Question Number. 1. Mandatory Warning Plaques and symbols. Option A. must be displayed on all flights. Option B. must be displayed in the cabin only if they are legible. Option C. need not be displayed if they are incorporated in the flight manual.

Correct Answer is. must be displayed on all flights. Explanation. NIL.

Question Number. 2. Following a major defect the C of A. Option A. is not affected, however may run out on a time basis. Option B. will be invalidated and needs renewing. Option C. Nothing will happen.

Correct Answer is. is not affected, however may run out on a time basis. Explanation. NIL.

Question Number. 3. When storing parts you should use. Option A. monitor the temperature. Option B. silica gel. Option C. place in a sealed container.

Correct Answer is. silica gel. Explanation. CAAIP S Leaflet 1-8 2.2.3.

Question Number. 4. ATA specification 100 is. Option A. the procedures which must be complied with before an aircraft can be given a Certificate of Airworthiness in the Transport Category (Passenger). Option B. the International standardization of maintenance manuals, illustrated parts catalogues, overhaul and repair manuals, service bulletins and letters. Option C. the American FAA specification controlling the manufacture of aluminium and its alloys.

Correct Answer is. the International standardization of maintenance manuals, illustrated parts catalogues, overhaul and repair manuals, service bulletins and letters. Explanation. Jeppesen A&P General Textbook 14-12.

Question Number. 5. An aircraft should carry at least the following number of spare fuses:. Option A. 10. Option B. 3. Option C. 3 or 10%, whichever is greater.

Correct Answer is. 3 or 10%, whichever is greater. Explanation. ANO Schedule 4.

Question Number. 6. Maintenance Schedules are issued. Option A. in a folder with the operators name on the cover. Option B. with an approval certificate by the CAA. Option C. by the operator with CAA approval.

Correct Answer is. by the operator with CAA approval. Explanation. BCAR A/B 6-2 Para. 3.4.

Question Number. 7. After a mandatory inspection has been carried out by a Licensed Engineer, what is issued. Option A. a Certificate of Maintenance Review. Option B. Certificate of Release to Service. Option C. a Flight Release Certificate.

Correct Answer is. Certificate of Release to Service. Explanation. NIL.

Question Number. 8. A hard time engine inspection involves. Option A. replacement with a new or overhauled component. Option B. an in-situ function test. Option C. removal of an engine component, its inspection and refitting.

Correct Answer is. replacement with a new or overhauled component. Explanation. Leaflet 1-7 2.2.1.

Question Number. 9. Who approves Maintenance Manuals?. Option A. The CAA. Option B. The Department of Trade and Industry. Option C. The Board of Trade.

Correct Answer is. The CAA. Explanation. NIL.

Question Number. 10. A Certificate of Release to Service must be issued after. Option A. a repair has been carried out in accordance with an approved repair scheme. Option B. a re-fuel has been done. Option C. engine runs.

Correct Answer is. a repair has been carried out in accordance with an approved repair scheme. Explanation. NIL.

Question Number. 11. If the operator varies the content of the maintenance schedule, what action must be taken?. Option A. Amend the Maintenance Schedule and seek the CAA approval. Option B. Await CAA approval before amending the Maintenance Schedule.Option C. Amend the Maintenance Schedule.

Correct Answer is. Await CAA approval before amending the Maintenance Schedule.Explanation. NIL.

Question Number. 12. When is an EASA Permit to Fly conditions required?.

Option A. To allow an unregistered aircraft to fly for air test. Option B. To allow an aircraft to fly on air test to check out a modification. Option C. After a Certificate of Maintenance Review has been signed.

Correct Answer is. To allow an aircraft to fly on air test to check out a modification. Explanation. NIL.

Question Number. 13. When there is an overlap of responsibility, how is the CRS signed?. Option A. Appropriate Type Rated Licensed Aircraft Engineers must each certify the parts appropriate to their license coverage. Option B. Only one appropriate Type Rated Licensed Aircraft Engineer may sign the CRS as he assumes responsibility for the operation, the other engineers must sign the paperwork. Option C. An appropriate Type Rated Licensed Aircraft Engineer and an ATPL holder sign the CRS when the aircraft is away from base.

Correct Answer is. Appropriate Type Rated Licensed Aircraft Engineers must each certify the parts appropriate to their license coverage. Explanation. AWN 3.

Question Number. 14. Information contained in the ANO is. Option A. of a legal nature in all sections and is therefore mandatory. Option B. of a mandatory nature where safety is concerned. Option C. written in compliance of the Civil Aviation Act of 1943 ratifying the ICAO Convention.

Correct Answer is. of a legal nature in all sections and is therefore mandatory. Explanation. NIL.

Question Number. 15. An 'On Condition' Inspection involves. Option A. a program of inspections used to increase the life of lifed components. Option B. an inspection of a component with a view to continued operation if its condition warrants such action.Option C. replacement of life expired components for new ones.

Correct Answer is. an inspection of a component with a view to continued operation if its condition warrants such action. Explanation. CAIP S BL/ 1-16 Para 2-2-2.

Question Number. 16. Air Navigation General Regulations are to be found in. Option A. Airworthiness Requirements CAP 455. Option B. British Civil Airworthiness Requirements Section A. Option C. CAA Printed Manual CAP 393.

Correct Answer is. CAA Printed Manual CAP 393. Explanation. CAIP S BL/1-9 Para 8-11.

Question Number. 17. The information in the ANO is given in the form of. Option A. Articles of Law, some of which are further clarified by Schedules. Option B. Chapters, each one dealing with a different aspect of Civil Aviation, these chapters being backed up by the schedules. Option C. Regulations, each one covering a different aspect of Civil Aviation and as such is mandatory.

Correct Answer is. Articles of Law, some of which are further clarified by Schedules. Explanation. CAIP S BL/1-9 Para 4.

Question Number. 18. British Civil Airworthiness Requirements. Option A. form the Technical requirements for the design and operation of aircraft and their equipment.

Option B. interpret the ANO and form the Technical requirements for the design. Option C. are printed by the CAA and are of an advisory nature.

Correct Answer is. interpret the ANO and form the Technical requirements for the design. Explanation. CAIP S BL/1-9 Para 4-4.

Question Number. 19. A CMR is raised after. Option A. defect rectification. Option B. scheduled servicing at specified intervals. Option C. major overhaul.

Correct Answer is. scheduled servicing at specified intervals. Explanation. NIL.

