ASN Wikibase Occurrence # 216407
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| Date: | 17-OCT-2018 |
| Time: | 22:29 LT |
| Type: |  NHIndustries NH90 TTH Caïman |
| Owner/operator: | Aviation Légère de l'Armée de Terre (ALAT) |
| Registration: | 1332 |
| MSN: | 1332 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | BPC Dixmude, 130 km off Dunkirk -
 France
|
| Phase: | Take off |
| Nature: | Military |
| Departure airport: | BPC Dixmude |
| BPC Dixmude | |
| Confidence Rating: |
The NH90 helicopter of 1er RHC crashed on the flight deck of amphibious assault ship BPC Dixmude (L9015). Four sailors on the flight deck were injured, one severely. The most seriously injured sailor was airlifted to Percy hospital of Clamart near Paris. The helicopter crew was able to escape unharmed. The aircraft sustained significant damage. The ship's flight deck was damaged. At the time of the accident there was just 10 knots wind. The accident occurred while the vessel was en route to take part in NATO exercise "Trident Juncture 18".
Causes of the accident:
The causes of the accident were the forgetting and non-detection, before hovering, of a normal mooring lashings which had remained attached, caused by :
- maneuvers performed on a dark night, without supplementary lighting, at a time when the circadian cycle favors a drop in vigilance;
- the lack of standardization of procedures for changing aircraft mooring;
- the migration of practices concerning the number of deck crew involved in seizures and their distribution around the aircraft ;
- the inadequacy between the DIRPONVOL safety lap taught at the EPPE and the lighting system made available to it;
- the DIRPONVOL's safety turn, partially carried out or not carried out;
- the verification of the actual mooring configuration based only on the DIRPONVOL.
Furthermore, as a result of a periodic check that was partially carried out, it is possible that the forgotten grip may have presented a fault in the closing of the grip that facilitated the release of the mooring ring, thus depriving the helicopter crew of the few extra seconds needed to understand the situation and to stop the hovering.
Sources:
https://www.meretmarine.com/fr/content/grave-accident-dhelicoptere-sur-le-bpc-dixmude
http://lemamouth.blogspot.com/2018/10/accident-sur-le-dixmude-un-blesse-grave.html
https://www.defense.gouv.fr/operations/actualites2/accident-aeronautique-a-bord-du-bpc-dixmude
http://www.opex360.com/2018/10/19/un-marin-du-bpc-dixmude-gravement-blesse-apres-laccident-dun-helicoptere-nh-90-de-larmee-de-terre/
https://www.letelegramme.fr/france/marine-un-blesse-grave-apres-le-crash-d-un-helicoptere-sur-le-dixmude-19-10-2018-12110932.php
http://www.lefigaro.fr/flash-actu/2019/01/15/97001-20190115FILWWW00279-le-crash-d-helicoptere-en-mer-du-nord-du-a-une-erreur-humaine.php
Accident investigation:
 |
|
Media:
Marins, retour sur le crash d’un hélicoptère sur le Dixmude le 17 octobre 2018. @EtatMajorFR @MarineNationale @armeedeterre @santearmees pic.twitter.com/0CUmMrLren
— Chef d'état-major de la Marine (@amiralPrazuck) 15 janvier 2019
Le #BPC Dixmude rapatrié à Brest après l'accident d’hélicoptère #NH90 #Caïman #ALAT https://t.co/MuWxBTu6Sp pic.twitter.com/YUSNEgqSaE
— Philippe Top-Action (@top_force) October 20, 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Oct-2018 08:27 | Iceman 29 | Added |
| 19-Oct-2018 08:28 | Iceman 29 | Updated [Embed code, Narrative] |
| 19-Oct-2018 09:03 | harro | Updated [Date] |
| 19-Oct-2018 09:05 | harro | Updated [Time, Source, Narrative] |
| 19-Oct-2018 09:52 | Iceman 29 | Updated [Time, Narrative] |
| 19-Oct-2018 10:03 | Iceman 29 | Updated [Location, Source, Narrative] |
| 19-Oct-2018 19:41 | Anon. | Updated [Source] |
| 20-Oct-2018 13:19 | Aerossurance | Updated [Location, Departure airport, Destination airport, Embed code, Narrative] |
| 15-Jan-2019 19:29 | Iceman 29 | Updated [Source, Embed code, Narrative] |
| 20-Jan-2020 19:34 | harro | Updated [Registration, Cn, Total occupants, Source, Embed code, Narrative, Accident report, ] |
| 20-Jul-2020 06:02 | harro | Updated [Aircraft type, Accident report, ] |
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