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.