Human Factors Experiments for Data Link: Interim Report No. 5
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1975-02-01
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Abstract:One and two-man crews of general aviation pilots and two-man crews of FAA/NAFEC test pilots made a series of simulated flights in a GAT-2 simulator to evaluate various complements of I/O equipment for Data Link. In the earlier experiments in the series, uplink messages have been limited to short ATC commands and advisories, and downlink capabilities limited to simple "Wilco" or "Unable" responses. In the present experiment, complete uplink capability was extended to permit generation of requests for a variety of information. Seven different combinations of devices were evaluated, the devices including a 16-character display for Short Message ATC (SMATC), a printer for longer ATC messages, a Voice Synthesizer (Vosyn), and two different Control and Downlink Units (CDU) varying in complexity and in capability for the repertoire of downlink messages which could be generated. Pilot opinion was universally favorable. Uplink messages were interpreted rapidly and accurately, and despite limited training in its use, the more complex CDU presented no difficulties to the crews.
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Content Notes:Introduction, Experimental conditions, Experimental results, Discussion, Plans for future experiments, Summary, Appendices
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