ASN Wikibase Occurrence # 30180
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| Date: | Monday 24 April 2000 |
| Time: | 17:30 |
| Type: |  Hughes 369HS |
| Owner/operator: | Private |
| Registration: | N9177F |
| MSN: | 430465S |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 1758 hours |
| Engine model: | Allison 250-C20 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | 12 miles W of Salina, Kansas -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | SLN |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The pilot reported losing directional control while maneuvering backwards and turning into the prevailing wind, which he reported as a "little gusty". Recorded weather reported a wind speed of 11 knots 12 nm east of the accident site. The pilot then performed a hovering autorotation during which the helicopter contacted the terrain with a left drift. The Rotorcraft Flying Handbook describes the characteristics associated with a loss of tail rotor effectiveness resulting from certain combinations of wind azimuth and helicopter airspeeds. Metallurgical examination of the helicopter's tail rotor assembly revealed no preexisting anomalies.
Probable Cause: the loss of tail rotor effectiveness and the autorotation performed by the pilot. The unfavorable wind was a contributing factor.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X20786&key=1
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 04-Nov-2012 16:01 | Dr. John Smith | Updated [Time, Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Source, Damage, Narrative] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 12-Dec-2017 18:34 | ASN Update Bot | Updated [Cn, Nature, Departure airport, Source, Narrative] |
| 16-Sep-2019 10:07 | BEAVERSPOTTER | Updated [Aircraft type, Cn] |
Corrections or additions? ... Edit this accident description
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