Establishing CAS for safety
 

For your area, how and when does CAS get established?

Do they get drawn up when traffic reaches a certain density, and/or around 'blackspots' with a history of mid-air collisions?

Who proposes them? Is it the pilots themselves or the airport or the government?

Do upgrades (say from Charlie to Bravo) happen where traffic density continue to increase and vice versa?

Has its effects been positive as a whole (ie. reduced your near-misses with other stuff)?

In the UK, the Directorate of Airspace Policy (DAP) is responsible for the Airspace Change Process.

When the national air traffic service (a profit making co) find a way to make some money?:E

I will get my coat;)

Rod1