-class" windows, not Constitution
-class" windows. They are taller than they are wide for the people standing on the decks. But , yeah, that threw me off for sec too.
Since this is originally a civvie ship after all, would you consider having a deck that contains an "observation gallery" sorta thing where there's a wide compartment with a whole bunch of windows in a row? That would help with a more obvious cue about the deck orientation...