Free Part-66 Module 5 Exam Prep
EASA Part-66 Module 5 - Digital Techniques / Electronic Instrument Systems
Prepare for the Part-66 Module 5 exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
Explore More EASA Part-66 Aircraft Maintenance Licence Modules
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
More From This Family
Videos and articles for deeper review.
Part-66 Module 5 Quick Facts
Time to Get Licensed
Most candidates complete a Part-147 Module 5 course over 1-2 weeks then sit the exam
From start to license in hand
Free Part-66 Module 5 Prep Tools
100 Practice Questions
Numbering systems, ARINC 429, logic gates, fibre optics, ESDS, EFIS/ECAM/EICAS and more, each with a worked explanation
AI-Powered Learning
Get instant explanations of ARINC 429 word fields, De Morgan logic equivalents and ESDS handling rules
Free Access
Full Module 5 practice with no signup required, built to the 2023/989 syllabus
What You'll Study
16 chapters covering the exam topics in this guide
Chapter 1: Numbering Systems
3 sections
Chapter 2: Data Conversion
3 sections
Chapter 3: ARINC 429 Data Buses
3 sections
Chapter 4: Advanced Avionics Data Buses and Aircraft Ethernet
3 sections
Chapter 5: Combinational Logic Gates and Boolean Algebra
3 sections
Chapter 6: Sequential Logic, Registers and Logic Diagrams
3 sections
Chapter 7: Computer Structure and Microprocessors
3 sections
Chapter 8: Integrated Circuits, Multiplexing and Integrated Modular Avionics
3 sections
Chapter 9: Fibre Optics in Aviation
3 sections
Chapter 10: Electronic Displays and Flight Instrument Layout
3 sections
Chapter 11: Electrostatic Sensitive Devices
3 sections
Chapter 12: Software Management Control and Airworthiness
3 sections
Chapter 13: Electromagnetic Environment
3 sections
Chapter 14: Engine Indication, Warning and Monitoring Systems
3 sections
Chapter 15: Flight Management, Navigation and Surveillance Systems
3 sections
Chapter 16: Fly-By-Wire, BITE, ACARS, Cabin and Information Systems
3 sections
Part-66 Module 5 Exam Details
EASA Part-66 Module 5 - Digital Techniques / Electronic Instrument Systems
Administered by EASA (exams sat at National Aviation Authorities or approved Part-147 organisations)
Exam Content Breakdown
Based on the official EASA (exams sat at National Aviation Authorities or approved Part-147 organisations) content outline
Binary, octal and hexadecimal conversions, binary coded decimal (BCD), and analogue-to-digital and digital-to-analogue conversion including resolution and sampling
ARINC 429 word format (label, SDI, data, SSM, parity), 12.5/100 kbit/s speeds, twisted shielded pair, simplex topology, ARINC 629 and AFDX/ARINC 664 switched Ethernet
AND, OR, NOT, NAND, NOR and XOR gates, truth tables, De Morgan equivalents, universal gates, flip-flops (SR, JK), counters and sequential versus combinational logic
CPU/ALU, RAM/ROM/PROM/EEPROM memory, address/data/control buses, word length, multiplexing, clock timing, Integrated Modular Avionics and software configuration control
Total internal reflection, core/cladding refractive index, multimode/single-mode fibre, EMI immunity, CRT, LED and LCD display principles, pixels, colour coding and reversion
Electrostatic sensitive device handling, wrist straps and anti-static packaging, EMC/EMI, HIRF, lightning protection, bonding, static dischargers and cable shielding
EFIS (PFD/ND), ECAM and EICAS, FMS/CDU, GNSS, TCAS, GPWS/EGPWS, IRS/AHRS, ADIRU, fly-by-wire, BITE and central maintenance computers
What's Included
16 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
I'm Ran Chen, an engineer with 20+ years of coding experience. I passed my Life Insurance license, EA exam, SIE, Series 6, 63, 65, and finally the CFP® exam.
Through all these exams, one thing became clear: exam prep is expensive. But with AI, we can change that. Quality preparation can now be free for everyone.
What's Next After the Part-66 Module 5?
After passing the Part-66 Module 5, you can pursue these career paths
EASA Part-66 Module 4 - Electronic Fundamentals
Semiconductor, gate and amplifier theory underpinning the digital techniques in Module 5
EASA Part-66 Module 13 - Aircraft Aerodynamics, Structures and Systems
B2 avionics systems module building on the digital and display knowledge from Module 5
Part-66 Module 5 Exam FAQ
Official EASA (exams sat at National Aviation Authorities or approved Part-147 organisations) Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free Part-66 Module 5 Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.