My first flight in a 747 was in ’73 that started at Frankfurt while coming home from Germany on leave from my Army unit in Germany. The Pan Am bird had so few passengers that they allowed me to sleep laying out across seats in the center of the aircraft and I slept most of the way to JFK. I was absolutely amazed at how large the cabin was.
This is a companion discussion topic for the original entry at https://www.avweb.com/features/reader-mail/top-letters-and-comments-february-3-2023