The Caravelle does have a dedicated FE position, right ? I've looked at a few YouTube videos with cockpit footage and "think" I see a 3rd crewmember and some sort of instrumentation where you'd expect to see a FE station. But, there's no mention of that position.
I have a vague recollection of an acquaintance going to work for UAL in the late '60s...and starting as a Caravelle FE. Am I imagining that ?
The guy who built the simulator from an old cockpit section had a real project on his hands:
https://www.youtube.com/watch?v=Y08ZGnx0uQA