The mother of one of four oil and gas workers to die in a helicopter crash has made a fresh plea for an inquiry to be held.
A total of 18 people were on board the Super Puma which plunged into the sea off the northern isles on August 23 2013.
Sarah Darnley from Elgin, Gary McCrossan from Inverness, Duncan Munro from Bishop Auckland and George Allison from Winchester all died in the tragic incident.