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Patent

Lane guidance system

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TLDR
In this paper, a method and apparatus for continuously prompting a pilot to manually control and guide a vehicle along a selected line segment of a pattern of coverage of a target area is presented.
Abstract
A method and apparatus for continuously prompting a pilot to manually control and guide a vehicle along a selected line segment of a pattern of coverage of a target area. An on-board receiver and computer receives navigation reference signals, computes navigation parameters and generates navigation signals to an indicator. The indicator is placed within the normal forward field of outside vision of the vehicle's pilot. In a virtual flagman mode, the indicator has lower and upper horizontal lightbars on which discreet lights are illuminated to the left or right of the centerpoint to simulate the relative lateral position of actual flagmen at the beginning and end points of the line segment being tracked. In a flight director mode, the indicator shows a composite sum of factored navigation parameters including angle of intercept between the line segment and vehicle track, perpendicular distance of the vehicle from the line segment, and rate of turn of the vehicle, as a control instruction to the pilot. The system may include audible tone or voice prompts as well.

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Citations
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References
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Patent

Aircraft flight instrument display system

TL;DR: In this paper, a synthetically generated symbology provides the pilot with an integrated display of substantially all aircraft attitude and flight path command and control parameters including attitude and magnetic heading, barometric and radiometric attitude, vertical spread, critical take-off speeds, true airspeed and Mach airspeed, flight path angle, flight director path control commands, and mode annunciation for the flight director and automatic pilot systems.
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