Taken from UK CAA LASORS 2008
Cruise Relief Pilot
• A cruise relief pilot may log as pilot in command all
the time he occupies a pilot’s seat as relief for the
designated commander.
• He may log as co-pilot all the time he occupies a
pilot’s seat as relief for the co-pilot.
• He may log as PIC U/S all the time he occupies a
pilot’s seat and acts as pilot in command under the
supervision of the designated commander or his
relief.
TJ