A consortium of government agencies and major defense contractors has been assembled for the Autonomous Landing Guidance (ALG) Program. The purpose of the ALG program is to develop a prototype system that will integrate a variety of existing defense technologies to augment landing, take-off, and ground operations in low-visibility conditions, particularly on runways that are neither equipped nor approved for Category (CAT) II or III precision approaches. The Advanced Cockpits Branch of Wright Laboratory (WL/FIGP) supported the consortium by addressing pilot-vehicle interlace issues associated with the integration of ALG into aircraft cockpits. WL/FIGP conducted a study investigating the integration of symbology and sensor imagery on the head-up display (HUD) in an ALG/equipped aircraft. A variety of HUD symbology sets were evaluated under a number of sensor/visibility conditions using WL/FIGP's Transport Aircraft Cockpit (TRAC) simulator. Objective measures of pilot performance as well as subjective workload and acceptability ratings were collected and analyzed to determine the optimum integration of symbology and sensor imagery in the context of an ALG precision approach and landing.


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    Autonomous landing guidance system head-up display symbology evaluation

    Martin, Eric J. / Cone, Scott M. / Feitshans, Gregory L. | SPIE | 1996



    Head-Up Display Symbology

    W. P. Orrick / P. E. York | NTIS | 1975



    Situation Versus Command Guidance Symbology for Hybrid Landing Systems Applications

    Demosthenes, T. A. / Society of Automotive Engineers | British Library Conference Proceedings | 1992