apparatus for locomotion by air, namely, airplanes, aircraft and their structural parts; aircraft and their component parts, namely, cabin interior paneling, trim, and fittings therefor; aircraft hydraulic systems comprised of pumps, cylinders, pressure relief valves, heat exchangers, turbines, circuits, and brakes; aircraft electrical systems comprised of generators, alternators, engines; aero structures in the nature of fuselage, wings for airplanes and flight control surfaces; equipment and fitting elements for aircraft fuselages, namely, structural parts for wings, doors, flaps and fairings, airplane exterior trims and panels for drag reduction, flight control surfaces, flaps and slats, flap and slat fairings, floor panels, wing leading edges, engine nacelles, inlet cowls, fan cowls, doors, radomes, spoilers, wing tips, winglets; equipment and fitting elements for aircraft fuselages, namely, aircraft systems, namely, cargo loading systems comprised of rotatable guide elements in the nature of roller tracks, latches and ball-mats for locking cargo containers and cargo objects in loading spaces of aircrafts, cabin pressure systems comprised of air pumps for aircraft and electric, pneumatic, and electro-pneumatic outflow valves therefor, and oxygen systems comprised of oxygen masks for non-medical use for aircraft crew and passengers, and door systems comprised of door panels for airplanes

Aeroplane maintenance; airplane maintenance, repair and installation of aircraft parts; aircraft conversion and structural parts therefor; aircraft parts installation and aircraft conversion, renovation, refit and repair with respect to equipment and fittings, line fit equipment, overhauled components, processed components, equipment and parts for aircraft fuselages and aircraft cabins; servicing, repair and maintenance of engines and motors; painting of aircraft, aircraft fuselages and parts of aircraft

Air transport services; storage and transport of material for upgrading, conversion, servicing, repair, installation and maintenance of aircraft and of material for equipment and fitting for aircraft fuselages and aircraft cabins

Custom modification, fitting and conditioning, namely, contract manufacturing in the field of aircrafts; rental of manufacturing machines for assembly in custom manufacturing of aircraft; assembly of products for others; upgrading, extension and qualitative improvement of aircraft and their parts, namely, modification of aircraft

Technological services, namely, technological advisory services relating to machine engineering analysis; technological consultancy in the field of aeronautics with respect to quality management and audits relating to operations, fitting and maintenance of aircraft; inspection of aircraft; technological consultancy in the field of avionics