Families of those killed and injured in the Clutha helicopter crash are set to receive the final report on its causes almost two years after 10 people died in the tragedy.
Many more were injured when a police helicopter crashed on to the roof of the Glasgow pub on November 29 2013.
The Air Accidents Investigation Branch (AAIB) said in an interim report published last year that both engines on the aircraft failed, but the cause was not outlined.
The report said the engines had ''flamed out'' before the helicopter crashed into the packed bar at 10.22pm, killing the pilot and two police constables on board as well as seven people in the pub.
The AAIB is understood to be holding meetings with those affected by the tragedy this week to discuss the findings in its final report ahead of its public release.
David Bell, a solicitor at Irwin Mitchell Scotland who is acting for 17 people including injured victims and the families of those who died, said: "All of those we represent have faced an incredibly difficult two years, waiting for any form of information on how this terrible incident came to occur.
"The effect of this wait cannot be underestimated, as many have simply been unable to move on or come to terms with the incident as a result of the long silence on this matter.
''We truly hope that this week will mark the end of this difficult period and help all of those affected to gain an understanding of what happened on that terrible evening."
Those who were in the helicopter - pilot David Traill, who was attached to Police Scotland's air support unit, and police constables Tony Collins and Kirsty Nelis - were killed when the helicopter crashed into the building.
Those killed in the pub were John McGarrigle, Mark O'Prey, Gary Arthur, Colin Gibson, Robert Jenkins and Samuel McGhee. Joe Cusker was pulled from the wreckage alive but died in hospital.
Jim Morris, a former RAF pilot and partner in Irwin Mitchell's aviation law team, said: "There are many questions which still need to be answered following the tragedy at the Clutha Vaults. The central question is what caused both engines of a modern helicopter to flame out?
"Many of our clients are desperate to know the answer to that question after a long and painful wait. Had the helicopter been fitted with the black box equipment, the answer to this crucial question may have been known and published by the AAIB at a much earlier stage.
"We hope that the meetings between the AAIB and the victims this week and the publication of the final accident report will identify the full chain of events that led to this tragedy."
Why are you making commenting on The Herald only available to subscribers?
It should have been a safe space for informed debate, somewhere for readers to discuss issues around the biggest stories of the day, but all too often the below the line comments on most websites have become bogged down by off-topic discussions and abuse.
heraldscotland.com is tackling this problem by allowing only subscribers to comment.
We are doing this to improve the experience for our loyal readers and we believe it will reduce the ability of trolls and troublemakers, who occasionally find their way onto our site, to abuse our journalists and readers. We also hope it will help the comments section fulfil its promise as a part of Scotland's conversation with itself.
We are lucky at The Herald. We are read by an informed, educated readership who can add their knowledge and insights to our stories.
That is invaluable.
We are making the subscriber-only change to support our valued readers, who tell us they don't want the site cluttered up with irrelevant comments, untruths and abuse.
In the past, the journalist’s job was to collect and distribute information to the audience. Technology means that readers can shape a discussion. We look forward to hearing from you on heraldscotland.com
Comments & Moderation
Readers’ comments: You are personally liable for the content of any comments you upload to this website, so please act responsibly. We do not pre-moderate or monitor readers’ comments appearing on our websites, but we do post-moderate in response to complaints we receive or otherwise when a potential problem comes to our attention. You can make a complaint by using the ‘report this post’ link . We may then apply our discretion under the user terms to amend or delete comments.
Post moderation is undertaken full-time 9am-6pm on weekdays, and on a part-time basis outwith those hours.
Read the rules here