STATE OF THE ART FOR V/STOL CONTROL DISPLAY.
LEAR SIEGLER INC GRAND RAPIDS MI INSTRUMENT DIV
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A survey was conducted to establish the state-of-the-art in VSTOL control-display development and application. Visitations were made to fifteen United States firms and government agencies actively engaged in VSTOL development and data correlated with reported European VSTOL development. Most research activity to date has been concerned with propulsion feasibility and aircraft aerodynamic characteristics with little emphasis on control-display sub-systems analysis. Some VSTOL simulation has been conducted, primarily in the areas of altitude control during the hover phase. Areas requiring intensive control-display analysis to fully utilize the unique VSTOL capabilities include engine instrumentation, low air speed sensing and display, wing stall condition and angle of attack during transition phases, visibility requirements, and terminal guidance requirements. Author