Question Number. 20. Compliance with the ANO is restricted to. Option A. aircraft and their equipment which are on the UK Civil Register only. Option B. aircraft and their equipment which are on the UK & Commonwealth Civil Registers. Option C. All civil aircraft and their equipment on the international Civil Register.

Correct Answer is. aircraft and their equipment which are on the UK Civil Register only. Explanation. NIL.

Question Number. 21. A Certificate of Release to service states that. Option A. a task has been carried out in accordance with the ANO. Option B. an operator has satisfied the CAA of his competence. Option C. the aircraft has been maintained to an approved schedule.

Correct Answer is. a task has been carried out in accordance with the ANO. Explanation. NIL.

Question Number. 22. Technical and Administrative information is officially circulated to L.A.M.E.S. in. Option A. B.C.A.R.s. Option B. A.W.N.s. Option C. CAIP.s.

Correct Answer is. A.W.N.s. Explanation. NIL.

Question Number. 23. Vital point inspections are carried out. Option A. after an area is disturbed. Option B. on a 'C' check.Option C. on an 'A' Check.

Correct Answer is. after an area is disturbed. Explanation. BCAR A5-3 para 3 states: VITAL POINTS are any point on an aircraft at which single mal-assembly could lead to catastrophe.

Question Number. 24. What colour is used to identify a 'primary structure' when using the aircraft Maintenance Manual?. Option A. Yellow. Option B. Green.Option C. Red.

Correct Answer is. Red. Explanation. NIL.

Question Number. 25. Which of the following NDT methods can be carried out and certified by a mechanic not approved specifically for NDT inspections. Option A. Ultrasonic. Option B. Magnetic Particle. Option C. Neither of the above.

Correct Answer is. Neither of the above. Explanation. AWN 3 para 1.7.

Question Number. 26. B.C.A.R's. Option A. contain minimum requirements to be met. Option B. are issued by Ministry of Trade and Industry. Option C. detail mandatory requirements for aircraft design and construction.

Correct Answer is. contain minimum requirements to be met. Explanation. CAIP S BL / 1-9 Para 6-1.

Question Number. 27. The purpose of the CRS is. Option A. to ensure that the log book entry is complete. Option B. to turn a log book or job card entry into a legal document and to ensure that the signatory takes full responsibility for the work done. Option C. to comply with article 15 of the ANO which states that an aircraft must not fly unless it is properly equipped for the intended flight.

Correct Answer is. to turn a log book or job card entry into a legal document and to ensure that the signatory takes full responsibility for the work done. Explanation. AWN 3 para 1.5.

Question Number. 28. Duplicate inspections are. Option A. inspections which have to be duplicated but which can finally be certified by one LAE or approved signatory. Option B. inspections certified by one approved signatory or LAE and then certified by a second approved signatory or LAE. Option C. inspections signed by a mechanic and countersigned by an approved signatory or licensed engineer.

Correct Answer is. inspections certified by one approved signatory or LAE and then certified by a second approved signatory or LAE. Explanation. NIL.

Question Number. 29. When related to aeronautical engineering, the term 'Inspection' is defined in the publication. Option A. Airworthiness Notice (AWN) 3. Option B. ANO article 11. Option C. BCAR Section L.

Correct Answer is. Airworthiness Notice (AWN) 3. Explanation. AWN 3 page 2 para 1.2 (d).

Question Number. 30. The technical laws relating to Civil Aviation are contained in. Option A. the Civil Aircraft Inspection Procedures. Option B. the Air Navigation Order. Option C. the Civil Aviation Act 1971.

Correct Answer is. the Air Navigation Order. Explanation. NIL.

Question Number. 31. Civil aircraft manufactured in the UK are constructed from parts that have been. Option A. manufactured to approved drawings.Option B. manufactured by British Aerospace. Option C. tested to destruction.

Correct Answer is. manufactured to approved drawings.Explanation. NIL.

Question Number. 32. Design drawings of aircraft components are produced by organisations approved by. Option A. C.A.A. in accordance with BCAR. Option B. British Standards Institute. Option C. S.B.A.C.

Correct Answer is. C.A.A. in accordance with BCAR. Explanation. CAIP S BL / 1-4 Para 2.

Question Number. 33. Civil Aircraft Airworthiness Information Procedures. Option A. contain information of a mandatory nature. Option B. contain approved inspection schedules. Option C. are a guide to the general maintenance of aircraft.

Correct Answer is. are a guide to the general maintenance of aircraft. Explanation. NIL.

Question Number. 34. British Civil Airworthiness Requirements. Option A. specify the minimum qualifications for aircrew and engineers. Option B. list the minimum design requirements for aircraft. Option C. give General technical information.

Correct Answer is. list the minimum design requirements for aircraft. Explanation. CAIP S BL / 1-9 Para 6-1.

Question Number. 35. What work has to be recorded and signed for?. Option A. Only work which entails a duplicate inspection. Option B. Only work involving replacements. Option C. All work carried out.

Correct Answer is. All work carried out. Explanation. NIL.

Question Number. 36. Are CAAIP. mandatory?. Option A. Only selected parts which are in B.C.A.R. Option B. Yes, but only for six months at a time. Option C. No, nothing in CAAIPs is mandatory.

Correct Answer is. No, nothing in CAAIPs is mandatory. Explanation. NIL.

Question Number. 37. With a serviceable chain not required for use, how should you store it?.

Option A. Lay the chain flat in full length , lubricate and wrap in brown paper to exclude all dirt and moisture. Option B. Clean, lubricate, wrap the chain in grease proof paper and suspend.Option C. Carefully coil, lubricate, lay flat and wrap in grease proof paper.

Correct Answer is. Carefully coil, lubricate, lay flat and wrap in grease proof paper. Explanation. DLeaflet 5-4 6.7. CAIP S AL/3-2 Para 6.7.

Question Number. 38. What is the licensed engineer responsible for when fitting a new component to an aircraft?. Option A. That the paperwork is signed by an approved signatory. Option B. That is has a green serviceable tag. Option C. The correct part number, the modification state and the serviceability of the component.

Correct Answer is. The correct part number, the modification state and the serviceability of the component. Explanation. NIL.

Question Number. 39. If an aircraft exceeded the RVSM, when shall the crew report the incident in the appropriate channels. Option A. 48 hrs.Option B. 24 hrs.Option C. 72 hrs.

