A truly impressive sight... I have seen it on both Lufthansa A330 and A340, FRAJFK and EWRFRA, respectively. Nice chat with the FAs in the rear galley, too. Cuz' that's the place you have to go if you want to see the contrails.
Shame on Boeing! They have these tiny ugly round windows in their Exit doors, plus there is some kind of lens inside them, so you get a headache after looking for 20 seconds. I've experienced this on a recent CO
AMSEWR flight, there I saw the conetrails too. Luckily, the last seat row was empty so I got a glimps. Unluckily, three male flight attendants worked the rear galley at that time...
BTW... pictures, anyone? (No, not of the male flight attendants. Of the contrails.
BTW... conEtrails or contrails?
All the things you probably hate about travelling are warm reminders that I'm home