Can't see an iScottish Govt. in a hurry to reinvent the wheel.
ATC already provided by what is essentially a private company at no cost to the tax payer.
Would NATS want to walk away from the revenue generated within airspace covering Scotland and the NE Atlantic?
Would an iScottish Govt. want to go through all the hassle of establishing a state-owned ATS provider?
Answers on a postcard...
(iScotland might well be the only thing that secures a future for PC in the longer term, i.e. into and beyond the 2020's. Otherwise, Hampshire here we come... eventually).
Only thing iScotland would have to do is establish a regulator. Not beyond the wit of those who work in the industry, given the nature of the industry.