51.   The market for top-end business jets remains a narrow and cyclical one, however, and Canadair is now selling a GV rival called the Global Express.

52.   The number of business jets sold worldwide.

53.   The Textron unit, based in Nashville, makes aircraft wings and wing components for the business jet and commercial military transport markets.

54.   The two principal makers of airplanes in the U.S. are Lockheed Martin Corp. and Boeing Co., though neither builds small business jets.

55.   This year, even the commercial airlines have become interested in business jets, or in adapting some of the business-aviation model to their own uses.

56.   Two years ago, General Dynamics bought Gulfstream to diversify into business jets, which now account for more than a third of sales.

57.   Yet none of the new rules applies to general aviation aircraft, in particular to speedy and sizable business jets.

58.   Parent firm Bombardier Inc. is a leading maker of business jets, regional aircraft, rail transportation equipment and motorized recreational products.

59.   Prosecutors said executives including Kozlyonok sold the gems and bought yachts, a business jet, a mansion and other real estate with the proceeds.

60.   A business jet taking off on a routine test flight crashed into a field then burst into flames, killing two crew members.