VISUAL SYSTEM CAPABILITIES

Figure 2-5. Typical Lower GCA/ILS Display

TM-55-6930-212-10 Pyrometer and Thermocouple Tester Field Type N-3A Manual
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TM 55-6930-212-10 (9) It can freeze flight parameters selectively. (10) It can administer audio briefings. (11) It can stop and abort a program at any time in the event of an emergency. (12) It can retrieve stored performance data via hardcopy printer/plotter. (13) It provides control of the training program from the IOS, or limited control from the auxiliary control panel. (14) It provides time history plots of airspeed, altitude, and ground track, as IOS CRT display or as hardcopy. (15) It can alert the instructor immediately of trainee performance error. (16) It can alter environmental conditions that act on the aircraft. (17) It can compute and display ground-controlled approach (GCA) commands. (18) The instructor can function as flight engineer during load maneuvers. 2-61. VISUAL SYSTEM CAPABILITIES. 2-62. The full-color visual simulation system, combined with digital image generated visual effects, provides a realistic view of ground and sky conditions. 2-63. TRAINING TASKS. 2-64. Training is carried out in operating modes of visual, motion, and cockpit simulation. The task of the trainees is to become thoroughly knowledgeable with all aspects of actual helicopter flight. The instructor's task is to maintain complete control of simulated conditions for training and to fully monitor trainee performance in all normal and emergency operational aspects of the helicopter. 2-65. SIMULATED AIRCRAFT. 2-66. The CH-47D Chinook helicopter is manufactured by Boeing-Vertol. This twin-turbine-engine, tandem-rotor, medium-lift helicopter is used to transport cargo, troops, or weapons during day, night, VFR, or IFR conditions. The helicopter can carry cargo internally and transport low-density, aerodynamic, or high-density loads suspended beneath it on slings. 2-67. DEMONSTRATION MANEUVERS. 2-68. The capability exists for 20 recorded demonstrations with synchronized audio commentary. 2-69. GROUND-CONTROLLED APPROACH. 2-70. Ground-controlled approach (GCA) instructions, based on the simulated position, are displayed on a CRT so that the instructor can read them. (See figure 2-5 for a typical lower GCA/ILS display.) By placing the GCA display at the aft CRT, the scale can be changed from 10 nautical miles (nm) to 2 nautical miles. 2-13

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