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Pathway HUDs: are they viable?

S Fadden1, P M Ververs, C D Wickens

  • 1Intel Corporation, American Fork, Utah, USA.

Human Factors
|October 11, 2001
PubMed
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This study evaluated 3D pathway Head-Up Displays (HUDs) for aircraft landing and taxi. Pathway HUDs improved guidance, especially during ground operations, with minimal impact on event detection.

Area of Science:

  • Aviation Human Factors
  • Visual Perception
  • Human-Computer Interaction

Background:

  • Traditional aircraft displays present challenges for pilots navigating complex landing and taxi phases.
  • Head-Up Displays (HUDs) offer potential benefits but require careful design to avoid attentional issues.

Purpose of the Study:

  • To evaluate the effectiveness of 3D pathway HUDs compared to conventional 2D HUDs.
  • To assess pilot attention allocation between flight information and event monitoring with pathway HUDs.
  • To compare pathway display performance in head-up versus head-down locations.

Main Methods:

  • Two experiments were conducted comparing 3D pathway HUDs with 2D HUDs and assessing head-up versus head-down display locations.
  • Pilot guidance performance, attention strategies, and event detection were measured.

Related Experiment Videos

  • Data were analyzed within the framework of object- and space-based visual attention theories.

    • Main Results:

    • The 3D pathway HUD generally improved guidance performance compared to the 2D HUD.
    • Attentional tunneling was observed with the pathway HUD, potentially affecting unexpected event detection.
    • Excellent guidance was achieved in both head-up and head-down locations, with specific benefits for ground operations.

    Conclusions:

    • Pathway HUDs integrate the advantages of pathway information and HUD technology, particularly beneficial for ground operations.
    • Display location (head-up vs. head-down) has nuanced effects on tracking and event detection.
    • Findings inform the optimal design and placement of advanced flight displays for enhanced aviation safety.