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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
Summary
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.
- 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.
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