I would personally encourage all pilots this may affect to actively oppose this. Not only to HIA but to NATS/CAA also. A consultation carried out by HIA. The mind boggles.
Inverness does not have the volume of traffic to merit CAS.
Anyone who flies there will relate to how poor ATC can be already. They regularly seem overloaded with the light workload they have. "after departure maintain 2000' till advised" anyone? In Class G? But barked out as though it's an order.
This will just be another stick to beat the GA pilot with. We'll be orbiting all over the Highlands until Loganair or Easyjet have disembarked!!