Federal regulations prohibit airlines from allowing passengers to bring their own oxygen canisters aboard to use during the flight.

The government prohibits airlines from searching more than two Arabs per flight, so it would be terrific if liberals would let us examine their financial statements.

The Act prohibits commercial airlines from discriminating against passengers with disabilities.

Federal law prohibits airlines from publicly discussing such matters because of fears of collusion.

(American laws prohibit foreign airlines from owning more than 25 percent of the voting stock in American carriers.)

But in fact, the aviation agency specifically prohibits airlines or embassies from disseminating the warnings to the public.

The 1986 law prohibits South African airlines and aircraft from flying to the United States.

The Department of Transportation has announced it is prohibiting airlines from nine countries from flying to the United States because the countries do not meet international safety standards.

The result of European reluctance would be to prohibit airlines from passing on all the data concerned, something that would put them in an untenable position, and to complicate the crucial fight against terrorism.

This would prohibit airlines from placing overly optimistic flight schedules into the nation's computer reservation systems - a common practice that inevitably leads to a record of late arrivals.