated [Time, Aircraft type, Registration, Cn, Source, Damage, Narrative] |
| 01-Jul-2022 14:49 | ASN Update Bot | Updated [Time, Other fatalities, Country, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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