Fwiw (
and to help spell it out for those whom were not here, i.e. when this sort of rostering was the norm) here's an example of a FZ roster from mid-2010 and pre-AIMS (
note well the number of duties with rest periods / rest hours in, or v.close to the, 'to-be-avoided', 18-30 hour period). What we have today - via PBS - bares little or no resemblance to this.