Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) The holder of a cruise relief co - pilot type rating is authorised to act as co - pilot of an aircraft:
(a) only if the aircraft is operated by an operator that:
(i) has a training and checking system; and
(ii) holds an approval under regulation 61.040 for the system for this subregulation; and
(b) only while the aircraft is at flight level 200 or above.
(2) The holder of a cruise relief flight engineer type rating is authorised to act as flight engineer of an aircraft only while the aircraft is at flight level 200 or above.
(3) Subregulation (4) applies if:
(a) the holder of a cruise relief type rating passed the flight test for the rating in:
(i) an aircraft model covered by the rating (the first variant ); or
(ii) an approved flight simulator for the first variant; and
(b) differences training is required by a legislative instrument under regulation 61.055 for another aircraft model covered by the rating (the second variant ).
(4) The holder is authorised to exercise the privileges of the
rating in the second variant only if the holder has completed the
differences training for the second variant.