Privileges attaching to licence

The categories of certification and duties of certification in respect of which licences may be granted shall be as follows– (a) Category A (applicable to aircraft, excluding engines)– (i) certification as to fitness for flight of an aircraft for which a certificate of airworthiness is about to be issued; (ii) certification of work done under approved maintenance schedules; (iii) certification of repairs approved as minor repairs; (iv) certification of modifications approved as minor modifications; (v) of of approved components and parts. (b) Category B (applicable to aircraft, excluding engines)106 Civil Aviation (i) certification of aircraft after overhaul, including the engine installation, except that the overhaul, repair or modification of the instruments, automatic pilots, variable-pitch propellers or electrical equipment shall have been previously certified by a firm approved for the purpose or by an aircraft maintenance engineer licensed for the purpose in Category X; (ii) certification of approved repairs; (iii) certification of approved modifications; (iv) certification of the replacement of approved components and parts; (v) certification of the construction of components and parts and the materials used therefor, unless it is stated in the licence that this duty is excluded. (c) Category C (applicable to engines)– (i) certification as to fitness for flight of the engines in an aircraft for which a certificate of airworthiness is about to be issued; (ii) certification of work done under approved maintenance schedules; (iii) certification of the embodiment of and the replacement of approved components and parts, Civil Aviation 107 provided that the work has not involved dismantling the engine other than to obtain access to the pistons, cylinders and valve- operating gear. (d) Category D (applicable to engines only)– (i) certification of engines after overhaul, except that the overhaul, repair or modification of magnetos and other ignition equipment shall have been previously certified by a firm approved for the purpose or by an aircraft maintenance engineer licensed for the purpose in Category X. (ii) certification of approved repairs; (iii) certification of approved modifications; (iv) certification of the replacement of approved components and parts; (v) certification of the construction of components and parts and the materials used therefor, unless it is stated in the licence that this duty is excluded. (e) Category X– (i) certification of the installation and the compensation of compasses; (ii) or to magnetos and other ignition equipment; (iii) certification of overhauls, repairs, modifications or replacements to and installation of108 Civil Aviation (A) variable-pitch propellers; (B) aircraft instruments and engine (C) electrical equipment; (D) automatic pilots. books.