It is some type of experimental craft, of course.

You're sure there's nothing on the registry at all, not even speculation about an experimental craft of this size?

After a short flight, the experimental craft was brought down, intentionally or accidentally, in rural Pennsylvania.

"It is difficult to say when an experimental craft that has never flown before is ready."

"Could it be some sort of new experimental craft?"

The experimental craft had never been designed to carry a hundred fleeing Zensunnis without equipment or the basic tools of self-sufficiency.

He decides to give the experimental craft another try and another commander.

The plane, known as 008, was an airborne launching platform for many experimental craft and rockets, including the X-15.

Unusually for the period, Pearce agreed to guarantee the speed of an experimental craft.

The switch in modes involves the experimental craft's most sensitive new technology.