37
Repair, maintenance, servicing, reconditioning of engines, nacelles, reversers and ejection units for aircraft, repair and reconditioning (restoring) of components of all kinds made from high thermal resistance composite materials; repair of electric and electronic apparatus, instruments, systems, devices and equipment used in aircraft engines and in the aeronautical field; repair, servicing and maintenance for aircraft engines, and parts and fittings therefor; on-wing repair, servicing and maintenance for all types of engines used on aircraft and constituent parts and fittings therefor; standardisation, overhauling and replacement of engines used in aircraft and component parts therefor; twenty-four hour, seven-day online assistance relating to the repair, reconditioning, overhauling, servicing, maintenance and replacement of aircraft engines and component parts therefor
40
Treatment of materials; heat treatments for metals and metal alloys; air purification, applying finishes to textiles, textile treating, activation of fibres, textiles and textures, protective physicochemical operations or treatments to prevent the oxidation or corrosion of composite materials
42
Scientific and industrial research in the aeronautical field; Engineering relating to evaluating, assessing and researching the technologies used in aircraft engines; technical consultancy relating to the methodologies to be used in the commercial management and replacement of engines used in aircraft and in the space sector; technical advice concerning the methodology to be used for the repair, servicing, maintenance, standardisation of aircraft engines; technical assistance relating to the methodologies to be used in the field of repair, overhaul, servicing, standardisation and maintenance of engines used in aircraft and in the space sector; testing of machines; material testing; analysis, surveying and processing of the acquisition of data recorded in the course of test runs on aircraft engines; computer software design and computer programming