11.   Because ValuJet flies older aircraft, maintenance checks are already stiffer than for newer planes, officials said.

12.   Air Force officials say that suggests someone was flying the aircraft.

13.   Conversely, who has been training religious zealots to fly huge aircraft?

14.   Do women in the Air Force fly other aircraft of similiar significance?

15.   Does NASA still fly these aircraft?

16.   Fly combat aircraft.

17.   For instance, flying an aircraft through a hurricane on purpose would make an exciting hobby and is just what hurricane researchers do.

18.   In addition, they say that only sky marshals should have guns and that pilots should focus on flying the aircraft.

19.   In addition, some aircraft were flown behind a tanker plane, which sprayed them with water to see how they would perform in such conditions.

20.   India and Pakistan agreed to notify each other of military movements and promised not to fly military aircraft near the border.