Evaluation of a Terrain Proximity Warning System (Downward Looking Radar) for Possible Enhancement of Flight Safety.

摘要

The objective of this effort was the evaluation of an airborne Ground Proximity Warning System (GPWS). This device uses,as its primary control parameter,absolute height above the ground (terrain),as determined by an airborne radio (radar) altimeter. The evaluation was based on the following: (1) A review of published reports and brochures. (2) A review and analysis of available industry flight test data. (3) A review and analysis of all FAA certification tests concerning the GPWS.