Incidente ad elicottero civile in Norvegia (Bergen)


https://aviation-safety.net/wikibase/wiki.php?id=186855



[TD="class: caption"]Date:[/TD]
[TD="class: caption"]29-APR-2016[/TD]

[TD="class: caption"]Time:[/TD]
[TD="class: desc"]11.50[/TD]

[TD="class: caption"]Type:[/TD]
[TD="class: desc"]
AS32.gif
Eurocopter EC225 Super Puma [/TD]

[TD="class: caption"]Owner/operator:[/TD]
[TD="class: desc"]CHC Helicopterservice[/TD]

[TD="class: caption"]Registration:[/TD]
[TD="class: desc"]LN-[/TD]

[TD="class: caption"]C/n / msn:[/TD]
[TD="class: desc"][/TD]

[TD="class: caption"]Fatalities:[/TD]
[TD="class: desc"]Fatalities: 13 / Occupants: 13[/TD]

[TD="class: caption"]Airplane damage:[/TD]
[TD="class: desc"]Written off (damaged beyond repair)[/TD]

[TD="class: caption"]Location:[/TD]
[TD="class: desc"]Turøy just west of Sotra -
LN.gif
Norway [/TD]

[TD="class: caption"]Phase:[/TD]
[TD="class: desc"]En route[/TD]

[TD="class: caption"]Nature:[/TD]
[TD="class: desc"]Domestic Scheduled Passenger[/TD]

[TD="class: caption"]Departure airport:[/TD]
[TD="class: desc"]Gullfaks B Oilrigg[/TD]

[TD="class: caption"]Destination airport:[/TD]
[TD="class: desc"]Bergen - Flesland[/TD]

Narrative:
It seems like the main rotor detached in midair and fell to the ground and hit a rock on the shore. A huge explosion was heard at impact. The wreck is completely shattered. Bodies are observed floating about in the water.

Sources:
https://gfx.nrk.no/RXL6AiBqdFbRuDwJp1WiIQPQbpWnljeUPqsHw2C6yjhA
http://www.abcnyheter.no/nyheter/20...soner-om-bord-i-ulykkeshelikopter-i-hordaland
http://www.aftenposten.no/nyheter/i...daland---direkteblogg-8450661.html#xtor=RSS-3
http://www.nettavisen.no/nyheter/direkte-helikopterstyrten-i-hordaland/3423219023.html
https://www.flightradar24.com/data/aircraft/ln-ojf#98ee4bc
 
Segnalo che la vittima italiana era uno dei due piloti

Da il Corriere della sera:
"Uno schianto per cause da chiarire. Un’esplosione in volo, dicono alcuni testimoni. Tredici morti, tra loro anche un italiano. È il bilancio di un incidente di volo avvenuto in Norvegia dove un elicottero è precipitato nel Mare del Nord, a Bergen. Morti anche due passeggeri che inizialmente risultavano dispersi, secondo il portavoce del Centro soccorsi. A bordo c’erano due piloti e undici specialisti della Statoil, colosso petrolifero di Stato. Tra le vittime: 11 norvegesi, un inglese e, appunto, un italiano: si tratta di Michele Vimercati, originario di Legnano (Milano), 45 anni. Vimercati era ai comandi dell’elicottero, da sei anni si era trasferito in Norvegia dove lavorava appunto per una società che garantisce i collegamenti tra la terraferma e le piattaforme del mare del Nord. Il velivolo era un modello di Eurocopter, sussidiaria di Airbus ora nota come Airbus Helicopters, su cui nel 2012 «furono scoperti errori nella progettazione della trasmissione». "

E qui un altro contributo
http://www.milanotoday.it/cronaca/morto-michele-vimercati.html
 
EASA Grounds Airbus AS332 L2/EC225 LP Fleet


by Thierry Dubois

- June 3, 2016, 12:25 PM

The European Aviation Safety Agency issued an emergency airworthiness directive (AD) on June 2 to ground the fleet of Airbus Helicopters AS332 L2 Super Puma and EC225 LP (H225) models, after more evidence of a potential unsafe condition in the main rotor assembly was discovered. This follows an April 29 crash of an EC225 LP near Bergen, Norway.

Feedback received after an AD requiring inspections revealed issues with the suspension bars, which are also known as lift struts. Some tightening torque values on the attachment bolts of the fittings were found to be out of tolerance. Some washers were incorrectly positioned in the fitting assemblies. Those components are involved in scheduled maintenance, Airbus confirmed.

According to EASA, the latest report from the Accident Investigation Board Norway (AIBN), “indicated metallurgical findings of fatigue and surface degradation in the outer race of a second stage planet gear of the main gearbox epicyclic module.” However, the agency pointed out that it cannot yet be determined whether this was “a contributing causal factor or subsequent failure from another initiating factor.”

The EASA-mandated grounding does not extend to search-and-rescue (SAR) operations. Norway and the UK aviation authorities, however, have issued directives that also ground the types for search and rescue missions.

In a written statement, Airbus commented: “In light of the new findings from the AIBN's preliminary investigation report, Airbus Helicopters supports EASA's cautious approach. We continue to fully support EASA, our customers and the ongoing investigation by providing information in full transparency, while working with the wider industry to ensure safety.”

AINonline
 
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