Correct Answer is. 72 hrs.Explanation. Reduced Vertical Separation Minimum excedance is an 'Incident'. JAR OPS Subpart D. Para.1.420.

Question Number. 40. If the aircraft is away from base who may certify the second part of the duplicate inspection?. Option A. a pilot with a licence for the aircraft type.

Option B. a pilot with a licence for any similar aircraft type. Option C. any licensed engineer.

Correct Answer is. a pilot with a licence for the aircraft type. Explanation. BCAR A/B 6-2 10.3.9.

Question Number. 41. Block cumulative maintenance means that. Option A. all the checks require the same man hour input except for the major inspections. Option B. each check usually involves an increased aircraft down time. Option C. all the maintenance is carried out in blocks.

Correct Answer is. each check usually involves an increased aircraft down time. Explanation. NIL.

Question Number. 42. A separate modification record book is required for. Option A. passenger aircraft exceeding 2730 kgs MTWA. Option B. all aircraft. Option C. passenger aircraft exceeding 3600 kgs MTWA.

Correct Answer is. passenger aircraft exceeding 2730 kgs MTWA. Explanation. BCAR A/B 7-9 Para.1.3.

Question Number. 43. Sector record pages from the Tech Logs, must be. Option A. at least duplicated. Option B. retained for two years from the date of issue. Option C. retained for four years from the last effective date.

Correct Answer is. at least duplicated. Explanation. BCAR A/B 7-8 Para.4.1.

Question Number. 44. Minimum equipment to be carried is listed in.

Option A. JAR 145. Option B. JAR OPS. Option C. JAR 25.

Correct Answer is. JAR OPS. Explanation. JAR OPS subpart K.

Question Number. 45. What should be checked before a licensed engineer signs a CRS?. Option A. That he/she has worked for 6 months on the aircraft type within the previous 2 years. Option B. That he/she has worked for 4 months on the aircraft type within the previous 2 years. Option C. That he/she has had continuation training within the previous 2 years.

Correct Answer is. That he/she has worked for 6 months on the aircraft type within the previous 2 years. Explanation. JAR 145.35 and associated IEM.

Question Number. 46. Rubber components should be stored. Option A. in a cool dark area. Option B. in warm and humid conditions. Option C. in a well lit room.

Correct Answer is. in a cool dark area. Explanation. Leaflet 1-8 3.13.1 and 3.13.3.

Question Number. 47. Storage of components to prevent corrosion is helped. Option A. by using silica gel. Option B. by wrapping in grease proof paper. Option C. by placing them in a plastic box.

Correct Answer is. by using silica gel. Explanation. BL/1-7 2.2.3Silica gel (silica dioxide) is a 'desiccant' i.e. it absorbs moisture.

Question Number. 48. Dye penetrant kits should be stored. Option A. out of sunlight in a dry place.Option B. in direct sunlight to keep it dry. Option C. in a dark damp cupboard.

Correct Answer is. out of sunlight in a dry place.Explanation. NIL.

Question Number. 49. When receiving new parts it is the responsibility of the engineer to check. Option A. it has a green serviceable label attached. Option B. it is of the correct modification state and is serviceable. Option C. it was designed to acceptable standards.

Correct Answer is. it is of the correct modification state and is serviceable. Explanation. AWN 3.

Question Number. 50. For airworthiness purposes, aircraft structural parts are graded as. Option A. primary, secondary and tertiary. Option B. class A, B and C. Option C. 1, 2 and 3.

Correct Answer is. primary, secondary and tertiary. Explanation. Primary, secondary and tertiary are the three 'structure' classifications.

Question Number. 51. If an unauthorized repair is carried out Option A. the aircraft can fly with a Certificate of Fitness for Flight.

Option B. the Cof A is invalidated until an authorized repair has

been done. Option C. the Cof A is not invalidated providing a CRS is issued.

Correct Answer is. the Cof A is invalidated until an authorized repair has been done. Explanation. NIL.

Question Number. 52. A C.of A. for export. Option A. does not give authority by it self for the aircraft to fly. Option B. gives authority for the aircraft to fly.Option C. is required before aircraft registration in a foriegn country.

Correct Answer is. does not give authority by it self for the aircraft to fly. Explanation. NIL.

Question Number. 53. A fitness for flight is issued for an aircraft after a major modification by. Option A. the pilot, type rated on that particular aircraft. Option B. a appropriate licensed aircraft engineer. Option C. a CAA surveyor or person approved within the CAA.

Correct Answer is. a appropriate licensed aircraft engineer. Explanation. NIL.

Question Number. 54. An unauthorised repair has been carried out. Option A. sign a CRS for the repair. Option B. apply for it as a modification.Option C. carryout an approved repair.

Correct Answer is. carryout an approved repair. Explanation. NIL.

Question Number. 55. A Part-66 licensed engineer, when signing a CRS for a non-Part-145 company would need to have. Option A. maintenance experience for 6 months within the last 24

months. Option B. an aircraft type refresher in the last 24 months. Option C. maintenance experience for 4 months within the last 24 months.

Correct Answer is. maintenance experience for 6 months within the last 24 months. Explanation. NIL.

Question Number. 56. A National UK licensed engineer, when signing a CRS would need to have. Option A. an aircraft type refresher in the last 24 months. Option B. maintenance experience for 4 months within the last 24 months. Option C. maintenance experience for 6 months within the last 24 months.

Correct Answer is. maintenance experience for 6 months within the last 24 months. Explanation. AWN 3 (issue 20) pg 4 para 1.8.

Question Number. 57. Vital point inspections. Option A. are points which require special certifying LAEs. Option B. are components which involve duplicate inspections. Option C. are lifed components.

Correct Answer is. are components which involve duplicate inspections. Explanation. BCAR A5-3 para 3 states: VITAL POINTS are any point on an aircraft at which single mal-assembly could lead to catastrophe, ie. result in loss of aircraft and/or in fatalities. Hence the need for duplicate inspections, AWN 3 pg 3 para 1.6.

Question Number. 58. On a pre flight check you notice an instrument glass is cracked. You should. Option A. enter into technical log.

Option B. check MEL. Option C. tell oncoming captain.

Correct Answer is. check MEL. Explanation. NIL.

