Maricopa Community Colleges  AVT225   19936-19965 
Official Course Description: MCCCD Approval: 05/25/93
AVT225 19936-19965 L+L 5 Credit(s) 6 Period(s)
Navigation Systems: Basic
Theory of operation, interfacing, troubleshooting, and repair of instrument systems, flight environment data systems, air data pressure systems, altitude and direction systems, clocks, and stall warning systems. Prerequisites: AVT110 and AVT115.
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MCCCD Official Course Competencies:
 
AVT225   19936-19965 Navigation Systems: Basic
1. Explain the basic operation of aircraft instrumentation systems. (I)
2. Test, troubleshoot, and repair aircraft instruments. (I)
3. Explain the basic operation of flight environment data systems and components. (II)
4. Test, troubleshoot, and repair flight environment data systems. (II)
5. Review clocks and their operation. (II)
6. Test, troubleshoot, and repair clocks and their related circuits. (III)
7. Explain the basic operation and purpose of stall warning systems. (IV)
8. Test, troubleshoot, and repair stall warning systems. (IV)
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MCCCD Official Course Outline:
 
AVT225   19936-19965 Navigation Systems: Basic
    I. Instrumentation Systems
        A. Theory of operation
        B. Components
        C. Symbols for synchro and servo components
        D. Winding voltages in synchros
        E. Control transformers
        F. Resolvers
        G. Bridges and monitors
        H. Servomotors, meters, and generators
        I. Gyros
          1. Rigidity and precision
          2. Parts of gyros
          3. Causes of gyro drift
          4. Servo amplifier types
            a. Vertical
            b. Directional
            c. Laser gyro
          5. Gyro compass system
            a. Flux valve
          6. Magnetic compass systems
        J. Flux detectors
        K. Split-phase and direct-current motors
        L. Saturable reactors
        M. Single-cycle and index errors
        N. Modes of operation of the compass system
          1. Directional gyro mode
          2. Slave mode
        O. Testing, troubleshooting, and repairing instrumentation systems
      II. Flight Environment Data Systems
          A. Theory of operation
          B. Pitot and static systems
            1. Pitot-static probe
            2. Pitot system
            3. Static system
            4. Captain Pitot-static system
            5. First officer Pitot-static system
            6. Auxiliary static system
            7. Alternate Pitot-static system
          C. Maintenance practices
            1. Draining
            2. Flushing
          D. Adjustment and testing
          E. Pitot system, elevator feel computer
          F. Accelerometers
            1. Vertical
            2. Horizontal
          G. Air data pressure instruments
            1. Altimeter
              a. Theory of operation
              b. Types
            2. Airspeed and mach indicators
              a. Types
            3. Vertical-speed indicator
              a. Theory of operation
              b. Types
            4. Standby airspeed indicator
            5. Standby altimeter
            6. Digital air data computer
              a. General description
              b. Components
              c. Angle-of-attack sensor
              d. Total air temperature probe
              e. Main inputs
            7. Air data temperature indicating system
              a. Total air temperature
              b. Static air temperature
            8. Altitude directional indicator and electronic altitude directional indicator
              a. Theory of operation
              b. Types
          H. Altitude and direction system theory of operation
            1. Compass system
              a. Horizontal situation indicator
              b. Directional gyro
              c. Compass controller
              d. Flight instrument accessory unit
              e. Radio magnetic indicator
              f. Troubleshooting and adjustment
              g. Compass swinging
            2. Remote compass transmitter
            3. Directional gyro
            4. Altitude reference system
            5. Altitude director indicator
            6. Vertical gyro
            7. Turn-and-bank indicator
            8. Magnetic standby compass
            9. Standby artificial horizon system
              a. Removal and installation
              b. Adjustment and test
              c. Troubleshoot and repair
        III. Clocks: Digital and Analog
            A. Greenwich Mean Time
            B. Synchronization
            C. Test, troubleshoot, and adjust
          IV. Stall Warning System
              A. Function
              B. Operation
              C. Types
              D. Modes
                1. Alpha
                2. Beta
              E. Test, troubleshoot, and repair
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