Very nice initiative...congrats... I am an ATCO and as you say I don't know as much as I'd like to know about FMS-systems. But what does it have to do with descending now or later ? Is it the 'to-be-level-at...' restriction that brings in the FMS... the descend is initiated by adjusting the FL on the auto-pilot, right ?
I've been on one fam-fligth so far... don't know when the next one will be
