Yet studies involving airlines show the desire to have some space to oneself is among the top passenger requests.

The script had played out in previous crashes involving other airlines.

Two involved domestic airlines and a third involved a foreign airline.

Normally, violations involving airlines are handled by the aviation agency, which is responsible for keeping the skies safe.

The representatives denounced the plan, saying there was no reason to exclude them, especially since the Sept. 11 attacks involved domestic airlines.

The department did not say how many of the near-collisions involved commercial airlines.

None of the involved accidents and incidents in the study involved major commercial airlines.

At least half a dozen of these torture fests have been well documented in the last five months, involving various airlines.

They named the investigation Unabom because the early victims involved universities and airlines.

And every expert warned that the most likely terrorist plots would involve commercial airlines.