Maricopa Community Colleges  AVT250   19966-20086 
Official Course Description: MCCCD Approval: 07/22/08
AVT250 19966-20086 L+L 6 Credit(s) 8 Period(s)
Navigation Systems: Advanced
Theory of operation, interfacing, and troubleshooting of automatic directional finder, very high frequency range, instrument landing, microwave landing, air traffic control, traffic alert, and collision avoidance, distance measurement equipment, radio altimeter, altitude alert, and ground proximity warning systems.
Prerequisites: AVT225 or permission of Department or Division.
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MCCCD Official Course Competencies:
 
AVT250   19966-20086 Navigation Systems: Advanced
1. Explain the theory of operation, test, and troubleshoot the automatic direction finder system. (I)
2. Explain the theory of operation, test, and troubleshoot the very high frequency system. (II)
3. Explain the theory of operation, test, troubleshoot, and adjust the components of the instrument landing system. (III)
4. Explain the theory of operation of the microwave landing system. (IV)
5. Explain the theory of operation of the air traffic control system and the traffic alert and collision avoidance, system. (V)
6. Explain the theory of operation, test, and troubleshoot components of the distance measuring equipment system. (VI)
7. Explain the theory of operation of the radio altimeter. (VII)
8. Explain the theory of operation of the altitude alert system. (VIII)
9. Explain the theory of operation of the ground proximity warning system. (IX)
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MCCCD Official Course Outline:
 
AVT250   19966-20086 Navigation Systems: Advanced
    I. Automatic Directional Finder (ADF) System
        A. Theory of Operation
        B. Frequency ranges
        C. Homing and tracking
        D. Antennas
          1. Types
            a. Loop
            b. Sense
          2. Locations
          3. Sense and loop radiation patterns
          4. H-field, E-field
          5. Fixed and rotating loop
          6. True null
          7. Quadrantal error corrector
        E. Modes
          1. Antenna
          2. Loop
          3. ADF
          4. Beat frequency oscillator
        F. Interfacing
      II. Very High Frequency (VOR) System
          A. Antennas
            1. Types,
            2. Locations
          B. E-types
            1. High altitude
            2. Low altitude
            3. Terminal
          C. Omni range theory of operation
          D. Test and troubleshoot
          E. Interfacing
        III. Instrument Landing System (ILS)
            A. Theory of operation
            B. Functions
              1. Precision approach
              2. Decision height
              3. Auto flight control system accessory unit
              4. ILS relay 5 Navigation transfer relay
              6. Radio and omega transfer switches
              7. Radio and omega transfer relays
              8. VHF navigation transfer switches
            C. Components
              1. Localizer
                a. Functions
                b. Frequency range
                c. Standard deviation percentages
                d. Modulation of signal
                e. Modulation percentages
                f. Radiation patterns for localizer
              2. Glide slope
                a. Functions
                b. Frequency range
                c. Standard deviation percentages
                d. Modulation of signal
                e. Modulation percentages
                f. Glide slope arrays
              3. Marker beacon
                a. Functions
                b. Frequency range
                c. Modulations of signal
                d. Modulation percentages
                e. Lamp threshold
                f. Locations of markers
              4. Antennas
                a. Localizer
                b. Glide slope
                c. Marker beacon
                d. Microwave landing system 1) Types 2) Locations
              5. Approach lighting
            D. Test, troubleshoot and adjust
              1. TIC tester
              2. NAV 401 tester
              3. JC AIR tester
            E. Interfacing
          IV. Microwave Landing Systems
              A. Theory of operation
                1. Time reference scanning beams
                2. Elevation and azimuth scanning rates
                3. Circuits
              B. Components
              C. Interfacing
            V. Air Traffic Control (ATC) System and Traffic Alert and Collision Avoidance Systems (TACAS)
                A. ATC System
                  1. Theory of operation
                  2. Components
                    a. Control panel
                    b. Antenna
                    c. Interrogation
                  3. Modes of operation
                    a. Air traffic control primary radar surveillance system
                    b. Air traffic control secondary radar surveillance system
                  4. Circuitry
                B. TACAS
                  1. Theory of operation
                  2. Components
                    a. Two antenna
                    b. Display screen
                    c. Control panel
                    d. TACAS processor
                  3. Circuitry
                C. Interfacing
              VI. Distance Measurement Equipment (DME) System
                  A. Theory of Operation
                    1. Principles and characteristics
                    2. Controls and modes
                  B. Components
                    1. Interegator
                    2. Antennas
                    3. Indicators
                  C. Operation
                    1. Slant range
                    2. Lapse time
                    3. Nautical and statue miles
                    4. Very high frequency omnirange and tactical air command and very high frequency omnirange distance measurement equipment stations
                    5. Frequency range
                    6. Frequency pairing
                    7. Characteristics of reply pulse pairs and interrogation pulse pairs
                    8. Squitter pulse
                    9. 50-microsecond delay
                    10. Identification pulse train
                    11. Ground speed, range, and time-to-station
                    12. Search and track modes
                    13. Typical circuits and controls
                    14. Indicator D.Test and troubleshoot
                  E. Interfacing
                VII. Radio Altimeter
                    A. Theory of operation
                    B. Components
                      1. Antennas
                        a. Types
                        b. Locations
                      2. Decision height light
                      3. Height indicator
                      4. Transmitter and receivers
                      5. Operation
                      6. Radio altimeter
                    C. Interfacing
                  VIII. Altitude Alert System
                      A. Theory of operation
                      B. Components
                        1. Altitude alert controller
                        2. Altitude alert annunciators
                        3. Audio alert unit
                      C. Interfacing
                    IX. Ground Proximity Warning System
                        A. Theory of operation
                          1. Mode 1
                          2. Mode 2
                          3. Mode 3
                          4. Mode 4
                          5. Mode 5
                        B. Components
                          1. Ground proximity warning computer
                          2. Lights and switches
                        C. Mode envelope
                        D. Modes and annunciation
                        F. Functional diagrams
                        G. Computation data sources
                        H. Operational diagram
                        I. Interfacing
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