. The 1944 Convention on International Civil Aviation was signed inChicago bya) 52 countries (member States)b) 25 countries (member States)c) 27 countries (member States)d) 190 countries (member States)

a) 52 countries (member States)

2. ICAO Headquarters locateda) in Montrealb) in Parisc) in Cairod) in Bangkok

a) in Montreal

3. ICAO member state currently consist ofa) 190 statesb) 185 statesc) 52 state

a) 190 states

4. which of the following is not in ICAO Annexesa) Standardsb) Recommended practicesc) Forewordsd) Notification

d) Notification

5. full implementation of the which of the following is mandatory forcontracting statea) Standardsb) Recommended practicesc) Chicago conventiond) Guidance material

c) Chicago convention

6. Contracting States required to notify the ICAO of any differencesbetween their National regulations and practices anda) Standardsb) Recommended practicesc) Chicago conventiond) Guidance material

a) Standards

7. ICAO consist of :a) Assembly , regional office , secretaryb) Assembly , council, regional officec) Assembly , council, secretaryd) council, secretary, regional offices

c) Assembly , council, secretary

8. ICAO Assembly composed of:a) Representatives from all contracting Statesb) 33 elected contracting states

c) representatives from all regional officesd) council, secretary, regional office

a) Representatives from all contracting States

9. which of the following is not correct.a) The Assembly normally meets every 3 yearsb) The Assembly votes a triennial budgetc) sets the work program for the next trienniumd) The Assembly elected the Council President

d) The Assembly elected the Council President

10. Standards and Recommended Practices established by thea) Councilb) Secretaryc) Regional officesd) Assembly

a) Council

11. The Secretariat, headed by a Secretary General and divided into:a) five bureausb) Air Navigation, Air Transport, , and Administration andServicesc) 7 bureausd) five Regional offices

a) five bureaus

12. The Secretary General of the Organization is appointed by the:a) Assembly of ICAO for a three-year termb) Council of ICAO for a three-year termc) Assembly of ICAO for a one-year termd) Regional offices of ICAO for a three-year term

b) Council of ICAO for a three-year term

13. The Middle East (MID) Regional offices located ata) Parisb) Bangkokc) Tehrand) Cairo

d) Cairo

14. Over the years, the ICAO has developed and adopteda) 26 technical Annexes to the Convention.b) 19 technical Annexes to the Conventionc) 18 technical Annexes to the Conventiond) 190 technical Annexes to the Convention

c) 18 technical Annexes to the Convention

15. The ICAO annex 1 isa) Personnel Licensing. Licensing of flight crews, air trafficcontrollers and aircraft maintenance personnel.b) Rules of the Air. Rules relating to the conduct of visual andinstrument flightsc) Units of Measurement to be Used in Air and GroundOperations.d) All of the above

a) Personnel Licensing. Licensing of flight crews, air trafficcontrollers and aircraft maintenance personnel.

16. The ICAO annex 8 isa) Operation of Aircraft.b) Aeronautical Charts.c) Airworthiness of Aircraft.d) Search and Rescue.

c) Airworthiness of Aircraft.

17. Non-binding material that helps to illustrate the meaning of anImplementing rule or a certification specification isa) AMCb) GMc) Airworthiness codesd) Annexes

b) GM

18. Who can issue AMC ?a) ICAOb) EASAc) National Aviation Authorityd) b & c

d) b & c

19. Implementing rule Maintenance are applicable for aircraft,including any component for installation thereto, which are:a) registered in a Member Stateb) registered in a third countryc) registered in IR. Irand) used by an operator for which IR. Iran ensures oversightof operations

a) registered in a Member State

20. EASA Basic Regulation contain :a) 80 articlesb) 60 articlesc) 65 articlesd) 70 articles

d) 70 articles

21. Component means :a) any part or appliance

b) any engine, part or appliancec) any engine, propellerd) any engine, propeller, part or appliance

d) any engine, propeller, part or appliance

22. continuing airworthiness means all of the processes ensuring that,at any time in its operating life,a) the aircraft complies with the airworthiness requirements inforceb) Licensing and certification obligationsc) the aircraft is in a condition for safe operationd) a &c

d) a &c

23. Which of following regulation approved by the European Parliament?a) basic regulation (216/2008)b) Implementing Rule Maintenance (2042/2003)c) Implementing Rule Certification (1702/2003)d) Part 145

a) basic regulation (216/2008)

24. Documents to be carried on a specific aircraft for a specific purposeis given ina) Part- 145b) Part-Mc) Part-21d) EU-OPS

d) EU-OPS

25. Safe operation of the aircraft is the responsibility of thea) part‐M organization.b) ownerc) operatord) certifying staff

c) operator

26. A Part‐145 organization based outside the EU, the competentauthority is.a) the CAA.b) the NAA of the country it is located in.c) the EASA.d) The EASA or CAA

c) the EASA.

27. Annex II of the Implementing Rule Maintenance isa) Part 145b) Part Mc) Part 66d) Part 147

b) Part M

28. The personnel responsible for the release of an aircraft or acomponent after Maintenance refer to as:a) Nominated personnelb) certifying staffc) category B1 staffd) all staf

b) certifying staff

29. According to article 4 of Implementing Rule Maintenance (2042/2003)which organization (s) shall be approved according to EASA Part

145a) large organizationb) organization involved in the maintenance of large aircraftc) organization involved in the maintenance of aircraft used for commercialair transportd) b and c are correct

d) b and c are correct

30. where would you normally train for licenses?a) At CAO.IRI Part-147 approved organizationb) At CAO.IRI Part-145 approved organizationc) At universityd) At a technical training school

a) At CAO.IRI Part-147 approved organization

31. Requirement for a license issue are found ina) CAO.IRI Part-147b) EASA Part-145c) CAO.IRI Part-66d) Part-OPS

c) CAO.IRI Part-66

39. Category B2 meansa) Line maintenance certifying mechanicb) Maintenance certifying technician - mechanicalc) Maintenance certifying technician - avionicd) Base maintenance certifying engineer

c) Maintenance certifying technician - avionic

40. Categories B1 are subdivided into subcategories, B1.3 means:a) Aeroplanes Turbineb) Aeroplanes Piston

c) Helicopters Turbined) Helicopters Piston

c) Helicopters Turbine

41. An applicant for an aircraft maintenance license or amendment tosuch license shallcompletea) CAO.IRI Form 19b) CAO.IRI Form 2c) CAO.IRI Form 12d) CAO.IRI Form 52

a) CAO.IRI Form 19

42. A category A Aircraft Maintenance License permits the holder to issueCertificates of Release to Service followinga) Minor scheduled line maintenanceb) Base maintenancec) Simple defect rectificationd) a & c are correct

d) a & c are correct

43. Which Category shall automatically include the appropriate Asubcategory?a) B2b) Ac) B1d) C

c) B1

44. The holder of an aircraft maintenance license may not exercisecertification privileges unlessa) in the preceding 3 year period he/she has, either had six months

ofmaintenance experienceb) in the preceding two-year period he/she has, either had 12 months ofmaintenance experiencec) in the preceding 3 year period he/she has, either had 12 months ofmaintenance experienced) in the preceding two-year period he/she has, either had six monthsof maintenance experience

d) in the preceding two-year period he/she has, either had six monthsof maintenance experience

