ABNORMAL FLIGHT

Section II. INSTRUCTOR OPERATOR STATION DESCRIPTION

TM-55-6930-212-10 Pyrometer and Thermocouple Tester Field Type N-3A Manual
Page Navigation
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TM 55-6930-212-10 introduced by the instructor produce the appropriate motion effects of yaw and roll, climb or descent, and variations in airspeed. Superimposed upon the background motion, the motion system provides characteristic periodic oscillations of the aircraft, lateral instability, and aircraft vibrations up to 5 cycles per second. In addition, continuous higher-frequency vibrations are simulated using a seat shaker in lieu of the motion system. Effects of sling load oscillations are also simulated through the motion system. 2-25. ABNORMAL FLIGHT. 2-26. The motion system reproduces the effects of rotor out-of-track and rotor out-of-balance failures. The motion simulated includes the effect of momentary incorrect control inputs. Hydraulic failure resulting in abnormal control configurations results in appropriate motion cues. High-speed characteristics and trim changes also cause appropriate effects in the motion system. 2-27. VISUAL SYSTEM. 2-28. The pilot/copilot stations have forward, left, and right side windows, and chin window visual displays. The visual generation system provides imagery to every sensor display in the simulator, including the out-the-window (OTW) scene. 2-29. DIGITAL IMAGE GENERATOR. 2-30. The digital image generator (DIG) system is a full-color visual display that provides imagery for day, dusk, and night scenes. The DIG is used for the six out the-window displays (two front, two side, and two chin window). It also provides imagery that represents night vision goggles (NVG) displays and simulates the action of a searchlight on the visual displays. 2-31. The two chin window displays are high-resolution, full-color visual displays. One display serves as the pilot's chin window, and the other serves as the copilot's chin window. Video signals are sent to each chin window display monitor from the DIG via distribution amplifiers in the visual interface cabinet. 2-32. The fields-of-view (FOV) for the windows are as follows: Window Pilot Copilot Front Up 13.3 (0.5) Up 13.3 (0.5) and Down 22.7 (0.5) Down 22.7 (0.5) side Right 24 (0.5) Right 24 (0.5) Left 24 (0.5) Left 24 (0.5) Chin Horizontal 22 (-0.5, +3) Horizontal 22 (-0.5.+3) Vertical 30 (-0.5, +3) Vertical 30 (-0.5, +3) Centered 40 (0.5) down, 27.5 (+0.5) left and right (both) 2-33. COMPUTER SYSTEM. 2-34. The simulator consists of the main computational system (MCS), which is made up of central processing units (CPU's 1, 2, and 3) and their associated auxiliary processing units (APU's). Each CPU has memory that can be accessed only by it and its associated APU's. 2-6

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