He would keep the device on unless they started losing height suddenly.

Without my engine I was losing height rapidly, at the rate of about a thousand feet a minute.

They watched the aircraft losing height towards the road, about two miles away.

He can fly in any direction, or lose height, but cannot climb higher.

The machine was losing speed and height at a rate that upset him.

Enough to hear the rush of air as they lost height.

They lost height rapidly, but the pilot still had control.

But this one was hit, losing height and then bursting into flames.

The road soon swings right and continues to lose height.

With sixty-seven miles to run he needed to lose height at nearly three thousand feet a minute.