45. The holder of an aircraft maintenance license shall bea) able to read, write and communicate to an understandable level inThe language(s) in which the technical documentation andprocedures necessary to support the issue of the Certificate ofRelease to Service are written.b) able to read, write and communicate to an understandable level in theEnglish languagec) able to read, write and communicate to an understandable level in thePersian languaged) all of the above

a) able to read, write and communicate to an understandable level inThe language(s) in which the technical documentation andprocedures necessary to support the issue of the Certificate ofRelease to Service are written.

46. Appendix I to CAO.IRI part 66 (Basic knowledge requirements) contain:a) 17 modules

b) 18 modulesc) 10 modulesd) 20 modules

b) 18 modules

47. Experience requirements for category A and subcategories B1.2 andB1.4 area) 2 year of practical maintenance experience on operating aircraftand completion of a Part-147 approved basic training course.b) one year of practical maintenance experience on operating aircraft andcompletion of a Part-147 approved basic training course.c) three years of practical maintenance experience on operating aircraft, ifthe applicant has no previous relevant technical training;d) b & c are correct

d) b & c are correct

48. Experience requirements for category B2 area) 3 year of practical maintenance experience on operating aircraft andcompletion of a Part-147 approved basic training course.b) one year of practical maintenance experience on operating aircraftand completion of a Part-147 approved basic training course.c) three years of practical maintenance experience on operating aircraft,if the applicant has no previous relevant technical training;d) three years of practical maintenance experience on operating aircraftand completion of training considered relevant by the CAO.IRI as askilled worker, in a technical trade; or

d) three years of practical maintenance experience on operating aircraftand completion of training considered relevant by the CAO.IRI as askilled worker, in a technical trade; or

49. The aircraft maintenance license is valid fora) 1 yearsb) 2 yearsc) 5 yearsd) 3 years

d) 3 years

50. A aircraft task training shall be carried out fora) Category B1b) Category B2c) Subcategory B1.3d) Category A

d) Category A

51. Manufacturer group ratings may be granted after complying with thetype rating requirements ofa) two aircraft types' representative of the group from the samemanufacturerb) three aircraft types representative of the group from differentmanufacturersc) three aircraft types' representative of the group from the samemanufacturerd) two aircraft types representative of the group from differentmanufacturers

c) three aircraft types' representative of the group from the samemanufacturer

52. An applicant for an aircraft maintenance equivalent license shalla) be at least 18 years of ageb) has valid aircraft maintenance license issued by the ICAOContracting States according to annex 1 to the ICAO Chicagoconvention.c) has special class "A" medical approvald) all the above

d) all the above

53. An aircraft maintenance experience gained outside a civil aircraftMaintenance environment :a) shall not be acceptedb) shall not require additional experience of civil aircraft maintenancec) shall be accepted when such maintenance is equivalent to thatrequired by this Partd) Shall be accepted when such maintenance is more than thatrequired by this Part.

c) shall be accepted when such maintenance is equivalent to thatrequired by this Part

54. To what does a B1‐3 License apply to?a) Helicopter with turbines, their engines, airframes and electrics.b) Light aircraft with piston engines.c) Helicopters with piston engines, their engines, airframes andelectrics.d) All of the above

a) Helicopter with turbines, their engines, airframes and electrics.

55. What can an A1 licensed engineer sign for?a) Minor Scheduled Line Maintenance tasks on turbine enginehelicopters.

b) Minor Scheduled Line Maintenance tasks on turbine engineaircraft.c) Minor Scheduled Line Maintenance tasks on piston engineaircraft.d) None of the above.

b) Minor Scheduled Line Maintenance tasks on turbine engineaircraft.

56. Where would you find the requirements and the syllabus for a maintenancelicense?.a) Part‐147.b) Part‐145.c) Part‐66.d) Part-21

c) Part‐66.

57. The term 'Extension' of a Part‐66 licence means.a) to extend its validity for a further period of time.b) to add an additional basic category.c) to add a type approval.d) to extend all of the above

c) to add a type approval.

58. A B2 License applies to.a) line maintenance on airframe structure and powerplants.b) line maintenance on electrical systems and avionics.c) line maintenance on airframe structure.d) Base maintenance on airframe structure.

b) line maintenance on electrical systems and avionics.

59. The personnel responsible for the release of an aircraft or a component afterMaintenance refer to as:a) Nominated personnelb) certifying staffc) category B1 staffd) all staff

b) certifying staff

60. Class rating A3 in Approval schedule meansa) Helicopterb) Aero plane More than 5700 Kgc) Componentd) Engine (Turbine)

a) Helicopter

61. How many people sign a CRS after scheduled maintenance?.a) One.b) One in each category.c) Two.d) Three

a) One.

62. The independent audit part of a QA department of a large Part‐145company.a) must be part of the company.b) can be combined with the planning department.c) can be contracted out to another company.d) can be carried out by contracted personnel

a) must be part of the company.

63. Maintenance documentation held by a Part‐145 company is kept for.a) 2 years after they were raised.b) 5 years after they have expired.c) 2 years after the aircraft has been returned to the operator.d) 10 years

c) 2 years after the aircraft has been returned to the operator.

64. NDT rating (D1) is only necessary for a Part-145 approved maintenanceorganization that:a) carry out NDT as particular task for another organizationb) carry out NDT as particular task for the organizationc) carry out NDT as particular task according to EN 4179d) a and c are correct

a) carry out NDT as particular task for another organization

65. Which of the following is correct?a) For base maintenance of aircraft, aircraft hangars are both availableand large enough to accommodate aircraft on planned basemaintenanceb) Office accommodation for the management and certifying staff isprovidedc) For component maintenance, component workshops are largeenough to accommodate the components on planned maintenanced) All of the above

d) All of the above

66. Personnel requirements for Part 145 maintenance organization Approvalconsist of:a) nominated person, accountable personnel, staff, quality system

monitoring responsible person.b) nominated person, accountable manager, certifying staff, qualitysystem monitoring responsible person.c) nominated person, accountable manager, B1 &B2 certifying staff,quality system monitoring responsible person.d) nominated person, accountable personnel, certifying staff, qualityassurance manager.

a) nominated person, accountable personnel, staff, quality systemmonitoring responsible person.

