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Exam Review

Key Facts: EASA Module 7 Exam

75%

MCQ and Each Essay Pass Mark

Part-66 Appendix II

80 MCQ + 2 essays

B1/B3 Module 7

Part-66 Appendix II

100 + 40 minutes

B1/B3 MCQ and Essays

Part-66 Appendix II

60 MCQ + 2 essays

B2/B2L Module 7

Part-66 Appendix II

76 MCQ + 2 essays

Category A Module 7

Part-66 Appendix II

3 in 12 months

Maximum Attempts per Module

Part-66 Appendix II

90 / 30 days

Normal / Retraining Retake Wait

Part-66 Appendix II

10 years

Knowledge and Experience Window

Part-66.A.25

For the B1/B3 benchmark, Module 7 has 80 three-option MCQ in 100 minutes plus two essays of 20 minutes each. Category A has 76 MCQ in 95 minutes plus two essays; B2/B2L has 60 MCQ in 75 minutes plus two essays. The pass mark is 75% for the MCQ examination and 75% for each essay. A failed module normally carries a 90-day wait, reducible to 30 days after tailored approved Part-147 retraining, and no more than three attempts are permitted in any 12-month period. The guide follows the current syllabus, including 7.4 electrical-system hazards and 7.14.3 additive manufacturing. This practice bank uses four options for learning, while the official MCQ format uses three.

Sample EASA Module 7 Practice Questions

Try these sample questions to review concepts for the EASA Module 7 exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 125+ question experience with AI tutoring.

1When servicing an aircraft oxygen system, why is it critical that no oil, grease, or hydrocarbon contamination contacts the components?
A.Oil residue absorbs oxygen and reduces the available flow rate to the masks
B.Hydrocarbons in contact with high-pressure oxygen can ignite or react violently, causing fire or explosion
C.Grease increases the dielectric strength of the line and causes static discharge
D.Oil causes the oxygen regulator diaphragm to swell and stick open
Explanation: Oxygen is a powerful oxidiser; if escaping or pressurised oxygen contacts hydrocarbons such as oil or grease, the result can be a violent fire or explosion, so all tools, hands, and components must be kept grease-free.
2An electrical fire breaks out in an avionics rack. Which extinguishing agent is most appropriate because it is electrically non-conducting and leaves no residue?
A.Water (Class A agent) on energised electrical equipment, creating shock and short-circuit risk.
B.Halon / clean-agent (or CO2) suitable for Class C electrical fires
C.Foam (AFFF) on live avionics, where conductive foam can spread damage and shock risk.
D.Dry chemical powder (ABC) on energised racks, leaving conductive residue that harms avionics.
Explanation: Class C (electrical) fires require a non-conductive, clean agent. Halon (e.g. Halon 1211) and CO2 are electrically non-conducting and leave no residue, making them suitable for energised electrical equipment.
3Before working on an aircraft electrical circuit, the FIRST safety action a technician should normally take is to:
A.Apply external ground power to keep the busbars energised for testing
B.Discharge any capacitors by short-circuiting them to the airframe with a screwdriver
C.Connect a multimeter across the busbar to read the live voltage
D.Isolate the supply by disconnecting/removing the battery and tagging the circuit as inoperative
Explanation: Safe working practice with electricity requires isolating the supply first: disconnect/remove the battery (and any external power) and apply warning tags/placards before working on the circuit.
4A Class B fire on an aircraft involves which of the following?
A.Flammable liquids such as fuel, oil, hydraulic fluid, and solvents
B.Ordinary combustibles such as paper, wood, and fabric
C.Energised electrical equipment and wiring contrary to the approved maintenance procedure for this task.
D.Combustible metals such as magnesium contrary to the approved maintenance procedure for this task.
Explanation: Class B fires involve flammable liquids and gases such as fuel, oil, hydraulic fluid, and solvents. The agent must smother or interrupt combustion of the liquid.
5When handling solvents and chemical cleaning agents in the workshop, the primary purpose of consulting the Safety Data Sheet (SDS/MSDS) is to:
A.Determine the shelf-life expiry date for stores accounting
B.Find the manufacturer's part number for re-ordering
C.Identify the hazards, required personal protective equipment, and first-aid/spill measures for the substance
D.Establish the correct torque value for the container cap
Explanation: The Safety Data Sheet provides hazard identification, handling and storage precautions, required PPE, exposure controls, and first-aid and spill response measures for a chemical substance.
6A CO2 fire extinguisher should be used with caution in a confined cockpit or cabin space primarily because:
A.It conducts electricity and may re-ignite the fire in the enclosed cabin space
B.It displaces oxygen and can cause asphyxiation of personnel in the enclosed space
C.It leaves a thick corrosive residue that damages sensitive avionics equipment
D.Its high-temperature discharge can melt nearby aluminium structure
Explanation: CO2 extinguishes by displacing oxygen; in a confined space this oxygen depletion creates an asphyxiation hazard for personnel, so ventilation and caution are required.
7Under good workshop tool-control practice, a 'shadow board' or tool-control system is used principally to:
A.Display the calibration due dates of all measuring instruments
B.Account for every tool so that none is inadvertently left in an aircraft as a foreign object
C.Indicate which tools require electrical PAT testing
D.Show the maximum torque rating of each spanner contrary to the approved maintenance procedure for this task.
Explanation: Tool control (shadow boards, tool tallies, inventories) ensures every tool is accounted for before and after a task, preventing tools being left in the aircraft as a foreign object debris (FOD) hazard.
8A precision tool such as a micrometer or torque wrench must be calibrated against standards that are:
A.Set by the individual technician's experience contrary to the approved maintenance procedure for this task.
B.Traceable to national/international measurement standards within a defined calibration interval
C.Re-zeroed only when the tool is visibly damaged contrary to the approved maintenance procedure for this task.
D.Established by comparing two uncalibrated tools of the same type
Explanation: Calibration must be traceable to recognised national/international standards and performed at defined intervals so the instrument's accuracy is assured and documented.
9A click-type torque wrench has just been used to apply a high torque value. To preserve its calibration when storing it, the technician should:
A.Leave it set at the maximum value to keep the spring exercised
B.Store it set at the value last used so the next user sees the setting
C.Wind the setting back to the lowest scale value before storage
D.Lubricate the internal spring with light oil before storage
Explanation: Storing a click-type torque wrench at the lowest scale setting relaxes the internal spring and helps maintain calibration; leaving it set high keeps the spring loaded and can cause drift over time.
10On a metric micrometer with a 0.5 mm pitch thimble and a 50-division thimble scale, one division on the thimble represents:
A.0.001 mm
B.0.01 mm
C.0.1 mm
D.0.5 mm
Explanation: The spindle advances 0.5 mm per revolution; with 50 thimble divisions, each division equals 0.5 / 50 = 0.01 mm.

