TM 55-6930-212-10Section V. SYSTEMS SIMULATED2-73. GENERAL.2-74. The aircraft systems simulated are outlined in the following paragraphs.Simulation details are not provided because each aspect of pseudo real-time simulation is implemented by uniquehardware and software programs.2-75. ACCESSORY SYSTEMS SIMULATION.2-76. The following aircraft accessory systems provide operational status to the trainee and are simulated by softwarevia computer control:Auxiliary power unit (APU)Instrument indicationsEngine - fuelWeight and balanceEngine - oilNavigation and communicationFuel supplyFlight control responseTransmission - oilOutside environmentRotorDay, dusk, or night conditionsElectrical power system equipmentAnti-ice (engine)Hydraulic system (flight and utility) Cargo hooksAFCS2-77. VISUAL SIMULATION.2-78. The digital image generation (DIG) provides a full-color visual simulation system (day/night) which displays thefollowing realistic ground and sky conditions:Airfield topographyClear bright skyFlat, low-land topographyCloudy conditionsHilly, mountainous terrainIFR conditions2-79. SOUND SIMULATION.2-80. Analog generation under computer control provides the following sound simulation cues:EngineHydraulic pump (No.1 power transfer unit (PTU))TransmissionDroop stop poundingRotorGround start soundsAPUElectrical generators2-81. MOTION SIMULATION.2-82. An electrohydraulic-actuated, six-post, synergistic six-degree-of-freedom (6-DOF) motion system under computercontrol provides the following cues:Longitudinal displacement/onset cuesPitch attitude/onset cuesLateral displacement/onset cuesYaw attitude/onset cuesHeave displacement/onset cuesTurbulence effectsRoll attitude/onset cuesRotor out-of-track/balance effects2-16
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