Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) On and after 1 September 2015, the holder of a single - pilot type rating is authorised to exercise the privileges of the rating in a multi - crew operation only if:
(a) the holder also holds a multi - crew type rating; or
(b) the holder has completed an approved course of training in multi - crew cooperation.
(2) The holder of a multi - crew type rating is authorised to exercise the privileges of the rating only in a multi - crew operation.