Originally Posted by
orbitmic
Thanks both! I imagine it must be a bit of a logistical pickle to add/remove crew consequently as a 787 and 380 or a 319 and 767 do not involve quite the same numbers!
It is. There is a matrix which has work position transfers when you move from one aircraft to another part way through an itinerary, which works most of the time. Sometimes the CSDs use it, sometimes they don't.