21.   Small aircaft are routinely warned away from large jet aircraft because of these conditions, but there were no large aircraft in the area early Thursday.

22.   The company would use five Cessna Citation V twin-engine jet aircraft, he said.

23.   The Federal Aviation Administration is forecasting strong growth for the regional airline industry, based on the influx of jet aircraft into its fleet.

24.   The idea never caught on, but Federal Express survived its lean years by carrying U.S. mail at night on its small jet aircraft.

25.   The maker of business jet aircraft said it will repurchase shares on the open market or through negotiated transactions using cash on hand.

26.   The remainder would be spent on new jet aircraft, ships, upgrades to ground combat weapons and stepped up military training.

27.   The threat of foreign attack and the need for jet interceptor aircraft that could achieve supersonic speed was still a novelty to many.

28.   To do less, we agreed, would be as useful as having a fleet of modern jet aircraft and no trained pilots.

29.   A test pilot died when a vintage jet aircraft he was flying crashed during a practice flight, police said Saturday.

30.   Flights over the volcano have been restricted this week and several airports were temporarily closed because of the danger ash poses to jet aircraft.