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Proceedings Paper

Helmet-mounted display as a primary flight reference
Author(s): Christian L. Hart; Scott D. Fechtig
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Paper Abstract

As a cockpit display medium, HMDs have unique characteristics that must be considered when integrating these systems into aircraft. Two primary advantages of HMDs are that they display information directly in the pilot’s line of sight and they allow for off-boresight cueing and targeting of weapon systems. It is important to note that these two advantages of HMDs can also be viewed as two disadvantages. Because HMD symbology is displayed in the pilot’s line of sight, the display can obscure the out-the-window scene. There is also anecdotal evidence that offboresight targeting information presented in a HMD may cause pilot fixation, leading to reduced situational awareness. HMDs offer capabilities never before available in any type of cockpit display device - specifically, the ability to present an egocentric, augmented reality display presentation throughout the full field of regard of the pilot’s natural vision. Capitalizing on the unique capabilities of helmet mounted displays will provide increased spatial and situational awareness throughout all regimes of flight, especially in low visibility or high workload conditions. During this effort, Navy and Boeing team members developed several operational helmet-mounted display (HMD) symbology formats that fulfilled the primary flight reference (PFR) requirements. Team members down-selected a set of concepts for evaluation in a flight simulator. These concepts were integrated and evaluated using pilot-in-theloop simulations in the Crewstation Technology Laboratory (CTL) at the Naval Air Warfare Center Aircraft Division in Patuxent River, MD. This paper details the first series of evaluations on these formats. Additional evaluations will be performed on the second iteration of the formats during in the summer of 2002.

Paper Details

Date Published: 5 August 2002
PDF: 6 pages
Proc. SPIE 4711, Helmet- and Head-Mounted Displays VII, (5 August 2002); doi: 10.1117/12.490266
Show Author Affiliations
Christian L. Hart, Naval Air Systems Warfare Ctr. (United States)
Scott D. Fechtig, Naval Air Systems Warfare Ctr. (United States)

Published in SPIE Proceedings Vol. 4711:
Helmet- and Head-Mounted Displays VII
Clarence E. Rash; Colin E. Reese, Editor(s)

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