ASN Wikibase Occurrence # 168789
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| Date: | 13-APR-2008 |
| Time: | 11:14 LT |
| Type: |  Aérospatiale AS 355F1 Ecureuil II |
| Owner/operator: | private |
| Registration: | ZK-IAV |
| MSN: | 5041 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Minor |
| Category: | Accident |
| Location: | Mt Victoria, Wellington 1 -
 New Zealand
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | Wellington International |
| Marlborough Sounds | |
| Investigating agency: | TAIC New Zealand |
| Confidence Rating: |  Accident investigation report completed and information captured |
Two minutes after departure, one of the 3 main rotor blade spherical thrust bearings attached to the rotor head failed. The failure caused a significant loss of rotor balance and track, resulting in severe vibration. Despite the vibration and limited control, the pilot completed a successful emergency landing in a nearby sports field with no injuries.
The bearing failed because of internal corrosion and de-bonding of its elastomer segment, which was probably a result of some undetected surface damage to the elastomer surface.
Sources:
https://taic.org.nz/inquiries?SkinSrc=[G]skins%2ftaicAviation%2fskin_aviation
Accident investigation:
 |
|
Safety recommendations:
Safety recommendation 021/08 issued 20 June 2008 by TAIC to CAA NZ
Safety recommendation 022/08 issued 20 June 2008 by TAIC to CAA NZ
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Aug-2014 15:32 | Aerossurance | Added |
| 23-May-2016 19:18 | Aerossurance | Updated [Aircraft type] |
| 11-Oct-2021 15:57 | harro | Updated [Time, Cn, Operator, Source] |
| 02-Feb-2022 02:32 | Ron Averes | Updated [Location] |
| 13-Feb-2022 01:32 | Ron Averes | Updated [Location] |
Corrections or additions? ... Edit this accident description
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