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CANCELED - Use of a Monocular Head-Worn Display in Lieu of a Head-Up Display for Commercial Aircraft Approach and Landing with an Enhanced Flight Vision System: Considerations for Safety and Usability

SessionPoster Session 2

DescriptionIn this study, an experiment was carried out to determine whether pilot performance, workload, and pilot-reported usability during an SA CAT I approach and landing differed as a function of whether they flew with a HUD or with a monocular HWD, as well as whether there were differential effects on these outcomes depending on whether the display presented Enhanced Flight Vision System (EFVS) imagery or whether it presented basic flight symbology only. Eleven Part 121 flight crews flew daytime and nighttime SA CAT I approach and landing scenarios using a HUD and a monocular HWD with and without an EFVS in the FAA’s Boeing 737 Level D-equivalent simulator. The findings of the study suggest that a monocular HWD may not have a significant negative impact on a pilot’s ability to manage most aspects of the flightpath during a routine SA CAT I operation; however, the monocular HWD elevated pilot workload. Pilots reported that the EFVS enhanced their awareness of the runway environment when transitioning from instrument to visual flight references; however, it was reported to be a hindrance when transitioning to flare, landing, and rollout regardless of whether it was implemented on a HUD or a monocular HWD.

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