A couple of Q's for some of you.
When fiddling with the FMC:
Do you know the difference between Optimum Cruise Level (CRZ page), and Trip Level (Perf page)? Is there a always a difference? If so, why?
Do you ever enter ACTUAL reported wind at a different FL, and check the Step to?
If you could save fuel from doing the above, how many minutes minimum must you spend at a higher level to justify climb, before reaching TOD?
Approximately how much fuel is lost/saved per minute difference to original FMC calculated ETA, by speeding up/slowing down?