CAO.A.020 Terms of approval

• Regulation (EU) 2019/1383 found in: Continuing Airworthiness (1321/2014) Part-M Part-145 Part-66 Part-147 Part-T Part-ML Part-CAMO Part-CAO (Jul 2024)

CAO.A.020 Terms of approval Regulation (EU) 2019/1383 (a) The CAO shall specify the approved scope of work in its combined airworthiness exposition (CAE), as provided for in point [CAO.A.025](#_DxCrossRefBm1518544964). (1) For aeroplanes of more than 2 730 kg maximum take-off mass (MTOM) and for helicopters of more than 1 200 kg MTOM or certified for more than 4 occupants, the scope of work shall indicate the particular aircraft types. Changes to this scope of work shall be approved by the competent authority in accordance with point (a) of point [CAO.A.105](#_DxCrossRefBm1518546309) and point (a) of point [CAO.B.065](#_DxCrossRefBm1518546308). (2) For complete turbine engines, the scope of work shall indicate the engine manufacturer or group or series or type or the maintenance task(s). Changes to this scope of work shall be approved by the competent authority in accordance with point (a) of point [CAO.A.105](#_DxCrossRefBm1518546309) and point (a) of point [CAO.B.065](#_DxCrossRefBm1518546308). (3) A CAO which employs only one person for both planning and carrying out of all maintenance tasks cannot hold privileges for the maintenance of: (a) aeroplanes equipped with a turbine engine (in the case of aircraft-rated organisations); (b) helicopters equipped with a turbine engine or with more than one piston engine (in the case of aircraft-rated organisations); (c) complete piston engines of 450 HP and above (in the case of engine-rated organisations); and (d) complete turbine engines (in the case of engine-rated organisations). (4) For aircraft other than those mentioned in point (1), for components different from complete turbine engines and for non-destructive testing (NDT)-specialised services, the scope of work shall be controlled by the CAO in accordance with the procedure set out in point (a)(11) of point [CAO.A.025](#_DxCrossRefBm1518544964). For maintenance of components different from complete engines, the scope of work shall be classified in accordance with the following system ratings: (i) C1: air conditioning and pressurisation; (ii) C2: auto flight; (iii) C3: communications and navigation; (iv) C4: doors and hatches; (v) C5: electrical power and lights; (vi) C6: equipment; (vii) C7: engine; (viii) C8: flight controls; (ix) C9: fuel; (x) C10: helicopter and rotors; (xi) C11: helicopter transmission; (xii) C12: hydraulic power; (xiii) C13: indicating and recording system; (xiv) C14: landing gear; (xv) C15: oxygen; (xvi) C16: propellers; (xvii) C17: pneumatic and vacuum systems; (xviii) C18: protection from ice/rain/fire; (xix) C19: windows; (xx) C20: structural; (xxi) C21: water ballast; and (xxii) C22: propulsion augmentation. Organisations obtaining an approval in accordance with this Annex on the basis of an existing organisation approval issued in accordance with Subpart G or Subpart F of Annex I (Part-M) or Annex II (Part-145) in accordance with paragraph 4 of Article 4, shall include in the scope of work all the necessary details to ensure that the privileges are identical to the ones included in the existing approval. (b) The CAO approval shall be issued on the basis of the template set out in Appendix I to this Annex. (c) A CAO may fabricate, in conformity with maintenance data, a restricted range of parts for use in the course of undergoing work within its own facilities, as indicated in their CAE. #### CAO.A.020 Terms of approval *Regulation (EU) 2019/1383* (a) The CAO shall specify the approved scope of work in its combined airworthiness exposition (CAE), as provided for in point [CAO.A.025](#_DxCrossRefBm1203439851). (1) For aeroplanes of more than 2 730 kg maximum take-off mass (MTOM) and for helicopters of more than 1 200 kg MTOM or certified for more than 4 occupants, the scope of work shall indicate the particular aircraft types. Changes to this scope of work shall be approved by the competent authority in accordance with point (a) of point [CAO.A.105](#_DxCrossRefBm1203441196) and point (a) of point [CAO.B.065](#_DxCrossRefBm1203441195). (2) For complete turbine engines, the scope of work shall indicate the engine manufacturer or group or series or type or the maintenance task(s). Changes to this scope of work shall be approved by the competent authority in accordance with point (a) of point [CAO.A.105](#_DxCrossRefBm1203441196) and point (a) of point [CAO.B.065](#_DxCrossRefBm1203441195). (3) A CAO which employs only one person for both planning and carrying out of all maintenance tasks cannot hold privileges for the maintenance of: (a) aeroplanes equipped with a turbine engine (in the case of aircraft-rated organisations); (b) helicopters equipped with a turbine engine or with more than one piston engine (in the case of aircraft-rated organisations); (c) complete piston engines of 450 HP and above (in the case of engine-rated organisations); and (d) complete turbine engines (in the case of engine-rated organisations). (4) For aircraft other than those mentioned in point (1), for components different from complete turbine engines and for non-destructive testing (NDT)-specialised services, the scope of work shall be controlled by the CAO in accordance with the procedure set out in point (a)(11) of point [CAO.A.025](#_DxCrossRefBm1203439851). For maintenance of components different from complete engines, the scope of work shall be classified in accordance with the following system ratings: (i) C1: air conditioning and pressurisation; (ii) C2: auto flight; (iii) C3: communications and navigation; (iv) C4: doors and hatches; (v) C5: electrical power and lights; (vi) C6: equipment; (vii) C7: engine; (viii) C8: flight controls; (ix) C9: fuel; (x) C10: helicopter and rotors; (xi) C11: helicopter transmission; (xii) C12: hydraulic power; (xiii) C13: indicating and recording system; (xiv) C14: landing gear; (xv) C15: oxygen; (xvi) C16: propellers; (xvii) C17: pneumatic and vacuum systems; (xviii) C18: protection from ice/rain/fire; (xix) C19: windows; (xx) C20: structural; (xxi) C21: water ballast; and (xxii) C22: propulsion augmentation. Organisations obtaining an approval in accordance with this Annex on the basis of an existing organisation approval issued in accordance with Subpart G or Subpart F of Annex I (Part-M) or Annex II (Part-145) in accordance with paragraph 4 of Article 4, shall include in the scope of work all the necessary details to ensure that the privileges are identical to the ones included in the existing approval. (b) The CAO approval shall be issued on the basis of the template set out in Appendix I to this Annex. (c) A CAO may fabricate, in conformity with maintenance data, a restricted range of parts for use in the course of undergoing work within its own facilities, as indicated in their CAE.