Based on our vast experience with EASA PART 66 examination questions and question databanks, we have prepared a practice example of questions with explanations to practice for your next exam.
Disclaimer: This questions are for training purposes only! They are in no way appearing on Suntech’s’ controlled examination sessions.
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Module 10: Aviation Legislation
- Which post-World War II propulsion technology was a primary driver for the expansion of global air travel?
- A. The Gas Turbine Engine
- B. The enhanced Steam Engine
- C. The advanced Internal Combustion Engine
Correct Answer: A. The Gas Turbine Engine
Explanation: The development of reliable and powerful gas turbine (jet) engines enabled larger, faster, and higher-flying aircraft, which was essential for the growth of long-haul international air travel.
- In what year did the United States government convene a meeting of allied nations in Chicago to establish international civil aviation standards?
- A. 1944
- B. 1952
- C. 1939
Correct Answer: A. 1944
Explanation: The Chicago Convention, which laid the foundation for the International Civil Aviation Organization (ICAO) and modern international air law, took place in 1944.
- Of the nations invited to the Chicago Convention in November 1944, how many ultimately attended the talks?
- A. 55
- B. 52
- C. 47
Correct Answer: B. 52
Explanation: A total of 52 of the 55 invited nations participated in the discussions in Chicago in November 1944.
- Which institution of the European Union (EU) operates independently of the individual member states and possesses significant executive powers?
- A. The European Parliament
- B. The European Commission
- C. The Council of Ministers
Correct Answer: B. The European Commission
Explanation: The European Commission is a key EU institution, known for its independence from member states and its substantial authority.
- What is the standard duration of a mandate for the European Commission?
- A. Three years
- B. Four years
- C. Five years
Correct Answer: C. Five years
Explanation: The mandate for the European Commission is set for a term of five years.
- Part-66, which details the requirements for aircraft maintenance certifying staff, is the designation for which Annex of Regulation (EC) 1321/2014?
- A. Annex II of Regulation (EC) 1321/2014
- B. Annex III of Regulation (EC) 1321/2014
- C. Annex IV of Regulation (EC) 1321/2014
Correct Answer: B. Annex III of Regulation (EC) 1321/2014
Explanation: Part-66 is the common name for Annex III of Regulation (EC) 1321/2014, which governs the licensing of aircraft maintenance personnel.
- On what date did the EASA Part-66 regulation originally enter into force?
- A. September 2006
- B. September 2008
- C. 29 November 2003
Correct Answer: C. 29 November 2003
Explanation: The initial date of entry into force for the Part-66 regulation was 29 November 2003.
- Although Part-66 came into effect in 2003, until what year was its application not mandatory for large aircraft (MTOW > 5700 kg) due to derogations?
- A. 29 November 2003
- B. September 2006
- C. September 2008
Correct Answer: B. September 2006
Explanation: Various derogations postponed the mandatory application of Part-66 for large aircraft (MTOW > 5700 kg) until September 2006.
- Until what year was the mandatory application of Part-66 deferred for light aircraft (MTOW < 5700 kg)?
- A. September 2008
- B. September 2006
- C. 29 November 2003
Correct Answer: A. September 2008
Explanation: The mandatory application of Part-66 for light aircraft (MTOW < 5700 kg) was not required until September 2008.
- Which section of the Part-66 regulation specifies the Basic Knowledge requirements for obtaining a maintenance license?
- A. Part-66.A.30
- B. Part-66.A.50
- C. Part-66.A.25
Correct Answer: C. Part-66.A.25
Explanation: The requirements for basic knowledge, including the module structure and examination standards for a Part-66 license, are detailed in section Part-66.A.25.
- The requirements concerning the basic experience needed for a Part-66 license application can be found in which section of the regulation?
- A. Part-66.A.30
- B. Part-66.A.25
- C. Part-66.A.50
Correct Answer: A. Part-66.A.30
Explanation: The minimum duration and type of practical maintenance experience required for a Part-66 license are detailed in section Part-66.A.30.
- What is the maximum validity period for a certificate of recognition issued after successfully passing a Part-66 basic knowledge module exam?
- A. 5 years
- B. 10 years
- C. Indefinite
Correct Answer: B. 10 years
Explanation: Once a Part-66 module is passed, the certificate of recognition for that module is valid for a period of 10 years, within which all modules for a specific license category must be completed.
- A Part-145 approved maintenance organisation can be approved for what scope of work?
- A. Aircraft, Engines, Components, or any combination thereof
- B. Aircraft and Engines only
- C. Components only
Correct Answer: A. Aircraft, Engines, Components, or any combination thereof
Explanation: A Part-145 approval can be granted for the maintenance of aircraft, engines, or components, or for any combination of these three categories.
- For which categories of maintenance can an aircraft maintenance organisation receive approval under Part-145?
- A. Line or Base Maintenance or both
- B. Only Line Maintenance
- C. Only Base Maintenance
Correct Answer: A. Line or Base Maintenance or both
Explanation: Part-145 approvals for aircraft maintenance are categorized as either Line Maintenance, Base Maintenance, or an approval that covers both.
- On what date did Part-145 become effective for the maintenance of all EASA aircraft operating under Commercial Air Transport (CAT)?
- A. 28 September 2008
- B. Immediately upon its first publication
- C. 29 November 2003
Correct Answer: C. 29 November 2003
Explanation: The requirement for maintenance on CAT aircraft to be performed by a Part-145 approved organisation came into effect on 29 November 2003.
- When was the scope of Part-145 expanded to encompass all large aircraft, not just those used in Commercial Air Transport?
- A. 28 September 2008
- B. The regulation always covered all large aircraft from its inception
- C. 29 November 2003
Correct Answer: A. 28 September 2008
Explanation: Initially applicable only to CAT aircraft, the Part-145 regulation was extended to cover all large aircraft, regardless of their use, from 28 September 2008.
- Who is authorised to issue a Certificate of Release to Service (CRS) following maintenance on a large aircraft or any aircraft in Commercial Air Transport?
- A. The aircraft owner
- B. An Organisation with the appropriate approval in accordance with Part-145
- C. Any mechanic holding a valid license
Correct Answer: B. An Organisation with the appropriate approval in accordance with Part-145
Explanation: The release to service for large or CAT aircraft must be issued by a Part-145 approved maintenance organisation, not an individual.
- How can a maintenance organisation located outside the European Union obtain a Part-145 approval?
- A. Through a bilateral agreement with an individual EU Member State
- B. By applying directly to EASA
- C. By applying through its own National Aviation Authority
Correct Answer: B. By applying directly to EASA
Explanation: Maintenance organisations geographically located outside the EU must apply for and receive their Part-145 approval directly from EASA.
- On which category of aircraft is independent certifying staff permitted to exercise their certification privileges?
- A. Commercial aircraft falling under Part-145
- B. Any aircraft, regardless of use
- C. Non-commercial aircraft maintained in accordance with Part-ML regulations
Correct Answer: C. Non-commercial aircraft maintained in accordance with Part-ML regulations
Explanation: The privileges of independent certifying staff are restricted to non-commercial aircraft that are maintained under the scope of Part-ML.
- How is the term “independent certifying staff” defined within the regulations?
- A. Certifying staff who do not exercise their privileges on behalf of an approved maintenance organisation
- B. Certifying staff who are only authorised to conduct airworthiness reviews
- C. Certifying staff employed by a Part-145 approved maintenance organisation
Correct Answer: A. Certifying staff who do not exercise their privileges on behalf of an approved maintenance organisation
Explanation: “Independent certifying staff” refers to individuals who exercise certification privileges in their own right, not as employees of a maintenance organisation.


