Engines other than for land vehicles, namely, engines for aircraft, air turbines, jet engines, turbojet engines, turbo-prop engines, turbochargers for aircraft engines, engines for training aircraft, engines for missiles, and engines for helicopters; transmission and propulsion couplings for aircraft engines; solar-powered electricity generators; fuel-powered electricity generators; pumping and compression groups, namely, pump units providing gas under pressure for engines used in the aeronautical field; pump feed motors, compressors for electricity generators and auxiliary power units for aircraft; cogeneration plants, namely, auxiliary power units for supplying electrical power to heat and power generators

Apparatus for locomotion by land, air or water, namely, helicopters, aircraft, and land vehicles; engines for land vehicles

Technical assistance in the nature of repair, revision, maintenance servicing and maintenance for all engines used on aircraft, helicopters and in the railway and naval fields, and constituent parts and fittings therefor; overhauling and replacement installation of engines and engines units and accessories used on aircrafts, helicopters, auxiliary power groups in the industrial, railway and naval fields; 24-hours a day, 7-days a week assistance service in the repair, revision, reconditioning, maintenance and standard replacement installation of engines and engine units; repair, revision, servicing and maintenance in situ for aircraft engines and constituent parts and fittings therefor

Study of technical projects, namely, technical consultation in the field of aeronautic engineering; flight tests for aircraft, helicopters, and missiles; engine tests, namely, providing services intended to test the correct operation and reliability of these goods; product research and development in the field of aircraft and helicopter engines, and in the field of auxiliary power groups in the industrial, railway locomotive, railway train and naval fields; engineering services