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Oct 31, 2024
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2024-2025 College Catalog
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ATT 112 - Airframe and Instrument Systems 4.50 Credits, 6.00 Contact Hours 3.75 lecture periods 2.25 lab periods Concepts, procedures, and regulatory requirements regarding various avionic and aircraft electrical systems. Includes instrumentation; air data systems; pressurization and warning systems; and signal conversion for glass cockpit applications.
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.
Course Learning Outcomes
- Identify typical analog and digital instrument configurations and associated regulatory requirements.
- Demonstrate proficiency in handling, marking, and identifying drive mechanisms in analog instruments.
- Demonstrate proficiency in the identification, handling, testing and troubleshooting of air data systems.
- Demonstrate proficiency in the identification, handling, testing and troubleshooting of compass systems.
- Describe the types of fuel quantity indication, calibration processes and troubleshooting techniques associated with fuel quantity indication.
- Identify pressurization component function, location, and safety concerns.
- Identify the meaning of different audible warning tones, fire detection methods, position sensing and regulatory requirements of warning systems.
- Compare and contrast analog instrumentation with digital “glass cockpit” installations.
Outline:
- Instrumentation Basics
- Standard analog instrument installation configuration
- Glass flight deck capabilities and comparison
- Regulatory requirements
- Validity signals
- Readings, errors, and misreading
- Safety of flight
- Analog Instruments
- Range marking
- Slippage marking
- Three wire servo-synchro systems
- Indicator drive mechanisms (mechanical, electrical, etc.)
- Air Data Systems
- Pitot Static line handling
- Barometric altimeter
- Airspeed indication
- Vertical speed/rate of climb indication
- Test equipment use and precautions
- Integration with other systems
- Troubleshooting and maintenance best practices
- Compass System
- Compensator/flux valve
- Lines of magnetic flux
- Compass rose swing
- Digital compass system
- Directional gyroscope functionality
- Troubleshooting and maintenance best practices
- Fuel Quantity Indication
- Capacitance
- Float type
- Indication calibration
- Test equipment use and precautions
- Integration with other systems
- Troubleshooting and maintenance best practices
- Aircraft Pressurization
- Safety considerations
- Relief valve purpose
- Regulatory requirements
- Component location and function
- Troubleshooting and maintenance best practices
- Warning Systems
- Meaning of audible warning tones
- Regulatory requirements
- Fire detection methods
- Position sensors
- Weight on wheels
- Thermocouple repair and calibration
- Troubleshooting and maintenance best practices
- Digital Display/Glass Flight Deck
- Analog to digital signal conversion
- LED/CRT display comparison
- Flight symbol generation
- System interfacing and integration
Component installation considerations
Effective Term: Full Academic Year 2021-2022
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