I thought until I was *deleted* years old that airplanes took off by means of a jump at the end of the runway.
A childhood belief about aeroplanes

others believed things like this
- My nephew, at around age three, used to say that airplanes trailing white exhaust were "airplanes on strings".— Mojo!
- if you shone a torch into the sky at night, an airplane would thin you were a runway and land on you— spam
- I thought the lines in the sky left behind by airplanes were "sky scrapers". Makes sense.Anon
- when i was little, i used to believe that airplanes goes out of space.Anon
- When I was little, I used to believe that airplanes took off like rockets.— Edene
- I used to believe airplanes were flying submarines.— Gullible isn't in the dictionary