1.   The crashes have been attributed to a variety of problems, from human error to software glitches to mechanical failure.

2.   Afterward, the crash was widely attributed to the loss of one man, DiSarcina, who mangled his left thumb the first week of August.

3.   Four Luke crashes have been attributed to engine problems.

4.   If the crash is eventually attributed to the failure of a nonmetal composite part, it would the first such failure for a commercial jetliner, experts said.

5.   In its report last week on the crash, prepared with the assistance of the safety board, the Colombian government attributed the crash to pilot error.

6.   Most everyone remembers when one of the jets crashed that August, a crash attributed in part to pilot error and in part to an inexperienced maintenance crew.

7.   She added, however, that many customers who had called for flights attributed the crash to terrorists and were less concerned.

8.   Some attribute the crash to anti-Weissler sentiment, because people in the industry resent their success.

9.   That crash was attributed to a fire aboard the plane.

10.   The crash was attributed to improperly packed airplane oxygen generators.