Propriety was expected for the theater, and for airplane travel, too.

As a result, airplane travel is attainable for a wider spectrum of class groups.

In the past half century, airplane travel has changed from an indulgence of the well-to-do to a convenience that most people can enjoy.

For airplane travel, there are sizes that can carry 75, 150 or 250 pounds.

In many cases, they will substitute trips by car, bus, train and ship for airplane travel.

Flat beds have been part of first-class airplane travel for several years, at least on long flights across the oceans.

But they do issue one caveat: in some situations, like airplane travel, the unit will function better with an external antenna.

They're becoming less and less useful in this day of airplane travel.

But if airplane travel is an everyday and necessary affair here, it is also a dangerous one.

Perhaps I am less a devotee of airplane travel now than when I made my first flight back in 1937.