Manufacture and assembling of pieces and accessories of aerian vehicles: fuselage, wings, doors, tail units, rudders, landing gears, fuel tanks, pods, etc.
Manufacture and assembling of pieces and accessories of aerian vehicles: engines usually used for the propulsion of aerian vehicles, and pieces of turboreactors and propulsors
Production of other types of machines, devices and tools for specific purposes
Production of air and spacecraft and similar devices
Repair and maintenance of ships
Other types of technical and scientific activities