ASN Wikibase Occurrence # 288406
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| Date: | Thursday 24 June 2010 |
| Time: | 14:30 LT |
| Type: |  Bell UH-1H |
| Owner/operator: | Santa Barbara Co Fire Department |
| Registration: | N205KS |
| MSN: | 9526 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 13609 hours |
| Engine model: | Honeywell T53-L-703 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Santa Barbara, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Santa Barbara, CA |
| Santa Barbara, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter experienced a structural failure in one of the tailboom attach fittings while hovering near a cliff, about 200 feet above ground level (agl). The pilot heard a loud sound and felt the helicopter yaw slightly. He made a precautionary landing without incident. A postaccident examination of the helicopter revealed the left tailboom upper attachment fitting had fractured as a result of fatigue. The fatigue origin most likely emanated from fretting and/or corrosion pits at the fastener to fitting interface. There was no engineering data showing how the combination of the multiple STC modifications of the helicopter affected the helicopter's structural integrity.
Probable Cause: The failure of left tailboom upper attachment fitting as a result of fatigue.
Accident investigation:
 |
|
Sources:
NTSB WPR10TA318
History of this aircraft
Other occurrences involving this aircraft
| 12 January 2018 | N205KS | Rescue Operations in Montecito, CA | 0 | Van Nuys, CA | |
sub |
| Collision with other aircraft on apron | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 22:05 | ASN Update Bot | Added |
| 30-May-2023 09:04 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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