Free Part-66 Module 6 Exam Prep
EASA Part-66 Module 06 - Materials and Hardware
Prepare for the Part-66 Module 6 exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
Buy on AmazonExplore 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 6 Quick Facts
Time to Get Licensed
Most candidates prepare over 4-8 weeks alongside a Part-147 course or self-study
From start to license in hand
Free Part-66 Module 6 Prep Tools
100 Practice Questions
Covers ferrous/non-ferrous alloys, corrosion, fasteners and rivets, bearings, control cables and EWIS wiring with detailed explanations
AI-Powered Learning
Ask the AI tutor to explain temper codes, corrosion types, rivet head markings and gear ratios in plain language
Free Access
All Module 6 practice questions are free with no signup required
What You'll Study
12 chapters covering the exam topics in this guide
Chapter 1: Ferrous Aircraft Materials
4 sections
Chapter 2: Non-Ferrous Aircraft Materials
4 sections
Chapter 3: Composite and Non-Metallic Materials
5 sections
Chapter 4: Aircraft Corrosion & Surface Protection
3 sections
Chapter 5: Fasteners — Threaded Fasteners & Locking Devices
5 sections
Chapter 6: Fasteners — Aircraft Rivets
2 sections
Chapter 7: Pipes, Flexible Hoses & Unions
3 sections
Chapter 8: Springs
2 sections
Chapter 9: Bearings
3 sections
Chapter 10: Transmissions & Mechanical Drives
2 sections
Chapter 11: Flight Control Cables
3 sections
Chapter 12: Electrical Cables & Connectors (EWIS)
4 sections
Part-66 Module 6 Exam Details
EASA Part-66 Module 06 - Materials and Hardware
Administered by EASA framework (exams sat at National Aviation Authorities or approved Part-147 organisations)
Exam Content Breakdown
Based on the official EASA framework (exams sat at National Aviation Authorities or approved Part-147 organisations) content outline
Alloy steels (SAE 4130/4340) and their heat treatment (annealing, normalising, hardening, tempering, case hardening); aluminium alloy designations (2024, 7075), temper codes (T3, T6, T73), clad sheet, titanium and magnesium; testing for hardness, tensile, fatigue and impact
Fibre types (carbon, glass, aramid/Kevlar), thermoset and thermoplastic resins, honeycomb sandwich construction, ply orientation, defect detection (delamination, disbond) by tap test, repair awareness, and transparencies (acrylic/polycarbonate)
Corrosion types (galvanic, intergranular, exfoliation, stress, fretting, pitting, filiform), causes and contributing environment, detection, removal with approved non-ferrous methods, and protection (anodising, cadmium plating, chromate conversion coating)
Screw threads (UNF/UNC), bolts, studs and nuts, identification and head markings, locking devices (split pins, castellated and self-locking nuts, tab washers, lockwire), torque, and rivets (solid AD/DD, blind/Cherry, shop-head forming)
Rigid and flexible pipes, flared unions and identification coding, helical compression/tension and Belleville springs, and plain, ball, roller and thrust bearings with their loads, materials and defects (brinelling, spalling)
Gear types and ratios, idler gears, mesh patterns, belts and chains; control cables (7x7/7x19), swaging, turnbuckles, pulleys, Bowden cables and tension regulators; EWIS wiring, AWG sizing, shielding, crimping and connectors
What's Included
12 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 6?
After passing the Part-66 Module 6, you can pursue these career paths
EASA Part-66 Module 7 - Maintenance Practices
Builds on Module 6 hardware knowledge with hands-on tooling, fits, tolerances and safety-critical maintenance practices
EASA Part-66 Module 8 - Basic Aerodynamics
Continues the B1/B2 basic-knowledge modules toward the aircraft maintenance licence
EASA Part-66 Module 11 - Aeroplane Aerodynamics, Structures and Systems
Applies materials and hardware knowledge to airframe structures and systems on the type-relevant module
Part-66 Module 6 Exam FAQ
Official EASA framework (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 6 Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.