ASN Wikibase Occurrence # 279056
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| Date: | Monday 6 June 2022 |
| Time: | 09:50 |
| Type: |  Robinson R44 Astro |
| Owner/operator: | Midstate Service & Aviation |
| Registration: | N94WC |
| MSN: | 0691 |
| Year of manufacture: | 1999 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Rusk County Airport (RFI/KRFI), Henderson, TX -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Henderson-Rusk County Airport, TX (KRFI) |
| Henderson-Rusk County Airport, TX (KRFI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On June 6, 2022, about 0950 central daylight time, a Robinson R44 helicopter, N94WC, was substantially damaged when it was involved in an accident near Henderson, Texas. The pilot sustained serious injuries and the passenger sustained minor injuries. The helicopter was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.
The helicopter pilot was practicing hover takeoffs and landings in a crosswind. The passenger reported that, while hovering before a landing, the helicopter shuddered, and the left skid contacted the ground. The helicopter rolled onto its left side. The helicopter sustained substantial damage to the main rotor blades, fuselage, and tail boom.
Examination of the helicopter’s flight control systems and main and tail rotor drive systems did not show any preimpact anomalies that would have precluded normal operation. Examination of the No. 2 cylinder revealed that the exhaust push rod was bent and the exhaust valve was stuck. Borescope inspection of the No. 2 cylinder showed that the exhaust valve had contacted the piston and the intake valve appeared to be recessed in the No. 2 valve seat. The loss of engine power was most likely due to the stuck exhaust valve on the No. 2 cylinder.
Probable Cause: The partial loss of engine power in a hover due to a stuck exhaust valve.
Accident investigation:
 |
|
Sources:
https://www.kltv.com/2022/06/06/helicopter-crash-reported-rusk-county/
https://www.msn.com/en-us/news/us/married-couple-injured-in-rusk-county-helicopter-crash/ar-AAY91xC?cvid=930c09fb957a4e97bd344a2eaa56538b
https://data.ntsb.gov/Docket?ProjectID=105203
https://flightaware.com/live/flight/N94WC
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=94WC
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Jun-2022 16:49 | Captain Adam | Added |
| 06-Jun-2022 17:19 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative] |
| 06-Jun-2022 17:21 | RobertMB | Updated [Location, Departure airport, Destination airport, Narrative] |
| 06-Jun-2022 17:21 | RobertMB | Updated [[Location, Departure airport, Destination airport, Narrative]] |
| 07-Jun-2022 02:23 | johnwg | Updated [Time, Nature, Source, Narrative, Category] |
| 07-Jun-2022 03:57 | RobertMB | Updated [Nature, Narrative] |
| 27-Apr-2024 17:29 | Captain Adam | Updated [Time, Location, Nature, Source, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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