There is no reason why this base should not be at Newquay.
Aside from an incredibly limited and seasonal market with little in the way of corporate travel.....
get Loganair down there (if they have the aircraft, or can acquire a few) to operate a few 340's and test the market that way, to places like EDI, DUB, AMS, CDG ??
SF340s in that market would be extortionately expensively priced unless the taxpayer was to gift 'em yet another subsidy.
I would of thought