Originally posted by MANORD:
One set that sticks in my mind now the 747 has been retired: I sat in every cabin of the 747 - WT, WTP-normal, WT-in-front-of-CW, CW-LD, CW-UD - except for F.
One possibly missing in that set is WTUD, available for a time in the early 1990s, with converter seats.