Ahhh, that was another variable I didn't want to introduce into the equation...
With "special dispensation" there are approved, non-ATC, instrument approaches.
Several in Scotland - other PPRuNers know far more about them than I do.
But you need permission from CAA to use them, and
AFAIK they (CAA) vet the procedures for each company using them.
They won't help in this hypothetical scenario though - that much I do know
PS, Fuji Abound, where've you been? There's someone asking about the new IWR you were working on (you are still working on it I assume
)