Report on the accident to Eurocopter EC225 LP Super Puma : G-REDW, 34 nm east of Aberdeen, Scotland on 10 May 2012 and G-CHCN 32 nm southwest of Sumburgh, Shetland Islands, on 22 October 2012.
Great Britain.Air Accidents Investigation Branch.
Aldershot : Air Accidents Investigation Branch,
2014.