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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 GPWS also gives altitude call-outs when approaching a runway.
The GPWS starts to call out altitudes once the aircraft reaches 2500ft.
by Ether2001 August 03, 2018
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GpW R0xers
by Becky December 14, 2003
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