ground proximity warning system


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ground proximity warning system

[′grau̇nd präk¦sim·əd·ē ′wȯrn·iŋ ‚sis·təm]
(navigation)
An airborne computer that provides a pilot with visual and audible warnings when it senses the aircraft may inadvertently make contact with the ground.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"During the approach, the aircraft descended rapidly, triggering a Ground Proximity Warning System (GPWS) alert on board the aircraft.
The Honeywell enhanced ground proximity warning system, which is found in commercial helicopters, uses a stored database with terrain elevation data to give audible and symbolic collision warnings, but Sandblaster needs higher resolution to augment the radar pseudo-picture.
Despite a standard onboard alert system known as the Ground Proximity Warning System (GPWS), commercial airplane pilots fly into mountains with alarming regularity.
A solution has been proposed to CFIT in the form of electronic equipment called an Enhanced Ground Proximity Warning System (EGPWS) to warn pilots of dangerous terrain ahead of the aircraft.
Consider the example of the Ground Proximity Warning System (GPWS), recently recounted by Jeff Brazil in the Los Angeles Times.
The firm fitted out each of the Coast Guard's Search and Rescue machines with an Enhanced Ground Proximity Warning System.
"That doesn't mean we never have 'altitude busts' [aircraft descending to altitudes for which they aren't given clearance] but there is very good backup with Traffic Collision Avoidance System and Ground Proximity Warning System." Sarah Jones agrees on the potential for errors.
In addition to the HTF7350, Honeywell will supply Bombardier with its 36-150 APU, which is currently on the Challenger 300 aircraft, its Inertial Navigation System and Enhanced Ground Proximity Warning System (EGPWS) database for improved navigation and situational awareness.
The airplane was equipped with an Enhanced Ground Proximity Warning System (EGPWS), including a pilot-activated inhibit switch.
According to the committee's report, during the approach, the Ground Proximity Warning System on the plane sounded alerts and warnings 15 times and the co-pilot called for the pilot to go around.
The MoD said yesterday: ``The Board of Inquiry recommended that a Ground Proximity Warning System or a Radar Altimeter was fitted to the Hawk aircraft; and that a voice chan-nel be incorporated in t he Hawk Accident Data Recorder.