11.   At the time, the aviation industry was beginning another of its devastating bust cycles.

12.   Block is part of a task force formed by the Federal Aviation Administration and the aviation industry that uncovered cracks in wiring last year while inspecting dozens of jets.

13.   Boeing is struggling to adjust to an aviation industry in crisis.

14.   Boeing is rushing to adjust to an aviation industry in crisis.

15.   Both are suppliers to the growing commercial aviation industry.

16.   -- Even the FAA, which enforces safety regulations on the aviation industry, is exempt.

17.   -- Even the Federal Aviation Administration -- which enforces safety regulations on the aviation industry -- exempts itself from the very rules it requires others to obey.

18.   A former air marshal from Missouri and some people in the aviation industry gave some insight on how the marshals operate.

19.   A sudden upswing in the number of emergency medical helicopter crashes has the specialized wing of the aviation industry looking at re-evaluating its safety standards.

20.   Aircraft orders often vary sharply from month to month, and the outlook for the aviation industry is far from bleak.