42 Consultation and research in the field of aerospace engineering; technical research in the field of aircraft, electronics for defence and security, aeronautics, defence systems and space technology; development of security systems and contingency planning for information systems; planning and development of electronic communications networks; design and development of electronic data security systems; development of technologies for the fabrication of circuits for wireless communication, electronic data processing, consumer electronic, automotive electronics; technology specification, namely, analyzing technology requirements and developing recommendations for the computer software and systems and other technology needed to meet those requirements, in the fields of aircraft, electronics for defence and security, aeronautics, defence systems and space technology; consulting services in the field of testing of electronic components and electronic systems; aircraft design services; design of computer programs and software relating to aircraft; development of aircraft; design and development of electronic database software; development of technologies for the protection of electronic networks; scientific and technological services and research and design relating thereto, namely, scientific research and development; industrial analysis and research services in the field of helicopters, aircraft, aerostructures, defense and security, land and navel defense systems, cybersecurity, space technology; design and development of computer hardware and software; computer programming; scientific, technological, modelling and simulation, design and consultancy related services in relation to aircraft and helicopters, armoured fighting vehicles, systems, sensors and electronics for defence and security, space technology and services, traffic management and IT products and services, namely, engineering consultation; installation, maintenance and repair services relating to electronics, namely, installation, maintenance and repair of computer software; installation, maintenance and repair services of IT products, namely, installation, maintenance and repair of computer software; installation and maintenance services in the fields of aircraft and helicopters, armored fighting vehicles, systems, sensors and electronics for defence, security and traffic management and space technology and services, namely, installation, maintenance and repair of computer software; installation and maintenance services in the field information and communications technology, namely, installation, maintenance and repair of computer software