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A ground proximity warning system (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as a type of terrain awareness and warning system (TAWS). [ 1 ]
GPWS was found to be superior in that it would warn only when necessary, provide maximum warning time with minimal unwanted alarms, and use command-type warnings. [6] Based on these reports and NTSB recommendations, in 1992 the FAA amended §135.153 to require GPWS equipment on all turbine-powered airplanes with ten or more passenger seats. [6 ...
ground: Airfield operations GP glide path See instrument landing system: GPP general practices and procedures GPS Global Positioning System: Avionics GPU Ground Power Unit: Aerospace Ground Equipment GPWS ground proximity warning system: Avionics G/S glideslope: Avionics GS groundspeed: GSE ground support equipment: Aerospace ground equipment GSPT
One potential problem with TCAS II is the possibility that a recommended avoidance maneuver might direct the flight crew to descend toward terrain below a safe altitude. Recent requirements for incorporation of ground proximity mitigate this risk. Ground proximity warning alerts have priority in the cockpit over TCAS alerts.
Bateman in 2012. Charles Donald Bateman (8 March 1932 - 21 May 2023 (aged 91)), often known as Don Bateman, was a Canadian electrical engineer and the inventor of the Ground Proximity Warning System (GPWS), a device that is responsible for a marked decline in controlled flight into terrain accidents, such as the Mount Erebus Disaster with Air New Zealand Flight 901.
TERPROM (terrain profile matching) is a military navigation Ground Proximity Warning System (GPWS) employed on aircraft and missiles, which uses stored digital elevation data combined with navigation system and radar altimeter inputs to compute the location of an aircraft or missile above the surface of the Earth. It is also used as a warning ...
The U.S. FAA defines GPWS as a type of terrain awareness warning system.[1] More advanced systems, introduced in 1996,[2] are known as enhanced ground proximity warning system, although sometimes confusingly labeled with the TAWS term. I think this should be rephrased. As far as I know, the EGPWS is a TAWS. TAWS is the system, EGPWS is a ...
To help avoid controlled flight into terrain , aircraft use systems such as ground-proximity warning systems (GPWS), which use radar altimeters as a key element. One of the major weaknesses of GPWS is the lack of "look-ahead" information, because it only provides altitude above terrain "look-down".