67. For which of the following case the organization shall have category Caircraft Maintenance licensea) Line Maintenance of large aircraftb) Maintenance of small aircraftc) Maintenance of large aircraftd) Base Maintenance of large aircraft

d) Base Maintenance of large aircraft

68. What is the responsibility of the B1 and B2 support staff at Basemaintenance of Large aircrafta) shall ensure that all relevant tasks or inspections have been carriedout to the required standard before issues the certificate of releaseto serviceb) issues the certificate of release to servicec) shall ensure that all relevant tasks or inspections have been carriedout to the required standard before the category C certifying staffissues the certificate of release to serviced) all of the above

c) shall ensure that all relevant tasks or inspections have been carriedout to the required standard before the category C certifying staffissues the certificate of release to service

69. use of alternative tooling or equipment shall:a) agreed by the CAO.IRIb) Have procedures specified in the exposition.c) Approved by CAO.IRId) a & b are correct

d) a & b are correct

70. Components which have reached their certified life limit or contain anon-repairable Defect shall be classified as :a) unserviceable componentb) serviceable componentc) unsalvageable componentd) salvageable component

c) unsalvageable component

71. The organization may only modify maintenance instructionsa) i.a.w a procedure specified in the MOE.b) the organization shall demonstrate that they result in equivalentor improved maintenance standardsc) shall inform the type-certificate holder of such changesd) all of the above

d) all of the above

72. The maintenance procedures under 145.A.65 apply toa) 145.A.15 to 145.A.95b) 145.A.25 to 145.A.95c) 145.A.25 to 145.A.75d) 145.A.5 to 145.A.95

c) 145.A.25 to 145.A.75

73. The organization shall notify the CAO.IRI of any proposal to carry outwhich of the following changes before such changes take place?a) the name of the organization;b) the main location of the organization;c) additional locations of the organization;d) all of the above

d) all of the above

74. Upon surrender or revocation, the approval shall bea) returned to the CAO.IRIb) returned to the operatorc) returned to the maintenance organizationd) all of the above

a) returned to the CAO.IRI

75. A level 1 finding is any significant non-compliance with Part-145requirements whicha) could lower the safety standard and possibly hazard the flight safetyb) lower the safety standard and hazard the flight safetyc) could lower the safety standard and hazard the flight safetyd) lower the safety standard and possibly the flight safety

b) lower the safety standard and hazard the flight safety

76. After receipt of notification of findings according to 145.B.50, the holderof the Maintenance organization approval shall :a) Define a corrective action planb) Demonstrate corrective action to the satisfaction of the CAO.IRI within

a period agreed with this authority.c) a and b are correctd) none of the above

c) a and b are correct

77. Certificate of authorizationa) Issue by the maintenance organizationb) Issue by the competent personc) Issue by the CAO.IRId) Issue for the release of the aircraft to service

a) Issue by the maintenance organization

78. Authorized person means :a) Category C certifying staffb) Certifying staffc) The officials of the CAO.IRId) Accountable manager

c) The officials of the CAO.IRI

79. Certifying staff and category B1and B2 support staff in any consecutivetwo years Period shall havea) At least 4 months of actual relevant maintenance experienceb) At least 12 months of actual relevant maintenance experiencec) At least 6 months of actual relevant maintenance experienced) At least 8 months of actual relevant maintenance experience

c) At least 6 months of actual relevant maintenance experience

80. The organization shall ensure that all certifying staff and category B1and B2 support Staff receive sufficient continuation training in each:a) 3 years period

b) 2 years periodc) 1 year periodd) Six months period

b) 2 years period

81. Who is responsible on behalf of the organization for issuingCertification authorizations to certifying staff?a) Nominated person (s)b) The person responsible for quality systemc) The person responsible for issuing the CRSd) The person responsible for man-hour plane

b) The person responsible for quality system

82. A Certificate of Release to Service (CRS) shall be issueda) by the nominated person (s)b) before flight at the completion of any maintenancec) during flight at the completion of any maintenanced) during flight by the category C certifying staff

b) before flight at the completion of any maintenance

83. The organization shall report any condition of the aircraft or componentidentified by The organization that has resulted or may result in an unsafecondition that hazards seriously the flight safety to thea) state of registry , operators and organization responsible for thedesign of aircraft or componentb) CAO.IRI, state of registry , operators and organization responsiblefor the design of aircraft or componentc) organization responsible for the manufacturing of aircraft orcomponent CAO.IRI, operators and organization responsible for the

design of aircraft or componentd) CAO.IRI and state of registry

a) state of registry , operators and organization responsible for thedesign of aircraft or component

84. .... the independent audit part of the quality system may be contracted toAnother organization approved under this Part or a person withappropriate technical knowledgea) In case of large aircraftb) In case of small aircraftc) In case of small organizationd) In case of large organization

c) In case of small organization

85. Capability lista) Is not Part of MOEb) Shall review periodically by the CAO.IRIc) Contain organization scope of workd) Contain certifying staff capability

c) Contain organization scope of work

86. The organization shall establish a quality system that includes a qualityfeedback Reporting systema) to the nominated persons.b) ultimately to the accountable manager.c) to the CAO.IRId) a and b are correct

d) a and b are correct

87. if at a major check, there is too much documentation to go into the

log book:a) The documentation is stored elsewhere and logbook is crossreferred to it.b) A new log book is raised.c) A CRS is raised to cover the documentation, and the documentationis then discarded.d) An ARC is raised to cover the documentation, and the documentationis then discarded.

a) The documentation is stored elsewhere and logbook is crossreferred to it.

88. A Category 3 landing is.a) a decision height of 30 M (100ft) or less.b) a decision height of 60 M (200ft) or more.c) a decision height of 60 M (200ft) or less.d) a decision height of 100 M (330ft) or less.

a) a decision height of 30 M (100ft) or less.

89. An instrument landing system requires.a) both airborne equipment and airport ground equipment.b) airport ground equipment only.c) airborne equipment only.d) None of the above

a) both airborne equipment and airport ground equipment.

