ground speed , auch: groundspeed

It was making a ground speed of 910 miles per hour.

Do you have any idea of our position and ground speed?"

That boosted their ground speed to 782 miles per hour.

The device was also used as a ground speed indicator.

"Sorry," she said, moving on at her top ground speed.

This is because good control is reached at a much lower ground speed.

The range can be seen as the average ground speed multiplied by the maximum time in the air.

He touched down in the sand and ran quickly to arrest his ground speed.

I estimate their equivalent ground speed in excess of one hundred miles per hour.

His eyes on the ground speeding past them, Lars reached out to grab her hand.

"The wind's strong enough to give us great lift right now, but our ground speed is zero.

This eliminated the need for a stopwatch to measure the ground speed.

The head winds had reached them, slowing the plane's ground speed down to a little over a hundred miles per hour.

An aircraft heading vertically would have a ground speed of zero.

The Viking shot forward, reaching over 120 knots of ground speed in four seconds.

It was hard to judge his ground speed.

Jesse waited until the ground speed settled down, then checked the time to the airport.

He went slanting down to match the planet's ground speed hi his approach.

We were flying at 35,000 feet, he said, and maintaining a 462 mile-per-hour ground speed.

It wasn't a matter of mileage and ground speed.

His average ground speed over the flight was 322 mph (518 km/h).

In this case the error is simply the ground speed of the aircraft over this time, or about 30 feet.

Still, with headwind, this only took our actual ground speed up to normal cruise.

She watched the ground speed up toward her, began to breathe in fast pants to pump adrenaline.

The aircraft was traveling at 43,000 feet, moving at a ground speed of 633 knots.