Abstract: A consortium of government agencies and major defense contractors has been assembled for the Autonomous Landing Guidance (ALG) Technology Reinvestment Project (TRP). The purpose of the ALG TRP is to develop a prototype system that will integrate a variety of existing 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 interface issues associated with the integration of ALG systems 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. Four HUD symbology sets were evaluated under a number of sensor/visibility conditions using WL/FIGP's Transport Aircraft Cockpit 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.!16
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