81.   The Air Force has had an acute problem with pilots leaving for commercial aviation, in part because of dissatisfaction with deploying abroad for long periods at irregular intervals.

82.   The deal closes the books on the longest-flying carrier in U.S. commercial aviation.

83.   The crash was the latest in a series of accidents that have given Korean Air one of the worst safety records in commercial aviation.

84.   The deal on Monday closes the books on the longest-flying carrier in U.S. commercial aviation.

85.   The deal will eliminate government restrictions on what routes airlines can fly and set a single, streamlined standard for commercial aviation relations.

86.   The Federal Aviation Administration will use those measurements to locate ash clouds produced that could disrupt commercial aviation.

87.   They represent the fastest-growing segment of commercial aviation in recent years.

88.   Torstila said sanctions that might be lifted first include the oil embargo and commercial aviation restrictions that affect ordinary Yugoslavs.

89.   When World War I ended, Lewis went to China as manager of commercial aviation for a British company.

90.   After the war, Lewis moved to China as manager of commercial aviation for Vickers, becoming flying instructor to the Chinese government and helped form its air force.