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 defines GPWS as a type of terrain awareness warning system (TAWS). More advanced systems, introduced in 1996, are known as enhanced ground proximity warning systems (EGPWS), although sometimes confusingly called terrain awareness warning systems.
Read more about Ground Proximity Warning System: History, Effects and Statistics, Commercial Aircraft, Incidents, General Aviation, Military Fast Jet
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—Friedrich Nietzsche (1844–1900)
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—Anne Sexton (1928–1974)
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—Franklin D. Roosevelt (1882–1945)