Article 28 1.

As regards pilots and cabin crew involved in the operation of aircraft referred to in point (b) of Article 2(1), other than unmanned aircraft, as well as flight simulation training devices, persons and organisations involved in the training, testing, checking or medical assessment of those pilots and cabin crew, the Commission is empowered to adopt delegated acts, in accordance with Article 128, to amend Annex IV, where necessary for reasons of technical, operational or scientific developments or safety evidence related to aircrew, in order and to the extent required to achieve the objectives set out in Article 1.