1. Knowledge levels for category A, B1, B2, B2L, B3 and C aircraft maintenance licences

• Regulation (EU) 2018/1142 found in: Continuing Airworthiness (No 1321/2014) Part-M Part-145 Part-66 Part-147 Part-T Part-ML Part-CAMO Part-CAO (Jul 2024)

1. Knowledge levels for Category A, B1, B2, B2L, B3 and C aircraft maintenance licences Regulation (EU) 2018/1142 Basic knowledge for categories A, B1, B2, B2L and B3 is indicated by knowledge levels (1, 2 or 3) of each applicable subject. Category C applicants shall meet either the category B1 or the category B2 basic knowledge levels. The knowledge level indicators are defined on 3 levels as follows: - LEVEL 1: A familiarisation with the principal elements of the subject. Objectives: (a) The applicant should be familiar with the basic elements of the subject. (b) The applicant should be able to give a simple description of the whole subject, using common words and examples. (c) The applicant should be able to use typical terms. - LEVEL 2: A general knowledge of the theoretical and practical aspects of the subject and an ability to apply that knowledge. Objectives: (a) The applicant should be able to understand the theoretical fundamentals of the subject. (b) The applicant should be able to give a general description of the subject using, as appropriate, typical examples. (c) The applicant should be able to use mathematical formulae in conjunction with physical laws describing the subject. (d) The applicant should be able to read and understand sketches, drawings and schematics describing the subject. (e) The applicant should be able to apply his knowledge in a practical manner using detailed procedures. - LEVEL 3: A detailed knowledge of the theoretical and practical aspects of the subject and a capacity to combine and apply the separate elements of knowledge in a logical and comprehensive manner. Objectives: (a) The applicant should know the theory of the subject and interrelationships with other subjects. (b) The applicant should be able to give a detailed description of the subject using theoretical fundamentals and specific examples. (c) The applicant should understand and be able to use mathematical formulae related to the subject. (d) The applicant should be able to read, understand and prepare sketches, simple drawings and schematics describing the subject. (e) The applicant should be able to apply his knowledge in a practical manner using manufacturer's instructions. (f) The applicant should be able to interpret results from various sources and measurements and apply corrective action where appropriate.