25/10/2019 - The CAA has completed the Define Gateway Assessment on 25 Oct 19 and is not satisfied that the change sponsor has met the requirements of the Process up to this point. The CAA does not approve progress to the next Step.
29/11/2019 - The CAA accepts the process and approach used to develop the design principles and accepts that they represent a well-founded shortlist to inform the development of design options.