41.   As air travel becomes more affordable, the middle class gets a taste of different, and sometimes finer, cuisine.

42.   As air travel dropped, airlines turned to Boeing and said they would need far fewer new planes.

43.   As American expands to keep up with the growth in air travel, it could add flights in St. Louis more easily than in Chicago.

44.   As air travel grew last year, the company failed to hire.

45.   As for general sources of information regarding air travel with pets, a useful site is www.petswelcome.com.

46.   As air travel becomes commonplace, purses shaped like travel and camera bags become popular.

47.   As it began to recover, anthrax fears again depressed air travel.

48.   As the Federal Aviation Administration shut down all US air travel Tuesday, Logan officials began evacuating and sealing the airport.

49.   As visitors from even the nearest cities on the mainland United States know, any trip to Oahu takes at least six hours of air travel.

50.   As part of the compromise arrangements for the trial, U.N. sanctions against Libyan air travel and imports of vital industrial equipment have been lifted.