1.   Because of their soft cores, both World Trade Center towers successfully absorbed the impact of a large jetliner, as their architect once boasted they could.

2.   Airbus, a consortium of British, French, German and Spanish companies, has said a large jetliner is crucial in completing its product line.

3.   Airbus has about one-third of the world market for large civil jetliners, while Boeing has about two-thirds.

4.   All of the pilot training FlightSafety now does for large commercial jetliners will be done by the new company.

5.   Buyers of large jetliner orders usually get significant discounts.

6.   Experts say that all large jetliner engines are notoriously difficult to maintain.

7.   He had aroused suspicions at the Pan Am International Flight Academy where he wanted to get training on a flight simulator for large jetliners.

8.   Rohr makes jet engine housings for Boeing Co. and Airbus Industrie, the only two makers of large jetliners.

9.   Since Boeing bought McDonnell Douglas Corp. last year, Airbus is the only other maker of large jetliners.

10.   Also left off his list was Zacarias Moussaoui, a French-Algerian, detained in Minnesota after raising suspicions by seeking training on how to fly large jetliners.