Dec 06, 2021  
2021-2022 College Catalog 
    
2021-2022 College Catalog
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ATT 211 - Autonomous Navigation Systems

4.50 Credits, 6.00 Contact Hours
3.75 lecture periods 2.25 lab periods

Concepts, procedures, and regulatory requirements regarding various avionic systems used for navigation. Includes Slaved Compass Systems, Vertical Gyro Systems, and Inertial Navigation Systems.

Information: Students must either have FAA Airframe license, or completed PCC’s Aviation General Mechanics Curriculum before enrolling in this course. Additional self-paced independent course study materials will be provided as required.
  button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Discuss facts and concepts associated with subcomponents of Flight Reference Systems.
  2. Inspect a Compass system considering the installation methods and conditions of system components, and recommend corrective actions.
  3. Validate Vertical Gryo System operation, assess system integration and performance to determine serviceability of the system.
  4. Evaluate Inertial Navigation System operation and integration; develop an evidence based repair plan for any discrepancies discovered.
  5. Analyse AHRS and ADHRS system integration and sensing to predict the cause of various potential system troubles.
  6. Model an RNAV flight plan.
  7. Present the purpose of data bus control, LRU fault reporting, and data transfer principals in an organized, concise manner.

Outline:
  1. Flight Reference Fundamentals
    1. Gimbals
    2. Accelerometers
    3. Aircraft axes
    4. Gyro operating principals
    5. Ring laser gyros
    6. Precession and drift
    7. Magnetometers
  2. Slaved Compass System
    1. General component function and location
    2. Heading signal integration
    3. System operational check
    4. Troubleshooting and maintenance best practices
  3. Vertical Gyro System
    1. General component function and location
    2. System operational check
    3. Troubleshooting and maintenance best practices
    4. Integrity of mechanical components
    5. Flight safety implications
    6. Attitude signal integration
  4. Inertial Navigation System (INS)
    1. Alignment and calibration
    2. Advantages of autonomy
    3. Fixed reference platform
    4. General component function and location
    5. Flight crew usage during flight
    6. System operational check
    7. Troubleshooting and maintenance best practices
  5. AHRS/ADHRS
    1. General component function and location
    2. System operational check
    3. Troubleshooting and maintenance best practices
    4. Air Data Inertial Reference Unit (ADIRU)
    5. Signals provided by air data computer
      1. Calibrated/true airspeed
      2. Mach number
      3. Altitude
      4. Total/static air temperature
    6. Kalman filter
    7. Solid state inertial sensors
    8. System tie-in/integration
  6. RNAV
    1. Purpose
    2. Shortfalls
    3. Compare/Contrast with modern Flight Management Systems
  7. Data Bus Controller
    1. Fault isolation with LRU pages
    2. Flight planning
    3. Fuel calculations
    4. Obsolescence of navigator crew position
    5. Databus controller
    6. Program/update software and flight plan data


Effective Term:
Full Academic Year 2021-2022



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