Import and export as well as sale, rental and refinement of vehicles and motorcycles; operation of an international air transport company, in particular passenger and cargo transport; assumption of maintenance work and purchase/sale, leasing as well as rental/intermediation and chartering of aircraft, aircraft equipment and their spare parts; trade in goods of all kinds; participations; acquisition, encumbrance, disposal and management of real estate; financing and provision of guarantees and sureties for subsidiaries and third parties.