Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 145 : Aircraft Maintenance OrganisationsSubpart 1 : General145.01.2 Requirement for approval |
| (1) | No organisation shall perform maintenance on or release to service— |
| (a) | an aircraft used or intended to be used for flight operations; or |
| (b) | an aircraft component fitted or intended to be fitted to the aircraft, except under the authority of, and in accordance with the provisions of, an AMO approval with the appropriate rating issued under this Part. |
| (2) | No organisation other than the holder of an AMO approval with the appropriate rating issued under this Part, shall carry out— |
| (a) | the overhaul of an aircraft component; |
| (b) | maintenance on an aircraft or aircraft component where the relevant airworthiness data require the use of jig which is— |
| (i) | approved or certified by the manufacturer; or |
| (ii) | approved by the Director; |
| (c) | maintenance on an aircraft component where the maintenance involves the disturbance of any part of the component which is supplied as a bench tested unit, except where— |
| (i) | the disturbance is for the replacement or adjustment of a part or parts normally replaceable or adjustable in service; and |
| (ii) | subsequent functioning of the part or parts disturbed can be proved without the use of test apparatus which is additional to the test apparatus used for normal functioning checks; |
| (d) | maintenance on an aircraft engine where the maintenance involves— |
| (i) | dismantling and assembly of a piston engine except where this is to obtain access to the piston or cylinder assembly; |
| (ii) | dismantling and assembly of any main casing or main rotating assembly of a turbine engine, except where this is for replacement of a main casing or rotating assembly, whether comprising the whole or part of a rotating system, and the maintenance manual for the engine provides instruction for the replacement, and the removal from the engine is achieved solely by disconnecting the flanges of main casings; or |
| (iii) | disturbance of reduction gear; |
| (e) | aircraft propeller balancing other than in situ dynamic propeller balancing in accordance with the aircraft manufacturer's instructions; and |
| (f) | maintenance on a rotorcraft where the maintenance involves the dismantling of any transmission gearbox, except where this is for the separation of casing to obtain access for the purpose of internal inspection in accordance with the rotorcraft manufacturer's instructions. |
| (3) | No organisation shall release to service an aircraft or aircraft component which has undergone the maintenance referred to in subregulation (2), except under the authority of, and in accordance with the provisions of, an AMO approval with the appropriate rating issued under this Part. |
| (4) | The provisions of subregulations (2) and (3) shall not apply in respect of any amateur-built aircraft, microlight aeroplane, gyroplane, airship, glider or free balloon, unless it is used in commercial operations. |