(12)[ The holders of various categories of Aircraft Maintenance Engineer's Licenses shall have the following privileges, namely:-(i)Category A licence holder to issue certificates for release to service after minor scheduled line maintenance and simple defect rectification within the limits of maintenance tasks specifically endorsed on the authorisation issued by a maintenance organization approved under rule 133B for the broad category of aircraft endorsed on the licence and the certification privileges shall be restricted to the work carried out by the licence holder himself in the maintenance organization that issues the authorisation.(ii)Category B1 licence holder to issue certificates for release to service and act as support staff following the maintenance performed on aircraft structure, power-plant, mechanical and electrical systems, work on avionics system requiring simple tests to prove their serviceability and not requiring trouble shooting, in respect of an aircraft type endorsed on the licence.Explanation. - (a) Category B1 shall include the appropriate sub-category of Category A;(b)Microlight, light sport aircraft, glider, balloon or an airship shall be certified by an aircraft maintenance engineer holding a licence in Category A or Category B1 or Category B3 or an authorised person subject to meeting the requirements as specified by the Director-General.(iii)Category B2 licence holder to issue - (a) certificates of release to service after maintenance on avionic and electrical systems, avionics and electrical system within engine and mechanical systems requiring only simple tests to prove their serviceability of aircraft type endorsed on the licence;(b)certificates of release to service after minor scheduled line maintenance and simple defect rectification within the limits of tasks specifically endorsed on the certification authorisation issued by an approved maintenance organization of aircraft type endorsed on the licence and this certification privilege shall be restricted to work that the licence holder has personally performed in the maintenance organization which issued the certification authorisation and limited to the rating already endorsed on the licence.(iv)Category B3 licence holders to issue certificates of release to service after maintenance on aeroplane structure, engine and mechanical and electrical systems, work on avionic systems requiring only simple tests to prove their serviceability and not requiring troubleshooting of 'piston-engine non-pressurised aeroplanes of 2000 kg Maximum Take-off Mass and below'.(v)Category C licence holders to issue certificates of release to service after base maintenance in respect of an aircraft of the type endorsed on the licence. The privileges apply to the aircraft in its entirety including all systems.Explanation. - Simple test means a test described in approved maintenance data and such in nature that aircraft system serviceability is verified through aircraft controls, switches, Built-in Test Equipment (BITE), Central Maintenance Computer (CMC) or external test equipment not requiring special training.] [Substituted by Notification No. G.S.R. 1001 (E) dated 22.12.2010 (w.e.f. 23.3.1937).]
