Originally Posted by WR
There is not a single instance of a type of a/c that would least-likely be flying with GPS (e.g. old rag & tube types such as Cubs, Aeroncas and Moths) infringing CAS.
This pattern is similar in all quarterly reports, year-round and year-on-year.
It will be interesting to see if that changes after 31-March-2008 when those types will be:
A) More visible on radar
B) Squawking their altitude