ASN Wikibase Occurrence # 243160
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| Date: | Tuesday 11 September 2007 |
| Time: | 09:17 |
| Type: |  Eurocopter EC-155B1 |
| Owner/operator: | DanCopter |
| Registration: | OY-HSL |
| MSN: | 6658 |
| Fatalities: | Fatalities: 0 / Occupants: 11 |
| Aircraft damage: | Substantial |
| Location: | North Sea, 30 NM north of Den Helder, Noord-Holland -
 Netherlands
|
| Phase: | En route |
| Nature: | Passenger |
| Departure airport: | “Nobel George” oil platform |
| Den Helder Airport | |
| Investigating agency: | Dutch Safety Board |
| Confidence Rating: |  Accident investigation report completed and information captured |
CONCLUSION
The investigation can be summarized with the following conclusions:
The loss of the upper tailfin part was probably caused by a fatigue crack on the forward attachment fitting of the lower part of the tailfin.
Due to the failure of the forward attachment fitting, the separation of the upper part of the tailfin caused an overload of the aft attachment fitting.
Accident investigation:
 |
|
Sources:
Dutch Safety Board Final Report
https://www.danishaircraft.dk/show/OY-HSL
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Sep-2020 14:04 | ASN Update Bot | Added |
| 01-Jul-2021 15:41 | KagurazakaHanayo | Updated [Time, Total fatalities, Total occupants, Other fatalities, Location, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 01-Jul-2021 15:43 | harro | Updated [Cn, Operator, Source] |
| 17-Jun-2022 11:58 | Ron Averes | Updated [Location] |
Corrections or additions? ... Edit this accident description
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