About the EASA Module 7 Exam

EASA Part-66 Module 7 is the current Maintenance Practices basic-knowledge module for relevant Category A, B1, B2, B2L, B3 and B1.E pathways. It covers safety; workshop practice and tools; electrical hazards and protective equipment; drawings, fits and EWIS; riveting, structures and mechanical practices; additive manufacturing; weight and balance; aircraft handling and storage; inspection, repair, disassembly, assembly and troubleshooting; maintenance programmes, stores, documentation, shift handover and release procedures. Commission Implementing Regulation (EU) 2025/111 introduced the active 7.4 electrical-hazard topic, with supporting AMC detail in EASA Part-66 Issue 2 Amendment 9.

Exam sponsor: EASA Part-66 framework; examined by the competent authority or an appropriately approved Part-147 organisation. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

80 questions

Time Limit

B1/B3: 100 minutes for 80 MCQ plus 40 minutes for 2 essays; Category A: 95 + 40; B2/B2L: 75 + 40

Passing Score

75% for the MCQ examination and 75% for each essay examination

Exam / Certification Fees

Set by the competent authority or approved Part-147 organisation; no single EASA fee

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

7.1–7.4 Safety, Workshop Practice, Tools & Electrical Hazards

Current B1/B3 allocation: safety precautions; workshop practice; tools; and the Level 3 electrical-system hazard topic covering shock, arc, stored energy, batteries, ESD, electromagnetic and environmental hazards, isolation, verification, PPE, and insulated tools.

17.5%

7.5–7.7 Drawings, Fits & EWIS

Engineering drawings, diagrams and standards; fits, clearances and tolerances; and electrical wiring interconnection system practices.

