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License Categories

Aircraft Maintenance Engineer Licence with various categories and sub categories

A1. Aeroplanes Turbine
A2. Aeroplanes Piston
A3. Helicopters Turbine
A4. Helicopters Piston

B1.1 Aeroplanes Turbine
B1.2 Aeroplanes Piston
B1.3 Helicopters Turbine
B1.4 Helicopters Piston

The B2 licence is applicable to all aircraft.

The B2L licence is applicable to all aircraft other than those in Group 1 as set out in Point
66.A.5(1) and is divided into the following ‘system ratings’:
− communication/navigation (com/nav),
− instruments,
− autoflight,
− surveillance,
− airframe systems.
A B2L licence shall contain, as a minimum, one system rating.

The B3 licence is applicable to piston-engine non-pressurised aeroplanes of 2 000 kg Maximum Take-off Mass (MTOM) and below.

− L1C: composite sailplanes,
− L1: sailplanes,
− L2C: composite powered sailplanes and composite ELA1 aeroplanes,
− L2: powered sailplanes and ELA1 aeroplanes,
− L3H: hot-air balloons,
− L3G: gas balloons,
− L4H: hot-air airships,
− L4G: ELA2 gas airships,
− L5: gas airships other than ELA2.

The C licence is applicable to aeroplanes and helicopters.

Aircraft maintenance Licence permits the holder to issue certificates of release to service following minor scheduled line maintenance and simple defect rectification within the limits of tasks specifically endorsed on the authorisation. The certification privileges shall be restricted to work that the Licence holder has personally performed in a Part-145 organisation.

Aircraft maintenance licence shall permit the holder to issue certificates of release to service following maintenance, including aircraft structure, power plant and mechanical and electrical systems. Replacement of avionic line replaceable units, requiring simple tests to prove their serviceability, shall also be included in the privileges. Category B1 shall automatically include the appropriate A subcategory.

Aircraft maintenance licence shall permit the holder to issue certificates of release to service following maintenance on avionic and electrical systems.

Aircraft maintenance licence shall permit the holder to issue certificates of release to service following base maintenance on aircraft. The privileges apply to the aircraft in its entirety in a Part-145 organisation.

Advantages of Having Part 147 Training Certification

One year of practical maintenance experience on operating aircraft and completion of an approved Part 147 basic training course.

Two years of practical maintenance experience on operating aircraft and completion of an approved Part 147 basic training course.

If you have completed an approvedEASA Part 147 basic training course relevant to the Category/Sub-Category applied for.

Basic examination standard (except for category L licence)

1.1. All basic examinations shall be carried out using the multi-choice question format and essay questions as specified below. The incorrect alternatives shall seem equally plausible to anyone ignorant of the subject. All of the alternatives shall be clearly related to the question and of similar vocabulary, grammatical construction and length. In numerical questions, the incorrect answers shall correspond to procedural errors such as corrections applied in the wrong sense or incorrect unit conversions: they shall not be mere random numbers.

1.2. Each multi-choice question shall have three alternative answers of which only one shall be the correct answer and the candidate shall be allowed a time per module which is based upon a nominal average of 75 seconds per question.

1.3. Each essay question requires the preparation of a written answer and the candidate shall be allowed 20 minutes to answer each such question.

1.4. Suitable essay questions shall be drafted and evaluated using the knowledge syllabus in Appendix I Modules 7A, 7B, 9A, 9B and 10.

1.5. Each question will have a model answer drafted for it, which will also include any known alternative answers that may be relevant for other subdivisions.

1.6. The model answer will also be broken down into a list of the important points known as Key Points.

1.7. The pass mark for each module and sub-module multi-choice part of the examination is 75%.

1.8. The pass mark for each essay question is 75% in that the candidates answer shall contain 75% of the required key points addressed by the question and no significant error related to any required key point.

1.9. If either the multi-choice part only or the essay part only is failed, then it is only necessary to retake the multi-choice or essay part, as appropriate.

1.10. Penalty marking systems shall not be used to determine whether a candidate has passed.

1.11. A failed module may not be retaken for at least 90 days following the date of the failed module examination, except in the case of a maintenance training organization approved in accordance with Annex IV (Part-147) which conducts a course of retraining tailored to the failed subjects in the particular module when the failed module may be retaken after 30 days.

1.12. The time periods required by point 66.A.25 apply to each individual module examination, with the exception of those module examinations which were passed as part of another category license, where the license has already been issued.

1.13. The maximum number of consecutive attempts for each module is three. Further sets of three attempts are allowed with a 1 year waiting period between sets. The applicant shall confirm in writing to the approved maintenance training organization or the competent authority to which they apply for an examination, the number and dates of attempts during the last year and the organization or the competent authority where these attempts took place. The maintenance training organization or the competent authority is responsible for checking the number of attempts within the applicable timeframes.

