1.In order to ensure the uniform implementation of, and compliance with, the essential requirements referred to in Article 20 in respect of pilots who are involved in the operation of aircraft referred to in point (b) of Article 2(1), other than unmanned aircraft, the Commission shall, on the basis of the principles set out in Article 4 and with a view to achieving the objectives set out in Article 1, adopt implementing acts laying down detailed provisions concerning:
(a)the different categories of pilot licences and pilot medical certificates referred to in Article 21, as well as the different ratings for such pilot licences adequate for the different types of activities performed;
(b)the privileges and responsibilities of the holders of pilot licences, ratings and pilot medical certificates;
(c)the rules and procedures for issuing, maintaining, amending, limiting, suspending or revoking pilot licences, ratings and pilot medical certificates, including:
the rules and procedures for situations in which such licences, ratings and medical certificates are not to be required;
the rules and procedures for the conversion of national pilot licences and national pilot medical certificates into the pilot licences and pilot medical certificates referred to in Article 21(1);
the rules and procedures for the conversion of national flight engineer licences into the pilot licences referred to in Article 21(1);
the rules and procedures for the recognition of training and experience on aircraft not subject to this Regulation for the purposes of obtaining pilot licences referred to in Article 21(1).
Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 127(3).
When adopting those implementing acts, the Commission shall ensure compliance with the essential requirements referred to in Article 20 of this Regulation and shall take due account of the international standards and recommended practices, in particular those set out in Annex 1 to the Chicago Convention.
Those implementing acts shall include, where appropriate, provisions for the issuance of all types of pilot licenses and ratings required under Annex 1 to the Chicago Convention. Those implementing acts may also include provisions for the issuance of other types of pilot licences and ratings.
2.In order to ensure the uniform implementation of, and compliance with, the essential requirements referred to in Article 20 in respect of cabin crew who are involved in the operation of aircraft referred to in point (b) of Article 2(1), other than unmanned aircraft, the Commission shall, on the basis of the principles set out in Article 4 and with a view to achieving the objectives set out in Article 1, adopt implementing acts laying down detailed provisions concerning:
(a)the rules and procedures for issuing, maintaining, amending, limiting, suspending or revoking cabin crew attestations and for the situations in which such attestations are to be required for cabin crew involved in operations other than commercial air transport;
(b)the rules and procedures for the medical fitness assessment of cabin crew referred to in Article 22;
(c)the privileges and responsibilities of the holders of cabin crew attestations referred to in Article 22.
Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 127(3).