Along the lines of being 32,000 feet in the air and a seatbelt not making a world of difference if it actually came to the point of you needing a seatbelt. Wen't through an archive of 60s and 70s In Flight Instruction Booklets. Took forever to draw these little illustrations, not sure why.
As always, your composition and design renders a fairly commonplace subject in a most delightful, charming and innovative way. Another great piece -- well done.
lol good taff