90. The minimum equipment list is found in the.a) Flight manual.b) Maintenance manual.c) Maintenance schedule.

...

91. The minimum number of battery powered megaphones required foran aircraft capable of carrying more than 199 passengers is.a) 3.b) 5.c) 7.

a) 3.

92. Life jackets not equipped with a whistle are.a) acceptable for one passenger of a pair.b) not acceptable.c) acceptable for children under 3 years old.

c) acceptable for children under 3 years old.

93. Mandatory markings for flight instruments, or placards are annotated in the.a) Aircraft Maintenance Schedule.b) Flight manual or Certificate of Airworthiness.c) Aircraft Maintenance Manual.

b) Flight manual or Certificate of Airworthiness.

94. a type certificate is issueda) before C of A .b) after C of A .c) after CRS.d) after production certificate.

a) before C of A .

95. The details of design of a particular aircraft can be found where?.a) The Maintenance Manual.b) The Declaration of Design and Performance.

c) EASA Certification Specification 25.d) CAO.IRI Part-21

b) The Declaration of Design and Performance.

96. The validity of an EASA permit to fly is.a) 12 monthsb) 7 dayc) 3 monthsd) as stated on the certificate but not exceeding 14 days

b) 7 day

97. A Major Modification.a) will always require air testing after embodiment.b) is approved by an A.A.N.c) must be certified in the Modification Record Book.

b) is approved by an A.A.N.

98. An Air Operators Certificate must be issued by the CAA. before anairline can.a) carry passengers and/or freight for reward.b) carry freight for reward.c) carry fare paying passengers.

a) carry passengers and/or freight for reward.

99. If a modification is carried out on an aircraft, it is entered.a) the modification record book.b) both aircraft and modification log books.c) the aircraft log book.

...

100. Subpart F of Part M is requirement for maintenance organizationapproval of thea) small aircraftb) large aircraftc) small organizationd) large organization

a) small aircraft

101. which organization (s) shall be approved according to Part 145a) large organizationb) organization involved in the maintenance of large aircraftc) organization involved in the maintenance of aircraft used forcommercial air transportd) b and c are correct

d) b and c are correct

102. When the aircraft is leased, the responsibilities of the owner aretransferred to thea) lessee if the lessee is stipulated on the registration document.b) CAMO if detailed in the leasing contractc) operatord) lesser

a) lessee if the lessee is stipulated on the registration document.

103. Who is responsible for aircraft pre-flight inspection?a) The pilot-in-command only .b) the operator.c) The pilot-in-command or, in the case of commercial air transport,The operatord) The approved maintenance organization .

c) The pilot-in-command or, in the case of commercial air transport,The operator

104. In order to satisfy the continuing airworthiness responsibilities theowner of an aircraft may contract the tasks associated with continuingairworthiness toa) A part 145 AMO.b) An operator.c) an AMO as specified in M.A. Subpart Fd) an approved CAMO as specified in M.A. Subpart G .

d) an approved CAMO as specified in M.A. Subpart G .

105. In the case of commercial air transport the operator shall:a) be approved, as part of the air operator certificate pursuant to M.A.Subpart F for the aircraft it operates or contract such anorganizational.b) be approved in accordance with Part-145 or contract such anorganizational.c) be approved in accordance with Part-145.d) be approved, as part of the air operator certificate pursuant to M.A.

b) be approved in accordance with Part-145 or contract such anorganizational.

106. Occurrence reports shall be made as soon as practicable, but in anycase within:a) 72 hours of the person or organization identifying the conditionto which the report relates.a) 48 hours of the person or organization identifying the conditionto which the report relates.

b) 24 hours of the person or organization identifying the conditionto which the report relates.c) 96 hours of the person or organization identifying the conditionto which the report relates.

a) 72 hours of the person or organization identifying the conditionto which the report relates.

107. the MEL and CDL shall be taking into account:a) for the rectification of any defect and damage affecting safeOperation of large aircraft or aircraft used for commercial airtransport.b) for the rectification of any defect and damage affecting safeoperation of large aircraft.c) for the rectification of any defect and damage affecting safeoperation of any aircraftd) for the rectification of any defect and damage will not affectingsafe operation of large aircraft .

a) for the rectification of any defect and damage affecting safeOperation of large aircraft or aircraft used for commercial airtransport.

108. which of the following is correct.a) Every aircraft shall be maintained in accordance with a MPapproved by the competent authority.b) only large aircraft shall be maintained in accordance with a MPapproved by the competent authority.d) Large aircraft and aircraft used for commercial air transport shallBe maintained in accordance with a MP approved by the competentauthority.d) Only large aircraft and component there to shall be maintained inaccordance with a MP approved by the competent authority.

a) Every aircraft shall be maintained in accordance with a MPapproved by the competent authority.

109. which of the following is not include MP.a) instructions for continuing airworthiness issued by TC and STCholders.b) Any instructions defined by the owner or the operator.c) details, including frequency, of all maintenance to be carried out.d) instructions issued by the competent authority.

b) Any instructions defined by the owner or the operator.

110. The MP must include a reliability programmed when the MP is based.a) on Maintenance Steering Group logic or mainly on conditionmonitoring.b) on Maintenance Steering Group logic or mainly on condition.c) on hard time or mainly on condition monitoring.d) on Maintenance Steering Group logic or mainly on hard time .

a) on Maintenance Steering Group logic or mainly on conditionmonitoring.

111. continuing airworthiness management organization shall have .a) MOE .b) MTOE.c) CAME.d) QAM

c) CAME.

112 For aircraft above 2370 kg The airworthiness review staff shall haveacquired:a) at least 6 years' experience in continuing airworthiness.b) at least 3 years' experience in continuing airworthiness.

c) at least 4 years' experience in continuing airworthiness.d) at least 5 years' experience in continuing airworthiness .

d) at least 5 years' experience in continuing airworthiness .

113. In the case of commercial air transport, when the operator is notappropriately approved to Part-145:a) the operator shall establish a written maintenance contract between theoperator and a Part-145 approved organization.b) The aircraft base, scheduled line maintenance and engine maintenancecontracts, together with all amendments, shall be approved by thecompetent authority.c) The aircraft base, scheduled line maintenance and engine maintenancecontracts shall not necessary to be approved by the competentauthority.d) a and b are correct.

d) a and b are correct.

