35
Business management services; business administration; technical management of aeroplanes and/or aeroplane fleets; recruitment of flight personnel, technical ground personnel and non-technical ground personnel; technical and organisation consultancy in the field of air travel
37
Maintenance of aeroplanes and their parts, servicing and upgrading of aeroplanes and their parts, repair of aeroplanes and their parts, conversion of aeroplanes and their parts, modernisation of aeroplanes and their parts; construction and modification of fittings for aeroplane cabins; repair and maintenance of electronic and optical apparatus, propulsion mechanisms, motors and engines and drive units for air vehicles containing machine parts, for others
38
Telecommunications; gathering and supplying information relating to technical innovations for aeroplanes or their parts
39
Transport; packaging and storage of goods; storage and transport of materials required for the maintenance, servicing, repair, conversion and modernisation of aeroplanes
42
Engineering in the field of aviation, for others; aeroplane technician, flight engineer and flight technician services, interior design; creating and further development of computer-aided maintenance and overhaul programs for aeroplanes and parts thereof; development on non-computer-dependent maintenance programmes for aeroplanes and their parts