--- title: "2. Number of questions per module — Part-66 · Avioverse" description: "2.1. MODULE 1 – MATHEMATICS Category A: 16 multiple-choice, no essay questions." url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/appendices-to-annex-iii-part-66/2-number-of-questions-per-module" --- # 2. Number of questions per module Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025 IR Implementing rule ## 2. Number of questions per module 2.1. MODULE 1 – MATHEMATICS Category A: 16 multiple-choice, no essay questions. Time allowed: 20 minutes. Category B1, B2, B2L and B3: 32 multiple-choice, no essay questions. Time allowed: 40 minutes. 2.2. MODULE 2 – PHYSICS Category A and B3: 32 multiple-choice, no essay questions. Time allowed: 40 minutes. Category B1, B2 and B2L: 52 multiple-choice, no essay questions. Time allowed: 65 minutes. 2.3. MODULE 3 – ELECTRICAL FUNDAMENTALS Category A: 20 multiple-choice, no essay questions. Time allowed: 25 minutes. Category B3: 24 multiple-choice, no essay questions. Time allowed: 30 minutes. Category B1, B2 and B2L: 52 multiple-choice, no essay questions. Time allowed: 65 minutes. 2.4. MODULE 4 —ELECTRONICS FUNDAMENTALS Category B1 and B3: 20 multiple-choice, no essay questions. Time allowed: 25 minutes. Category B2 and B2L: 40 multiple-choice, no essay questions. Time allowed: 50 minutes. 2.5. MODULE 5 – DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMS Category A and B3: 20 multiple-choice, no essay questions. Time allowed: 25 minutes. Category B1: 40 multiple-choice, no essay questions. Time allowed: 50 minutes. Category B2 and B2L: 72 multiple-choice, no essay questions. Time allowed: 90 minutes. 2.6. MODULE 6 – MATERIALS AND HARDWARE Category A: 52 multiple-choice, no essay questions. Time allowed: 65 minutes. Category B1 and B3: 80 multiple-choice, no essay questions. Time allowed: 100 minutes. Category B2 and B2L: 60 multiple-choice, no essay questions. Time allowed: 75 minutes. 2.7. MODULE 7 – [MAINTENANCE](https://avioverse.aero/glossary/easa/maintenance) PRACTICES Category A: 76 multiple-choice and 2 essay questions. Time allowed: 95 minutes plus 40 minutes. Category B1 and B3: 80 multiple-choice and 2 essay questions. Time allowed: 100 minutes plus 40 minutes. Category B2 and B2L: 60 multiple-choice and 2 essay questions. Time allowed: 75 minutes plus 40 minutes. 2.8. MODULE 8 – BASIC AERODYNAMICS Category A, B3, B1, B2 and B2L: 24 multiple-choice, no essay questions. Time allowed: 30 minutes. 2.9. MODULE 9 – HUMAN FACTORS Category A, B1, B3, B2 and B2L: 28 multiple-choice, no essay questions. Time allowed: 35 minutes. 2.10. MODULE 10 – AVIATION LEGISLATION Category A: 32 multiple-choice, no essay questions. Time allowed: 40 minutes. Category B1, B3, B2 and B2L: 44 multiple-choice, no essay questions. Time allowed: 55 minutes. 2.11. MODULE 11 [AEROPLANE](https://avioverse.aero/glossary/easa/aeroplane) AERODYNAMICS, STRUCTURES AND SYSTEMS Category A1: 108 multiple-choice, no essay questions. Time allowed: 135 minutes. Category A2: 72 multiple-choice, no essay questions. Time allowed: 90 minutes. Category B1.1: 140 multiple-choice, no essay questions. Time allowed: 175 minutes. Category B1.2 and B1.E: 100 multiple-choice, no essay questions. Time allowed: 125 minutes. Category B3: 60 multiple-choice, no essay questions. Time allowed: 75 minutes. 2.12. MODULE 12 – [HELICOPTER](https://avioverse.aero/glossary/easa/helicopter) AERODYNAMICS, STRUCTURES AND SYSTEMS: Category A: 100 multiple-choice, no essay questions. Time allowed: 125 minutes. Category B1.3 and B1.4: 128 multiple-choice, no essay questions. Time allowed: 160 minutes. 2.13. MODULE 13 – [AIRCRAFT](https://avioverse.aero/glossary/easa/aircraft) AERODYNAMICS, STRUCTURES AND SYSTEMS Category B2: 188 multiple-choice, no essay questions. Time allowed: 235 minutes. Category B2L: | System rating | Number of multiple-choice questions | Time allowed (minutes) | | --------------------------------------------------------- | ----------------------------------- | ---------------------- | | Basic requirements (Submodules 13.1, 13.2, 13.5 and 13.9) | 32 | 40 | | COM/NAV (Submodule 13.4(a)) | 24 | 30 | | INSTRUMENTS (Submodule 13.8) | 20 | 25 | | AUTOFLIGHT (Submodules 13.3 and 13.7) | 28 | 35 | | SURVEILLANCE (Submodule 13.4(b)) | 20 | 25 | | AIRFRAME SYSTEMS (Submodules 13.11 to 13.19) | 52 | 65 | 2.14. MODULE 14 — PROPULSION Category B2 and B2L: 32 multiple-choice, no essay questions. Time allowed: 40 minutes. NOTE: The B2L examination for Module 14 is only applicable to the ‘Instruments’ and ‘Airframe Systems’ ratings. 2.15. MODULE 15 – GAS TURBINE ENGINE Category A1 and A3: 60 multiple-choice, no essay questions. Time allowed: 75 minutes. Category B1.1 and B1.3: 92 multiple-choice, no essay questions. Time allowed: 115 minutes. 2.16. MODULE 16 – PISTON ENGINE Category A2 and A4: 52 multiple-choice, no essay questions. Time allowed: 65 minutes. Category B3, B1.2 and B1.4: 76 multiple-choice, no essay questions. Time allowed: 95 minutes. 2.17. MODULE 17 – PROPELLER Category A1 and A2: 20 multiple-choice, no essay questions. Time allowed: 25 minutes. Category B3, B1.1 and B1.2: 32 multiple-choice, no essay questions. Time allowed: 40 minutes. 2.18. MODULE 18 – ELECTRIC POWER PLANT Category B1.E: 76 multiple-choice, no essay questions. Time allowed: 95 minutes. IR — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025 [All rules in APPENDICES TO ANNEX III (Part-66)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/appendices-to-annex-iii-part-66) Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.