Have sent another batch of emails to the FCO, DfT, HO, PM, my MP, and ScotGov. We shall see!
My concern with the air bridge idea will be the reluctance of places to say "officially" that they are ok with us in terms of our numbers. Far better with UK unilateral decisions, ie X Y Z are on the safe list because their cases are low, A B C are not and require quarantine.