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Definitions from WordNet

Definitions from the Web

Groundspeed

Noun:

1. The speed of an aircraft relative to the Earth's surface, usually measured in knots.

Sample Sentence: The pilot announced that the groundspeed of the airplane was 500 knots.

Related Products: Aircraft Navigation Tools

Verb:

1. (Aviation) To accelerate or decelerate an aircraft to achieve a desired groundspeed.

Sample Sentence: The pilot had to groundspeed the plane to match the required speed for landing.

Related Products: Flight Simulator Joystick

Adjective:

1. Describing or relating to the speed of an aircraft in terms of its velocity relative to the Earth's surface.

Sample Sentence: The groundspeed indicator showed the current speed of the plane in knots.

Related Products: Pilot Headset