Second decision in the EVS concept: an experiment to evaluate pilot ability

Bruno Aymeric; Alain Leger; Thierry Kostoj

doi:10.1117/12.317495

30 July 1998 Second decision in the EVS concept: an experiment to evaluate pilot ability

Bruno Aymeric, Alain Leger, Thierry Kostoj

Proceedings Volume 3364, Enhanced and Synthetic Vision 1998; (1998) https://doi.org/10.1117/12.317495
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

The scope of this research is the use of an infrared sensor image, projected on a HUD, to land an A/C in 200 m RVR (CATIII) when the airfield is equipped only for CATI. The corresponding operational scenario requires that the pilot perform a second decision on direct visual cues at 50 ft (CATIII DH). This second decision is the core of the concept and appears as one of the most acute problems against the EVS concept. To initiate the reflection, we conducted an experiment to test the ability of pilots to take a correct decision in abnormal situations, using SXT part task simulator. Results show an overall correct behavior of the pilots despite a workload much higher than it would be in real operations. Their comments during and after each trial demonstrate a correct awareness of their situation with respect to the real runway at 50 ft (direct visual cues). However a few instances of incorrect decision occurred and are discussed. The conclusion is that it seems possible to propose a 2 decisions procedure, but further experiments are required. Lessons learned to set up these experiments are presented.

Citation Download Citation

Bruno Aymeric, Alain Leger, and Thierry Kostoj "Second decision in the EVS concept: an experiment to evaluate pilot ability", Proc. SPIE 3364, Enhanced and Synthetic Vision 1998, (30 July 1998); https://doi.org/10.1117/12.317495

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