113+ Free Part-66 Module 1 Practice Questions
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Key Facts: Part-66 Module 1 Exam
16 questions
Category A Module 1
EASA Appendix II
32 questions
B-category Module 1
EASA Appendix II
75%
Pass Mark
EASA Appendix II
No calculators
Exam Calculation Rule
EASA GM
90 / 30 days
Normal / Retrained Retake
EASA Appendix II
3 in 12 months
Attempt Limit
EASA Appendix II
Category A Module 1 has 16 three-option multiple-choice questions in 20 minutes and covers arithmetic, simple expressions, and graphs. B1, B2, B2L, and B3 have 32 questions in 40 minutes and add equations, constructions, and trigonometry. The pass mark is 75%, calculators are not allowed, a failed module normally requires 90 days before retaking (30 after qualifying tailored Part-147 retraining), and attempts are limited to three in 12 months.
Sample Part-66 Module 1 Practice Questions
Try these sample questions to test your Part-66 Module 1 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 113+ question experience with AI tutoring.
1An aircraft fuel tank is 5/8 full and contains 250 litres. What is the total capacity of the tank?
2Convert the fraction 3/8 to a decimal.
3What is the lowest common multiple (LCM) of 6 and 8?
4A length of control cable is 3.5 metres. How many millimetres is this?
5The recorded outside air temperatures on five flights were 12, 15, 9, 18 and 6 degrees Celsius. What is the average (arithmetic mean) temperature?
6A component originally priced at 80 euros is reduced by 15%. What is the new price?
7Two gears mesh with a ratio of 3:5. If the smaller gear has 24 teeth, how many teeth does the larger gear have?
8What is the value of 2.5 × 0.04?
9A rectangular access panel measures 0.6 m by 0.4 m. What is its area?
10What is the volume of a rectangular box measuring 2 m long, 1.5 m wide and 0.5 m high?
About the Part-66 Module 1 Exam
EASA Part-66 Module 1 is category-specific. Category A receives 16 multiple-choice questions in 20 minutes; B1, B2, B2L, and B3 receive 32 in 40 minutes. The current legal table contains six broad rows: arithmetic, simple expressions, equations, simple geometrical constructions, graphical representation, and trigonometry.
Questions
32 scored questions
Time Limit
Category A: 20 minutes; B1, B2, B2L, and B3: 40 minutes
Passing Score
75% per module
Exam Fee
Set by the responsible national authority or approved Part-147 organisation; no universal EASA module fee (National Aviation Authorities or approved Part-147 maintenance training organisations under EASA oversight)
Part-66 Module 1 Exam Content Outline
Arithmetic
Level 1 for Category A and Level 2 for B categories; AMC allocation is 6 of 16 A questions and 6 of 32 B questions.
Simple Algebraic Expressions
Level 1 for Category A and Level 2 for B categories; AMC allocation is 5 A questions and 4 B questions.
Equations
Not applicable to Category A and Level 1 for B categories; AMC allocation is 12 B questions.
Simple Geometrical Constructions
Not applicable to Category A and Level 1 for B categories; AMC allocation is 3 B questions.
Graphical Representation
Level 2 for both Category A and B categories; AMC allocation is 5 A questions and 4 B questions.
Trigonometry
Not applicable to Category A and Level 2 for B categories; AMC allocation is 3 B questions.
How to Pass the Part-66 Module 1 Exam
What You Need to Know
- Passing score: 75% per module
- Exam length: 32 questions
- Time limit: Category A: 20 minutes; B1, B2, B2L, and B3: 40 minutes
- Exam fee: Set by the responsible national authority or approved Part-147 organisation; no universal EASA module fee
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
Part-66 Module 1 Study Tips from Top Performers
Frequently Asked Questions
How many questions are on EASA Part-66 Module 1?
Category A has 16 multiple-choice questions in 20 minutes. B1, B2, B2L, and B3 have 32 multiple-choice questions in 40 minutes. The pass mark is 75%.
What topics does Module 1 Mathematics cover?
The current legal table has six broad rows: arithmetic, simple algebraic expressions, equations, simple geometrical constructions, graphical representation, and trigonometry. Applicability and knowledge level depend on licence category.
Is the real Module 1 exam 3-option or 4-option multiple choice?
The official EASA Part-66 examination uses 3-option multiple-choice questions. This free practice bank uses 4 options to make revision more demanding; the mathematical content and required knowledge are the same.
What is the pass mark for EASA Part-66 modules?
A failed module normally may not be retaken for 90 days. That can be reduced to 30 days after tailored retraining from an approved Part-147 organisation. A separate rule permits no more than three attempts in 12 months.
Which regulation governs the current Module 1 syllabus?
Use the current consolidated Regulation (EU) No 1321/2014 and latest applicable AMC. The June 12, 2026 transition deadline for eligible legacy training has passed.
Do I need a calculator for Module 1?
No. EASA guidance states that calculators are not allowed and calculations must be feasible manually or include any needed approximation.