Flight Evaluation of the Contact Analog Pictorial Display System
BELL HELICOPTER TEXTRON INC FORT WORTH TX FORT WORTH
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The work represents a series of flight test evaluations of a vertical flight display or contact analog. Three experimental flight tests were conducted in the JANAIR flight test vehicle which was a UH-1 helicopter known as Research Helicopter Number 2 RH-2. The first study evaluated the vertical display containing the basic grid plane plus a ground position indicator. The hover flight mode was the test maneuver. Four types of control stabilization were tested with the display with varying degrees of control sensitivity. The second study examined the basic grid plane with and without a director symbol in the form of a flight pathway. Speed indices were presented on the pathway in the form of tarstrips and speed markers. During cross-country flight maneuvering, a ground position indicator defined final touch-down position. Only one flight stabilization mode was tested. The flights were comprehensive in their coverage of the spectrum of basic flight maneuvers. The final investigation was designed to determine the usefulness of augmenting the display components horizon line and basic grid plane with a TV presentation superimposed upon the vertical flight display. Several flight modes were investigated.