30%

7.8–7.14 Mechanical Practices, Structures & Additive Manufacturing

Riveting; pipes and hoses; springs; bearings; transmissions; control cables; sheet metal; welding, brazing, soldering and bonding; composites; and additive manufacturing.

3.75%

7.16 Aircraft Weight & Balance

Centre-of-gravity and balance calculations plus preparation and weighing of aircraft.

5%

7.17 Aircraft Handling & Storage

Aircraft handling, towing, jacking, parking, mooring, storage, refuelling and de-icing or anti-icing precautions.

23.75%

7.18–7.21 Inspection, Maintenance, Documentation & Release

Disassembly, inspection, repair, assembly, troubleshooting, abnormal-event inspections, maintenance programmes, modification procedures, stores control, maintenance documentation, shift handover, and release-to-service procedures.

Preparing for the EASA Module 7 Exam

What You Need to Know

  • Passing score: 75% for the MCQ examination and 75% for each essay examination
  • Exam length: 80 questions
  • Time limit: B1/B3: 100 minutes for 80 MCQ plus 40 minutes for 2 essays; Category A: 95 + 40; B2/B2L: 75 + 40
  • Exam / certification fees: Set by the competent authority or approved Part-147 organisation; no single EASA fee Official sources

Using Our Practice Resources

  • Work through all 125 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

EASA Module 7: Suggested Study Strategy

1Start with the official subtopic list and mark all 28 independently counted topics from 7.1 through 7.21, including 7.14.3 additive manufacturing and the five 7.18 maintenance-practice elements.
2Practise at the category-specific pace: the official allocation uses a nominal 75 seconds per MCQ, while each essay is allocated 20 minutes.
3Use a data-led answer pattern for practical questions: make safe, identify current approved data, perform the controlled task, inspect or test, restore configuration, and record the result.
4For electrical work, distinguish shock, arc, stored energy, batteries, ESD and electromagnetic hazards; PPE supplements isolation and verification rather than replacing them.
5For calculations, write the formula, keep units consistent, show substitutions and sanity-check the result before selecting an option.
6For repairs and limits, treat common ratios and workshop figures as study examples unless the question explicitly supplies the controlling approved data.

Frequently Asked Questions

What is EASA Part-66 Module 7?

Module 7 is Maintenance Practices. The current syllabus covers 7.1–7.21 topics applicable by licence category, including safety, workshop practice, tools, electrical hazards, drawings, fits, EWIS, mechanical and structural practices, additive manufacturing, weight and balance, handling, inspection, maintenance, troubleshooting, records and release procedures.

How many questions and how much time are allowed?

Category A has 76 MCQ in 95 minutes plus two 20-minute essays. B1/B3 has 80 MCQ in 100 minutes plus two essays. B2/B2L has 60 MCQ in 75 minutes plus two essays. Confirm the exact category and examination arrangement with the competent authority or approved Part-147 organisation.

What is the pass mark?

The pass mark is 75% for the multiple-choice examination and 75% for each essay examination.

What is current topic 7.4?

Regulation (EU) 2025/111 replaced the reserved entry with Level 3 coverage of electrical-system hazards and protective equipment. It includes shock, arc flash and blast, stored energy, battery hazards, ESD and electromagnetic hazards, environmental risks, PPE, insulated tools, isolation, and verification of absence of voltage.

Is additive manufacturing part of Module 7?

Yes. Topic 7.14.3 covers additive manufacturing. Candidates should understand process families, controlled digital definition, material and build controls, post-processing, inspection, hazards, traceability and the need for approved design and production or repair authority.

How do resits work?

After failing a module, the normal waiting period is 90 days. It may be reduced to 30 days after tailored retraining by an approved Part-147 organisation. No more than three attempts at a module are allowed in any 12-month period.

Does the real MCQ examination use three or four options?

The official Part-66 MCQ format uses three alternative answers with one correct answer. This practice bank uses four options as a learning design choice.

How long do examination credits remain usable?

Part-66.A.25 requires the basic-knowledge examinations and practical experience to fall within the 10 years before the licence application, subject to the detailed credit and authority provisions.

Which numerical workshop values should I use?

Memorised examples can help with principles, but actual limits, materials, tooling, intervals and acceptance criteria come from current approved maintenance data and organisation procedures for the aircraft or component.