EASA Part-66 Module 05 — Digital Techniques / Electronic Instrument Systems Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the EASA Part-66 Module 05 — Digital Techniques / Electronic Instrument Systems Vocabulary Games
4 free word games built on 20 EASA Part-66 Module 05 — Digital Techniques / Electronic Instrument Systems terms across 9 topics. Every game deals terms at random and shows what each term means, so you can keep playing as long as you like.
How to Play
- 1.Read the clue and type the term (3 to 6 letters).
- 2.Green: right spot. Yellow: wrong spot. Gray: not in the term.
- 3.Solve it in 6 tries, then read the explanation.
- 1.Swap two neighboring tiles to line up 3 of the same term.
- 2.Longer lines, two lines at once and chains score more.
- 3.Play until no swap can make a line.
- 1.Flip two cards. A matching pair stays face up.
- 2.Each pair you find shows what the term means.
- 3.Clear the board in as few moves as you can.
- 1.Find each listed term in the letter grid.
- 2.Drag across its letters: across, down or diagonally.
- 3.Find all five as fast as you can.
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Topics in the EASA Part-66 Module 05 — Digital Techniques / Electronic Instrument Systems Vocabulary Game
Number systems
Computer structure
Data links
Logic circuits
Fibre optics
Electronic displays
Workshop precautions
Electromagnetic environment
Cockpit avionics
Sources for these terms (10)
- Aviation Maintenance Technician Handbook—Airframe (FAA-H-8083-31B, 2023) · Source checked 2026-11-06
- Digital Signal Conditioning for Flight Test (AGARDograph 160, Volume 19; NASA Ames) · Source checked 2026-11-06
- FIPS 180-4, Secure Hash Standard (SHS) · Source checked 2026-11-06
- FIPS 197, Advanced Encryption Standard (AES) · Source checked 2026-11-06
- NIST SP 800-88 Rev. 2, Guidelines for Media Sanitization (September 2025) · Source checked 2026-11-06
- NASA-HDBK-8739.21, Workmanship Manual for Electrostatic Discharge Control · Source checked 2026-11-06
- AC 20-158B, The Certification of Aircraft Electrical and Electronic Systems for Operation in the High-Intensity Radiated Fields (HIRF) Environment (2024) · Source checked 2026-11-06
- ACAS Guide — Airborne Collision Avoidance (April 2025) · Source checked 2026-11-06
- AC 25-11B, Electronic Flight Displays (2014) · Source checked 2026-11-06
- Temperature Measurement and Damage Detection in Concrete Beams Exposed to Fire Using PPP-BOTDA Based Fiber Optic Sensors (NIST) · Source checked 2026-11-06
About the Part-66 Module 5 Exam
EASA Part-66 Module 5 covers Digital Techniques and Electronic Instrument Systems for aircraft maintenance licence candidates. It is one of the avionics-heavy modules and is examined most extensively at Category B2, which sits 72 multiple-choice questions in 90 minutes against a 75% pass mark. The syllabus spans numbering systems and data conversion, aircraft data buses, logic circuits, basic computer structure, fibre optics, electronic displays, electrostatic sensitive devices, software management control, the electromagnetic environment and typical electronic aircraft systems. Content follows Commission Implementing Regulation (EU) 2023/989, applicable from 12 June 2024.
Exam sponsor: EASA (examinations conducted by National Aviation Authorities or approved Part-147 maintenance training organisations). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
72 questions
Time Limit
90 minutes (B2); 50 minutes (B1)
Passing Score
75% per module
Exam / Certification Fees
Varies by NAA/Part-147 organisation (approximately EUR 50-230 per module sitting)
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the Part-66 Module 5 vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How do the Part-66 Module 5 vocabulary games work?
There are 4 games built on 20 Part-66 Module 5 terms. In Guess the Term, a clue describes one term and you have six tries to spell it, with green, yellow and gray letters showing how close you are. In Term Match, six terms appear as colored tiles; swap neighbors to line up three or more of the same term, and each match shows what the term means. In Term Pairs, twelve face-down cards hide six pairs of terms; flip two at a time to find each pair, and every pair you find shows what the term means. In Term Search, five terms hide in a grid of letters, reading across, down or diagonally; drag across a term to circle it, and each term you find shows what it means.
Where do the Part-66 Module 5 terms come from?
OpenExamPrep researched each term from the EASA (examinations conducted by National Aviation Authorities or approved Part-147 maintenance training organisations) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
How many questions are in EASA Part-66 Module 5 and what is the pass mark?
Category B2 sits 72 multiple-choice questions in 90 minutes, Category B1 sits 40 in 50 minutes and Category A sits 20 in 25 minutes. The pass mark is 75% for the module, with no negative marking and roughly 75 seconds allowed per question.
Does Module 5 include an essay?
No. Module 5 is multiple-choice only. Under Commission Implementing Regulation (EU) 2023/989, essays remain only in Module 7; essays were removed from Modules 9 and 10 in June 2024. The real exam uses 3-option multiple choice.