Originally Posted by
mm_flynn
I am sure the for the guys in the business there are significant changes - but for me as a reader, I concluded the CAA/NATS have agreed to go with Europe but then has restricted the Class C airspace to basically be back to A along all of the pre existing airways and then carved out most of the rest of the space to be Class C with the servicing be defined as the current UK ATCOCAS.
The principle is that enroute VFR is not permitted about FL195, and that other VFR is permitted only in airspace reservations. But it's impractical to separate VFR from other VFR within those reservations (e.g. gliders from each other), so calling it "class B" is not appropriate.