Avionics Training

Lesson 1 • Signal Types and Data Buses

Explains analog signals, discrete signals, and digital data bus protocols used in avionics. Students distinguish signal types and trace data paths on wiring diagrams.

Lesson 2 • Regulatory Framework for Avionics

Surveys airworthiness certification requirements and maintenance approval processes. Connects regulatory compliance to every hands-on task in the course.

Lesson 3 • Avionics System Architecture Overview

Introduces the modular layout of modern avionics suites and data interconnections. Provides a system-level map students reference throughout the course.

Lesson 1 • Hand Tools and Workspace Safety

Covers tool identification, electrostatic discharge precautions, and safe workspace setup. Proper tool use prevents damage to sensitive avionics hardware.

Lesson 2 • Wiring Diagrams and Schematics

Builds skills in reading aircraft wiring diagrams, block diagrams, and interconnect schematics. Diagram literacy is applied in every subsequent troubleshooting chapter.

Lesson 3 • Avionics-Specific Test Sets

Introduces ramp testers, transponder test sets, and ILS/VOR signal simulators. Students match each test set to the system under evaluation.

Lesson 1 • HF Communication Systems

Covers HF propagation, coupler tuning, and long-range communication procedures. Students understand HF-specific maintenance challenges such as antenna coupler faults.

Lesson 2 • SATCOM and Data Link Systems

Introduces satellite communication architectures, high-gain antennas, and ACARS data link. Students trace signal paths from cockpit to satellite and ground station.

Lesson 3 • Communication System Testing and Troubleshooting

Applies test procedures to verify transmit power, receive sensitivity, and audio quality. Students isolate faults using fault trees and built-in test equipment.

Lesson 1 • Instrument Landing System

Covers localizer, glide slope, and marker beacon signal structures for precision approaches. Students relate ILS signal geometry to aircraft deviation indications.

Lesson 2 • Inertial and Hybrid Navigation

Explains inertial reference system operation, drift characteristics, and GPS/IRS integration. Students trace how hybrid systems maintain accuracy during GPS outages.

Lesson 3 • GPS and GNSS Principles

Introduces satellite ranging, position computation, and integrity monitoring in GNSS. Students explain RAIM, WAAS, and augmentation system roles.

Lesson 4 • VOR and DME Navigation

Explains VOR bearing derivation, DME ranging, and VORTAC station architecture. Students interpret cockpit indications and identify common signal errors.

Lesson 1 • ADS-B Architecture and Performance

Introduces ADS-B Out and In architectures, 1090ES message formats, and position source requirements. Students verify ADS-B performance against regulatory mandates.

Lesson 2 • Traffic Collision Avoidance System

Covers TCAS II surveillance logic, threat resolution advisories, and coordination between aircraft. Students interpret RA displays and understand TCAS operational limits.

Lesson 3 • Surveillance System Testing

Applies ramp test procedures to verify transponder reply rate, TCAS sensitivity, and ADS-B accuracy. Students document test results and identify out-of-tolerance conditions.

Lesson 1 • Attitude and Heading Reference Systems

Introduces AHRS sensor fusion, magnetic heading computation, and alignment procedures. Students compare AHRS outputs to IRS data and identify discrepancies.

Lesson 2 • Air Data Computers and Sensors

Covers ADC architecture, pressure transducers, and computed outputs including Mach and TAS. Students trace ADC signal paths and interpret built-in test results.

Lesson 3 • Electronic Flight Instrument Systems

Covers PFD and MFD display architecture, symbol generator functions, and reversionary modes. Students configure display systems and verify correct data presentation.

Lesson 4 • Pitot-Static System Fundamentals

Explains pitot pressure, static pressure, and their roles in airspeed and altitude computation. Students identify pitot-static plumbing layouts and leak sources.

Lesson 1 • Autopilot System Architecture

Explains flight control computer inputs, servo actuator types, and mode control panel functions. Students map data flows from sensors through computers to control surfaces.

Lesson 2 • Autopilot Troubleshooting and Rigging

Applies fault isolation procedures to autopilot oscillations, uncommanded inputs, and mode failures. Students perform servo rigging and verify control surface authority limits.

Lesson 3 • Flight Director and Guidance Modes

Covers lateral and vertical guidance modes, mode annunciation, and transition logic. Students interpret flight director commands and verify mode sequencing.

Lesson 4 • Autothrottle and Speed Control

Introduces autothrottle servo operation, speed targeting, and thrust management integration. Students verify autothrottle engagement and speed-hold accuracy.

Lesson 1 • Structured Fault Isolation Methodology

Introduces the six-step fault isolation process, fault tree analysis, and hypothesis testing. Students apply the method to simulated multi-system faults before hands-on tasks.

Lesson 2 • Cross-System Fault Analysis

Examines faults that span communication, navigation, and surveillance systems simultaneously. Students trace shared data buses and power sources to identify root causes.

Lesson 3 • Intermittent Fault Diagnosis

Addresses connector corrosion, wire chafing, and thermal cycling as intermittent fault causes. Students use signal monitoring and vibration testing to capture elusive faults.

Lesson 4 • Using BITE and Centralized Maintenance Systems

Covers BITE architecture, fault code interpretation, and centralized maintenance computer use. Students retrieve, filter, and prioritize fault messages for efficient repair.