41.   The data recorder is the other black box on civilian aircraft.

42.   The FAA has secret guidelines governing when a civilian aircraft can be shot down by a U.S. warplane.

43.   The government settlement resolves an investigation into charges that the company sold seats and related spare parts for five Iranian civilian aircraft.

44.   The legislation was passed by Congress and signed by President Clinton after the downing of two small civilian aircraft by Cuban fighters last month.

45.   The increase in the core rate was led by higher producer costs for tobacco, civilian aircraft, books, prescription drugs and alcoholic beverages.

46.   The man, John Hoffman, had worked as both a civilian aircraft mechanic and a weekend reservist at the Air Reserve station in Willow Grove, Pa.

47.   The National Transportation Safety Board, the independent federal agency in charge of investigating civilian aircraft accidents, hopes to finish the investigation and reach a conclusion this year.

48.   The other was a surge in exports of civilian aircraft in the aftermath of the strike at Boeing Co., which was settled in December.

49.   The North American Aerospace Defense Command was directing the air patrol missions while the FAA was ordering all civilian aircraft out of the sky.

50.   The other was a surge in exports of civilian aircraft in the aftermath of a strike at the Boeing Co., which was settled in December.