Airplane Crossword

3. Bernoulii's Principle applies to what?
5. Only this percent of the world's population have flown on airplanes.
7. Flight attendants are permitted to use these on passengers that get a little too rowdy.
9. The first free hot air balloon ride took place in the city _ in 1738.
12. The first Air Traffic Controller.

1. The color of an airplane's black box.
2. Airplane tires are inflated to _ psi so that they don't pop.
4. Fear of flying.
6. You always board planes from this side of it.
8. The first transatlantic flight was done by _.
9. It is possible that your ears can "_" when planes take off and land due to the rapid changed in air pressure.
10. The largest passenger aircraft in the world is known as _.
11. Oxygen masks on planes are made to give _ minutes' worth of oxygen.