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Proceedings Paper

Flight test of a head-worn display as an equivalent-HUD for terminal operations
Author(s): K. J. Shelton; J. J. Arthur; L. J. Prinzel; S. N. Nicholas; S. P. Williams; R. E. Bailey
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Paper Abstract

Research, development, test, and evaluation of flight deck interface technologies is being conducted by NASA to proactively identify, develop, and mature tools, methods, and technologies for improving overall aircraft safety of new and legacy vehicles operating in the Next Generation Air Transportation System (NextGen). Under NASA’s Aviation Safety Program, one specific area of research is the use of small Head-Worn Displays (HWDs) as a potential equivalent display to a Head-up Display (HUD). Title 14 of the US CFR 91.175 describes a possible operational credit which can be obtained with airplane equipage of a HUD or an “equivalent”' display combined with Enhanced Vision (EV). A successful HWD implementation may provide the same safety and operational benefits as current HUD-equipped aircraft but for significantly more aircraft in which HUD installation is neither practical nor possible. A flight test was conducted to evaluate if the HWD, coupled with a head-tracker, can provide an equivalent display to a HUD. Approach and taxi testing was performed on-board NASA’s experimental King Air aircraft in various visual conditions. Preliminary quantitative results indicate the HWD tested provided equivalent HUD performance, however operational issues were uncovered. The HWD showed significant potential as all of the pilots liked the increased situation awareness attributable to the HWD’s unique capability of unlimited field-of-regard.

Paper Details

Date Published: 21 May 2015
PDF: 15 pages
Proc. SPIE 9470, Display Technologies and Applications for Defense, Security, and Avionics IX; and Head- and Helmet-Mounted Displays XX, 94700X (21 May 2015); doi: 10.1117/12.2177059
Show Author Affiliations
K. J. Shelton, NASA Langley Research Ctr. (United States)
J. J. Arthur, NASA Langley Research Ctr. (United States)
L. J. Prinzel, NASA Langley Research Ctr. (United States)
S. N. Nicholas, NASA Langley Research Ctr. (United States)
S. P. Williams, NASA Langley Research Ctr. (United States)
R. E. Bailey, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 9470:
Display Technologies and Applications for Defense, Security, and Avionics IX; and Head- and Helmet-Mounted Displays XX
Daniel D. Desjardins; Peter L. Marasco; Kalluri R. Sarma; Paul R. Havig, Editor(s)

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