20
Aircraft furnishing, namely furniture, mirrors, frames made of plastic, wood, leather and metal
35
Placement of flying personnel, technical ground personnel and non-technical ground personnel; business consultation regarding aircraft purchases and sales; business management and consultation in the field of aviation; technical business management assistance and planning of aircraft maintenance programs and aircraft utilization programs.
36
Conducting financial aircraft analyses; financial analyses; financial consultation, financing, insurance consultation.
37
Overhaul and maintenance of aircraft and their parts, aircraft repair and maintenance, namely performed by airplane technicians, flight engineers and on-board technicians; remodeling of aircraft and their parts; removal and remodeling of aircraft cabins; repair and maintenance of electronic and optical devices, engines, motors and driving units consisting of machine parts of aircraft for others; development of maintenance and overhaul programs for aircraft and their parts
39
Storage and transportation by air, rail, sea and road of material which is used for servicing, maintenance, repair as well as for remodeling and modernization of aircraft; towing services for aircraft; leasing of aircraft and their parts, leasing of aircraft engines, components or parts thereof.
41
Training in the use of equipment on aircraft, equipment for aircraft ground handlers and equipment for aircrafting for engineers and mechanics and further operational training of outside and in-house flying and ground personnel; gathering and distribution of news.
42
Technical consultation in the field of aviation; aircraft inspections, namely performed by airplane technicians, flight engineers and on-board technicians; expert witness services in the field of aviation for others; services of interior decorators; gathering and distribution of information about technical innovations regarding aircraft or their parts on databases