Instruments

Ground Proximity Warning System(GPWS)

Definition

A system that alerts pilots to potential controlled flight into terrain by monitoring radio altitude, barometric altitude, glideslope deviation, and aircraft configuration. EGPWS adds terrain database mapping.

Related Terms

Enhanced Ground Proximity Warning System(EGPWS)

An advanced GPWS using a worldwide terrain database and GPS position to provide ...

Radio Altimeter(RA)

An instrument that measures exact height above the ground using radar signals. A...

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