Piloted Evaluation of Flight Director Go-Around Modes and Windshear Icon Concepts.

摘要

This paper presents some specific results of a piloted windshear investigation performed by the member of the GARTEUR Flight Mechanics Action Group FM-AG(07) at the end of 1994. The main objectives were to investigate the effect of forward-looking windshear detection systems on flight operation, flight safety and Human-Machine Interface (HMI) aspects. As a by-product the Flight Director (FD) performance for assistance during go-around and windshear recoveries was evaluated. Two different types of FD go-around modes were compared with each other. Also having no FD-assistance at all was compared with having a fixed pitch FD-mode. Some main results will be presented. Furthermore, two similar, but different forms of windshear icon presentations on the EFIS/NAV-display were evaluated. These icons were derived by means of a scanning laser in real time. A few main results will be given. Unexpectedly, some crashes occurred during the experiment. To learn of these, two of them will be analyzed. Some of the conclusions drawn were that, in case of a windshear recovery, having a fixed pitch FD mode assistance during the windshear recovery was found slightly better than having no FD-assistance. Furthermore the windshear icon displays improved situational awareness and reduced flight safety risk significantly.