Part 66 Examination Questions and Duration

2.1. MODULE 1 — MATHEMATICS

Category	Questions	Time Allowed
Category A	16 multi-choice	20 minutes
Category B1	32 multi-choice	40 minutes
Category B2 and B2L	32 multi-choice	40 minutes
Category B3	28 multi-choice	35 minutes

2.2. MODULE 2 — PHYSICS

Category	Questions	Time Allowed
Category A	32 multi-choice	40 minutes
Category B1	52 multi-choice	65 minutes
Category B2 and B2L	52 multi-choice	65 minutes
Category B3	28 multi-choice	35 minutes

2.3. MODULE 3 — ELECTRICAL FUNDAMENTALS

Category	Questions	Time Allowed
Category A	20 multi-choice	25 minutes
Category B1	52 multi-choice	65 minutes
Category B2 and B2L	52 multi-choice	65 minutes
Category B3	24 multi-choice	30 minutes

2.4. MODULE 4 — ELECTRONIC FUNDAMENTALS

Category	Questions	Time Allowed
Category B1	20 multi-choice	25 minutes
Category B2 and B2L	40 multi-choice	50 minutes
Category B3	8 multi-choice	10 minutes

2.5. MODULE 5 — DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMS

Category	Questions	Time Allowed
Category A	16 multi-choice	20 minutes
Category B1.1 and B1.3	40 multi-choice	50 minutes
Category B1.2 and B1.4	20 multi-choice	25 minutes
Category B2 and B2L	72 multi-choice	90 minutes
Category B3	16 multi-choice	20 minutes

2.6. MODULE 6 — MATERIALS AND HARDWARE

Category	Questions	Time Allowed
Category A	52 multi-choice	65 minutes
Category B1	72 multi-choice	90 minutes
Category B2 and B2L	60 multi-choice	75 minutes
Category B3	60 multi-choice	75 minutes

2.7. MODULE 7A — MAINTENANCE PRACTICES

Category	Questions	Essay Questions	Time Allowed
Category A	72 multi-choice	2 essay	90 minutes plus 40 minutes
Category B1	80 multi-choice	2 essay	100 minutes plus 40 minutes
Category B2 and B2L	60 multi-choice	2 essay	75 minutes plus 40 minutes

MODULE 7B — MAINTENANCE PRACTICES

Category	Questions	Essay Questions	Time Allowed
Category B3	60 multi-choice	2 essay	75 minutes plus 40 minutes

2.8. MODULE 8 — BASIC AERODYNAMICS

Category	Questions	Time Allowed
Category A	20 multi-choice	25 minutes
Category B1	20 multi-choice	25 minutes
Category B2 and B2L	20 multi-choice	25 minutes
Category B3	20 multi-choice	25 minutes

2.9. MODULE 9A — HUMAN FACTORS

Category	Questions	Essay Questions	Time Allowed
Category A	20 multi-choice	1 essay	25 minutes plus 20 minutes
Category B1	20 multi-choice	1 essay	25 minutes plus 20 minutes
Category B2 and B2L	20 multi-choice	1 essay	25 minutes plus 20 minutes

MODULE 9B — HUMAN FACTORS

Category	Questions	Essay Questions	Time Allowed
Category B3	16 multi-choice	1 essay	20 minutes plus 20 minutes

2.10. MODULE 10 — AVIATION LEGISLATION

Category	Questions	Essay Questions	Time Allowed
Category A	32 multi-choice	1 essay	40 minutes plus 20 minutes
Category B1	40 multi-choice	1 essay	50 minutes plus 20 minutes
Category B2 and B2L	40 multi-choice	1 essay	50 minutes plus 20 minutes
Category B3	32 multi-choice	1 essay questions	40 minutes plus 20 minutes

2.11. MODULE 11A — TURBINE AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS

Category	Questions	Essay Questions	Time Allowed
Category A	108 multi-choice	0 essay	135 minutes
Category B1	140 multi-choice	0 essay	175 minutes

MODULE 11B — PISTON AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS

Category	Questions	Essay Questions	Time Allowed
Category A	72 multi-choice	0 essay	90 minutes
Category B1	100 multi-choice	0 essay	125 minutes

MODULE 11C — PISTON AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS

Category	Questions	Essay Questions	Time Allowed
Category B3	60 multi-choice	0 essay	75 minutes

2.12. MODULE 12 — HELICOPTER AERODYNAMICS, STRUCTURES AND SYSTEMS:

Category	Questions	Essay Questions	Time Allowed
Category A	100 multi-choice	0 essay	125 minutes
Category B1	128 multi-choice	0 essay	160 minutes

2.13. MODULE 13 — AIRCRAFT AERODYNAMICS, STRUCTURES AND SYSTEMS

Category	Questions	Essay Questions	Time Allowed
Category B2	180 multiple-choice	0 essay	225 minutes

2.14. MODULE 14 — PROPULSION

Category	Questions	Essay Questions	Time Allowed
Category B2 and B2L	24 multiple-choice	0 essay	30 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	Questions	Essay Questions	Time Allowed
Category A	60 multi-choice	0 essay	75 minutes
Category B1	92 multi-choice	0 essay	115 minutes

2.16. MODULE 16 — PISTON ENGINE

Category	Questions	Time Allowed
Category A	52 multi-choice	65 minutes
Category B1	72 multi-choice	90 minutes
Category B3	68 multi-choice	85 minutes

2.17. MODULE 17A — PROPELLER

Category	Questions	Essay Questions	Time Allowed
Category A	20 multi-choice	0 essay	25 minutes
Category B1	32 multi-choice	0 essay	40 minutes

2.17. MODULE 17B — PROPELLER

Category	Questions	Essay Questions	Time Allowed
Category B3	28 multi-choice	0 essay	35 minutes

Our

License Categories

Aircraft Maintenance Engineer Licence with various categories and sub categories

Advantages of Having Part 147 Training Certification

Basic examination standard (except for category L licence)

Part 66 Examination Questions and Duration

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