9 Scientific, optical, weighing, measuring and checking and supervision apparatus and instruments, namely, electrical and/or electronic brake controllers, suspension damper and stabilization control electronics, electronic landing gear controls, fire extinguishers, solenoid valves, solenoid assemblies, servomechanisms in the nature of controlled volume electrical pumps, test beds for these servomechanisms, and micro-processor based electronic controllers for aircraft engines; electrical and electronic apparatus and instruments, namely, potential calculators, calculators for digital regulation of speed and fuel flow and full authority digital engine controls (FADEC), braking, temperature, pressure, vibration analysis and flight control calculators; electrical, electronic and magnetic sensors for pressure, speed, displacement, temperature, position, vibration; electronic cards for processing parameters; electronic systems and equipment, whether on board or not, for acquiring and processing data, namely, data processing equipment; calculation and operating software for simulation, running and storage of test programs; monitoring systems comprised of computer hardware and software for evaluation of security and performance as well as of maintenance and servicing requirements for aircraft engines and/or their modules and parts; electrical and electronic devices and equipment for maintenance and monitoring, whether on board or not, of aircraft or engines, fixed on test benches or portable for ground interventions, in the nature of data processing equipment for reading and interpreting data from computers and sensors; data processing equipment and computers; apparatus for recording, transmission, reproduction of sound, images and/or data; software, namely, computer programs and software for collecting and providing information on aircraft engines, operation, maintenance, servicing and repair in relation to aircraft engines and/or their modules and parts; software for operation management and repair, overhaul, servicing, maintenance and reconditioning operations conducted on an aircraft engine and/or on its modules and parts; magnetic, optical and digital recording media, namely, blank video discs; prerecorded video discs featuring the operation management and repair procedures for aircraft engines and/or their modules and parts; prerecorded CD-ROMs featuring aircraft flights data; prerecorded DVDs featuring aircraft flight data; electronic data banks recorded on computer media, CD-ROM, DVDs, containing information concerning aircraft engines, their operation, the repair, overhaul, servicing, maintenance and reconditioning of engines, modules and parts of aircraft engines; test benches for motors, engines, turbines and other thrusters for testing electronic equipment and avionic equipment; all these goods used and intended for the aeronautical and space field