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.
References in periodicals archive ?
For his insight, creativity, and farsightedness in fostering the introduction of both Ground Proximity Warning Systems and Enhanced GPWS, which dramatically reduced the number of Controlled Flight Into Terrain (CFIT) accidents--resulting in immeasurable reduction of fatalities and saving countless lives.
airlines started a voluntary program to install an enhanced ground proximity warning system (EGPWS) in most of their aircraft.
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.
Shortly after, the ground proximity warning system gave a warning to pull up, and the first officer called for a missed approach.
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.
A report by accident investigators from the French Transport Ministry showed that the plane's ground proximity warning system, which sounds an alarm if the altitude is too low, was not working.
The Enhanced Ground Proximity Warning System will be installed on American's 635 planes beginning Nov.
This upgrade improves the existing Enhanced Ground Proximity Warning System standard at many airports to provide aural alerts to improve crew awareness of an aircraft's actual position relative to runways and taxiways during takeoff, landing and taxi operations.
20 as part of an NTSB hearing into the crash, said pilot Cerea Beal and first officer Shanda Fanning did not get a "too low terrain" warning from the plane's Enhanced Ground Proximity Warning System until one second after the first sound of impact with trees in a residential area during its descent.
The Enhanced Ground Proximity Warning System was not a requirement for the helicopter to operate and the alerts it provided could become considered as "nuisance" alerts, the report claimed.