(19 Nov 2015, 9:32 pm)Dan wrote It was
Go North East: 6001 / NK11BGZ by Daniel Graham, on Flickr
(Sorry to disappoint, Davey!)
Well as 6001 has also gained Advertisement Boards, therefore I think it is quite obvious that this will be a Corporate Livery Spare, what would be the point in putting them on if the Vehicle in the first place if it was to be re-branded for the Red Arrows.
Lets just pray to god that GNE have not ordered StreetDecks or B5TLs for the X1.