31.   Commercial jet travel began about the same time, Cooke said.

32.   Commercial jets flying high above clouds, seas and continents can offer a ringside seat comparable to shuttles and mountain peaks.

33.   Commercial jet travel came along about the same time, Cooke said.

34.   Commercial jets are so expensive that airlines try to keep them in the air, earning money, as much as possible.

35.   Competition for commercial jets is spirited and prices are low.

36.   Commercial jets burn much more fuel during takeoff and while climbing to cruising altitude than any other time.

37.   Commercial jets have become more automated, requiring less actual flying skill.

38.   Condit said he expected continued strong orders to support commercial jet production near current record levels for at least the next three years.

39.   Details of its routine flight west were provided by Flight Explorer, a company that sells information gathered instantly from the radio transponders that commercial jets carry.

40.   Eagle split its order between the two foreign manufacturers locked in an intense battle for leadership of the small commercial jet market.