CYYZ SID's
All of the published SID's for CYYZ have an altitude restriction of 5,000 ASL for jet aircraft.
After takeoff, when checking in with departure, 99.99999% of the time, jets will be cleared to 7,000 ASL.
Why don't "they" change the SID's so that ATC could just acknowledge the check in to departure with "XXXX radar identifed" ?
I suppose that re-design / certification / printing of charts etc etc, might be one of the reasons for not changing the SID's, so then why wasn't 7,000 instituted as the altitude in the first place?
I suppose ?? there is a safety benefit to having an explicit altitude being transmitted / received, but then why have the SID's ...
Mike