1.   As flying becomes safer, crashes become harder to explain.

2.   Even though clubs charter flights, flying figures to become more rigorous because of security modifications.

3.   Flying has become a quality-of-life choice.

4.   Flying has become safer, faster and cheaper, but it seems ever more stressful.

5.   Indeed, flying has increasingly become the bastion of oldsters.

6.   New York is not the only place where flying has become something less of an ordeal.

7.   Bush said flying will again become a way of life in America.

8.   Flying cheap quickly becomes habit-forming, Hermann Wohlers finds.

9.   He said flying will again become a way of life in America.

10.   Hermann Wohlers is finding that flying cheap quickly becomes habit-forming.