EASA Exam Details in India

The EASA Part 66 Licence

The Part 66 licence is required for engineers to obtain ‘approvals’ to work on aircraft.  These approvals are issued by companies who are themselves approved by the CAA (EASA Part 145) usually after ‘type training’.  The approved engineer can sign off work on the aircraft within his/her licence authority.

So for anyone who aspires to work on civil aircraft as a maintenance engineer the Part 66 is a must.  This means passing all the modules that go to make up that particular licence.

The licence categories are:

Category A Line mechanic (airframes and engines).
Category B1 Licensed engineer (mechanical, airframes and engines).
Category B2 Licensed engineer (avionics).
Category B3 Licensed engineer (piston engined aircraft of mass 2000kg and below).
Category C Licensed engineer (base maintenance).

Category A

Issued after passing the appropriate modules and obtaining the appropriate experience.  The person is allowed to sign for certain designated tasks only.

Not recommended as a ‘stepping stone’ to the B1 licence as all the module examinations will have to be taken again – to the higher level.

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

Experience requirements can vary but would be a maximum of 3 years maintenance experience on operating aircraft (certified in a record of experience log book).

Category B

The licence is issued after passing all the appropriate modules and obtaining the appropriate experience. Allows the engineer to sign the Certificate of Release to Service for the aircraft in the category for which he/she is licensed.

Experience required (gained within the 10 years preceding application):

B1.1 Turbine Engined Aeroplanes 5 years maximum
B1.2 Piston Engined Aeroplanes 3 years maximum
B1.3 Turbine Engined Helicopters 5 years maximum
B1.4 Piston Engined Helicopters 3 years maximum
B2 Avionic 5 years maximum
B3 Aircraft below 2,000kg mass 3 years maximum

At least 1 year of the experience shall be recent experience gained on aircraft type for which application is to be made.

Experience requirements stated above are based on no previous qualifying technical training or approved courses passed. If you have technical qualifications and/or passed an approved course then you may be eligible for a reduced experience requirement . The experience requirement is based on appropriate maintenance engineering on operating aircraft.

Category C

Requires 3 years experience as a B1.1, B1.3, or B2 engineer or 5 years as a B1.2 or B1.4 engineer.

Experience Requirements

There are no experience requirements to be allowed to sit the examinations, they apply only when licence application is made. As the individual module examination passes have a life of 10 years it is important that all the exams for a particular licence are passed within 10 years of passing the first module.

All the above experience requirements must include one year’s recent experience and that experience must include equipment for which application is made. In other words if you are applying for the B1.1 licence mechanical jet engined aircraft the one year recent experience must be on this type of aircraft – not on helicopters for example.

The experience must include a representative cross section of tasks on operating aircraft* and should include, for the mechanical person, some experience on instrument, electrical and avionic systems. Experience in maintenance bays (engine bays, instruments bays, tyre bays etc) is not considered appropriate.

* The term ‘operating aircraft’ means that the aircraft must be a flying aircraft and the servicing could include ramp/first line servicing and/or hangar maintenance.

The term ‘operating aircraft’ does not include work on gliders and UAVs (Unmanned Aerial Vehicles).

The EASA Modules

The syllabus for these is published in the EASA Part 66.

Note that for licences A, B1, B2 and B3 the level of some module examinations is different.

Note that, in the following table, shortened titles are used to save space.

A B1 B2 B3
1 Mathematics
2 Science
3 Electrics
4 Electronic
5 Digital techniques
6 Hardware
7A Maintenance practices
7B Maintenance practices
8 Aerodynamics
9A Human factors
9B Human factors
10 Air law
11A Airframes (jet) A1 B1.1
11B Airframes (piston) A2 B1.2
11C Airframes (piston)
12 Helicopters A3, A4 B1.3, B1.4
13 Avionics
14 Engine instruments
15 Jet engines A1, A3 B1.1, B1.3
16 Piston engines A2, A4 B1.2, B1.4
17A Propellers A1, A2 B1.1, B1.2
17B Propellers

Modules Required

For Category A licence – modules 1 to 6 except module 4, plus modules 7A, 8, 9A and 10 plus:

A1 11A, 15 & 17A
A2 11B, 16 & 17A
A3 12 & 15
A4 12 & 16

For Category B licence – modules 1 to 6, plus:

B1.1 7A, 8, 9A, 10, 11A, 15 & 17A
B1.2 7A, 8, 9A, 10, 11B, 16 & 17A
B1.3 7A, 8, 9A, 10, 12 & 15
B1.4 7A, 8, 9A, 10, 12 & 16
B2 7A, 8, 9A, 10, 13 & 14
B3 7B, 8, 9B, 10, 11C, 16 & 17B


  1. The first 10 modules are common (except for module 4 for the category A person). However, the exact content of each exam for a particular module will vary depending on what licence the engineer is aiming for. This means that for the A person, parts of some modules are not examined on at all and other areas are taken at a lower level than the B level. For the B person (in very general terms) the differences in the level of difficulty in those modules where there are differences are:
    1 B
    2 B1
    3 B1/B2
    4 B2
    5 B2
    6 B1
    7A B1 but B2 for item 7.7
    8 B1/B2
    9A B1/B2
    10 B1/B2/B3

    The above is not significant (assuming you take the examination to the correct level for the licence you are aiming for), unless you intend taking another licence after you have obtained the present one. For example: If you are going for the B1 and intend taking the B2 at a later date then it would be prudent to take modules 4 and 5 as a B2 examination (the higher level). If you are presently going for the B2 and plan to eventually go for the B1 then it would be wise to take modules 2, 6 and 7 at the B1 level. The levels of modules 1, 3, 8, 9A and 10 are the same for both B1 and B2 Easa examinations.

  2. Some of our modules (6 and 7A for example) we have managed to split into B1 and B2. When ordering ensure that you order the correct module.
  3. For those modules we have not split into B1/B2, then they have been written to the higher level in each case.
  4. The CAA examination consists of a multi-choice paper for each module and an essay paper for modules 7 & 9.
  5. For CAA examination purposes the modules can be taken in any order (including the essay papers), though there are too many to be taken all in one day. Unless you have a long way to travel it would be better to take the bigger modules one at a time and the smaller ones either singly or in twos or threes.
  6. It is generally considered better to take the essay exam for module 7 when doing the multi choice paper for module 7, with the same principle applying for the essay papers for modules 9 and 10. Remember, in all cases there is an exam fee payable for both the essay paper and the multi choice paper. (If the essay questions are all taken together then there is one fee payable.)
  7. Suggested sequence for taking the modules. Take 1 to 5 in order. Take 6 and 7 together at any time. Take 8, 9 and 10 at any time in any order. Take the ‘trade’ modules last (11 to 17).
  8. There are almost no exemptions allowed against any of the module examinations. Certain degrees will attract exemptions to some modules – for details contact the CAA.

Remember. The modules, once passed, have a life of 10 years so if you do not complete all the modules in 10 years you will start to loose the first modules passed.

Applicants must be at least 18 years of age.


Vikas Kumar- 08587990927

Email- Tevtiya.vikas@gmail.com

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