Single Pilot Aircraft. I have not been fortunate enough to have to regularly share my cockpit with another qualified pilot. Take a day and try to read through CAP804, it should point you roughly in the right direction. Also worth e mailing the CAA to clarify what you need to do, they were pretty good at getting back to me. I think you are in a different situation to me, I was after a CPL/IR with ATPL Theory, not a full on ATPL. First time I've been unhappy about all the fast jet flying.