What BEagle says, apart from the P/UT or P1/S thing. My interpretation is different and that it should be P/UT, as specified in conversations and e-mails with the Belgrano, but we could have a 10 year row about this and neither side would be swayed!
Use the flight as a chance to brush up on any skills that may be rusty, it isn't a test as such but it helps if you know one end of the a/c from the other.