Originally Posted by
744ButtonPusher
see my post above, but scheduled Flying vs IRO lines doesn’t guarantee which break you get. It might be common practice but it’s not spelled out in the FOM who gets what break other than meeting the 117/FRMS break requirements. I have however heard of professional bunkies getting upset when they don’t get first break.
In a four man crew it pretty much guarantees second break if you’re the flying guy.