51.   In its commercial jet manufacturing business, ending production of the Jetstream business jet and higher-margin Airbus orders helped narrow losses.

52.   In part that may reflect the built-in redundancies of commercial jets.

53.   Indeed, many airlines are canceling much firmer orders for commercial jets from Boeing and Airbus Industrie.

54.   In-flight breakups of big commercial jets are extremely rare.

55.   Instead, the FTC placed no restrictions on the deal after concluding that McDonnell Douglas had ceased to be competitive in the international commercial jet market.

56.   Ironically, his son flies Boeing commercial jets for the Belgian airline, Sabena.

57.   It is not unusual for a commercial jet like the McDonnell Douglas used by Swissair to carry commercial cargo along with baggage, company officials said.

58.   It flew the first scheduled flights across the Atlantic and Pacific, and operated the first commercial jet service.

59.   It was not until the British company de Havilland leveraged wartime research on jet propulsion into a commercial jet airliner called the Comet that rapid air transport became feasible.

60.   Last summer, a commercial jet suddenly dropped and rolled, injuring several passengers before leveling off.