SD-2017/002: Airbus Helicopters EC225LP and AS332L2 Limitations of Operations due to a Fatal Accident in Norway on 29 April 2016 and Return to Service Requirements (link)
The purpose of this Safety and Operational Directive is to assure safe operations of Airbus Helicopters EC225LP and AS332L2 helicopters following a fatal accident in Norway with an EC225LP on the 29 April 2016 and replaces SD 2017/001. As a result of the further report from Accident Investigation Board Norway issued on the 28 April 2017, ongoing discussions with EASA, Airbus Helicopters and CAA Norway together with the publication of EASA AD 2017-0134 dated 27 July 2017, the UK CAA and CAA Norway (CAA-N) have determined that the aircraft may be returned to service under controlled conditions and in accordance with operator safety cases.
Source: CAA.