621
xkcd #2922: Pub Trivia
(imgs.xkcd.com)
Alt text:
Bonus question: Where is London located? (a) The British Isles (b) Great Britain and Northern Ireland (c) The UK (d) Europe (or 'the EU') (e) Greater London
Nah, small airplanes are relatively easy to build. Even if we eventually stop large-scale production there'll always be the occasional hobbiest putting a one-seater together.
Ahkctually.jpg
Production models.