114. Which of the following is not part of documented review of the aircraftrecords ?a) all known defects have been corrected or, when applicable, carriedforward in a controlled manner.b) all applicable airworthiness directives have been applied and properlyregistered.c) the flight manual is applicable to the aircraft configuration and reflectsthe latest revision status.

d) all modifications and repairs applied to the aircraft have beenRegistered and are approved according to Part-M

d) all modifications and repairs applied to the aircraft have beenRegistered and are approved according to Part-M

115. An airworthiness review of the aircraft and its continuing airworthinessrecords must be carried out periodically to ensure:a) the validity of the aircraft airworthiness certificate.b) the validity of the CAMO certificate.c) the validity of the aircraft CRS.d) the validity of the organization approval certificate.

a) the validity of the aircraft airworthiness certificate.

116. An aircraft in a controlled environment is an aircrafta) continuously managed during the previous 12 months by a uniqueCAMO.b) which has been maintained for the previous 12 months by MOA.c) a and b are correctd) none of the above

c) a and b are correct

117. In which of the following case ARC may be issue by the CAMO.a) For all aircraft used in commercial air transport and aircraftabove 2730 kg MTOM, except balloons, that are not in a controlledenvironment.b) For all aircraft which continuing airworthiness is managed bya CAMO that does not hold the privilege to carry out airworthinessreviews.c) For all aircraft used in commercial air transport that are in aControlled environment.d) For all aircraft above 2730 kg MTOM, except balloons that areinot in a controlled environment

c) For all aircraft used in commercial air transport that are in aControlled environment.

118. Whenever circumstances reveal the existence of a potential safety threat,a) the competent authority shall carry out the AR and issue the ARC itself.b) the competent authority shall carry out the AR and CAMO shall issuehe ARC.c) the CAMO shall carry out the AR and issue the ARC.d) the CAMO shall carry out the AR and the competent authority issue theARC.

a) the competent authority shall carry out the AR and issue the ARC itself.

119. An aircraft must not fly ifa) the AR is valid.b) the aircraft has been operated beyond the limitations of the approvedlight manual.c) the aircraft has been involved in an accident or incident .d) a modification or repair has been approved in accordance with Part-21.

c) the aircraft has been involved in an accident or incident .

120. ARC of imported aircraft shall be issued bya) the CAMO.b) the authority.c) the certifying staff formally approved by the competent authority.d) the part 145 approved maintenance organization

b) the authority.

121. ARC of imported aircraft shall be issued bya) the CAMO.b) the authority.c) the certifying staff formally approved by the competent authority.d) the part 145 approved maintenance organization.

b) the authority.

122. An aircraft technical log system is NOT containing thea) the current aircraft CRS.b) information about each flight, necessary to ensure continued flightsafety.c) an aircraft logbook, engine logbook(s) or engine module log cards,propeller logbook(s) and log cards, for any service life limitedcomponent as appropriate.d) any necessary guidance instructions on maintenance supportarrangements.

c) an aircraft logbook, engine logbook(s) or engine module log cards,propeller logbook(s) and log cards, for any service life limitedcomponent as appropriate.

123. Any aircraft defect that hazards seriously the flight safety shall berectified:a) as soon as practicable and within any limits specified in themaintenance data.b) before further flight.c) according to the quality system manager decision.d) all of the above.

b) before further flight.

124. An ARC becomes invalid if:a) suspended or revoked.

b) the Airworthiness Certificate is suspended or revoked.c) the aircraft is not on the aircraft register of a Member State.d) all of the above.

d) all of the above.

125. Where is the period of validity of ARC stated ?a) On the CRS.b) On the ARC.c) In the maintenance schedule.d) all of the above.

b) On the ARC.

127. For an aircraft to be ETOPS approved, it must.a) exceed an MTOW of 5700 kg and carry more than 19 passengers.b) carry more than 19 passengers but can be of any weight category.c) exceed an MTOW of 5700 kg but does not need to be public transport

c) exceed an MTOW of 5700 kg but does not need to be public transport

128. If an operator wishes to apply for ETOPS approval, modifications aremost likely to be Required of.a) the aircraft design, MEL, and AMS.b) the MEL, AMS and engineer training programmed.c) the aircraft design, MEL, AMS and engineer training programmed.

c) the aircraft design, MEL, AMS and engineer training programmed.

129. Independent and reliable electrical power should be available to anETOPS aircraft from at least.a) two sources at all times.

b) one source at all times.c) three sources.

c) three sources.

130. A Category 2 landing is.a) decision height of 60 M (200ft) or more.b) a decision height of 120 M (300ft) or more.c) a decision height of 30 M (100ft) or more.

c) a decision height of 30 M (100ft) or more.

131. Category 2 auto land with a decision height of 100 ft has a visualline up approach limit of.a) 00 meters.b) 500 meters.c) 400 meters.

a) 00 meters.

132. An instrument landing system requires.a) both airborne equipment and airport ground equipment.b) airport ground equipment only.c) airborne equipment only.

a) both airborne equipment and airport ground equipment.

133. Safe operation of the aircraft is the responsibility of the.a) part‐M organization.b) owner.c) operator.

c) operator.

134. The Overhaul Manual.a) allows you to comply with the Maintenance Schedule.

b) allows you to comply with the Maintenance Manual.c) allows you to repair, test or overhaul a component.

c) allows you to repair, test or overhaul a component.

135. Condition monitoring.a) permits in‐life until failure occurs.b) is a time lifted method of maintenance.c) is a preventative maintenance process.

a) permits in‐life until failure occurs.

136. An aircraft operators MEL.a) can be more restrictive than the aircrafts MMEL.b) can be less restrictive than the aircrafts MMEL.c) must be the same as the aircrafts MMEL.

a) can be more restrictive than the aircrafts MMEL.

137. A service bulletin contains.a) a list of maintenance tasks to be carried out on a particular aircraft.b) information concerning the airworthiness of aircraft and aredistributed by the CAA.c) a detailed description of a problem and corrective action to be taken.

c) a detailed description of a problem and corrective action to be taken.

138. An allowable deficiency is listed in the.a) Tech Log and Cabin Defect Log Book.b) Tech Log and deferred defect column.c) Tech Log and if necessary the deferred defects column.

c) Tech Log and if necessary the deferred defects column.

139. Aircraft above 5700 kg are weighed.a) every five years.b) two years after manufacture thereafter every five years.c) at manufacture then after 2 years then every 5 years after manufactured) none of

c) at manufacture then after 2 years then every 5 years after manufacture