9 Surveying apparatus and instruments being for use in the field of helicopters and rotorcraft; photographic apparatus and instruments being for use in the field of helicopters and rotorcraft, namely, cameras; cinematographic apparatus and instruments being for use in the field of helicopters and rotorcraft; weighing apparatus and instruments being for use in the field of helicopters and rotorcraft; teaching apparatus and instruments being for use in the field of helicopters and rotorcraft, namely, flight simulators; Apparatus for recording, transmission or reproduction of sound, images or data, all being for use in the field of helicopters and rotorcraft; Flight control apparatus for the piloting of helicopters and rotorcraft, namely, computer hardware and data processing apparatus for the piloting of helicopters and rotorcraft; Electronic controllers for the piloting of helicopters and rotorcraft; Fly-by-wire flight control systems for helicopters and rotorcraft comprised of computer hardware, electric sensors for collecting flight data and avionic navigation devices; Flight control systems for helicopters and rotorcraft comprised of optical fibres; Flight control systems for the piloting and autopiloting of helicopters and rotorcraft, comprising flight control computer hardware, electric wires or optical fibre cables, sensors for collecting flight data, calculating machines, data processing equipment and computers, and flight data software for collecting, managing, storing and analyzing flight data; Electronic display interfaces for the cockpits of helicopters and rotorcraft, namely, flight deck consisting of flight control apparatus and a flight instrument panel comprising visual display LCD or LED panels driven by flight management systems comprised of computer hardware and software for managing flight data and which displays adjustable information for piloting and navigation and for the checking and monitoring of flight parameters, components and on-board equipment; Head-up displays for use in helicopters and rotorcraft, namely, transparent electronic display interfaces for providing pilot and co-pilot with navigational and operational information; Flight instruments providing the pilot with information about the flight situation of the helicopter or rotorcraft comprising computers, computer hardware and sensors for collecting flight data; Automatic pilots for use in helicopters and rotorcraft comprising computers, computer hardware and computer software for automated piloting of helicopters and rotorcraft; Apparatus for checking helicopter and rotorcraft flight parameters; Electronic navigational apparatus and instruments for helicopters and rotorcraft; Avionic equipment, namely, control, monitoring, communication, navigation, weather, and anti-collision systems for helicopters and rotorcraft comprised of electronic controllers for piloting aircraft, computer hardware and software for monitoring flight data, satellite telephones, radios, navigation devices, weather sensors and radios and electronic proximity sensors and alarms for avoiding collisions; Accelerometers, altimeters, radar altimeters, ammeters, anemometers, barometers, flowmeters, frequency meters, manometers being pressure gauges, tachometers being revolution counters, thermometers, torque meters, velocimeters, vibration meters, voltimeters, range finders, fuel gauges, all being for use in helicopters and rotorcraft; Engine oil pressure and temperature indicators, Fuel pressure and temperature indicators, attitude indicators featuring artificial horizons, airspeed indicators, course deviation indicators, first limit indicators (FLI) for monitoring engines and displaying the available power in all situations, heading indicators being directional indicators, horizontal situation indicators (HSI), radio magnetic indicators (RMI), turn indicators, and vertical speed indicators being variometers, all being for use in helicopters and rotorcraft; Inertial measurement devices for use in helicopters and rotorcraft; Gyroscopes, rate gyroscopes and gyrolasers for use in helicopters and rotorcraft; Compasses, gyrocompasses, magnetic compasses and radio compasses being automatic direction finders for use in helicopters and rotorcraft; Electronic visual omni range (VOR) receivers for use in helicopters and rotorcraft; Global position system (GPS) apparatus for use in helicopters and rotorcraft; Ground proximity warning systems (GPWS), enhanced ground-proximity warning systems (EGPWS), and terrain awareness and warning systems (TAWS) for use in helicopters and rotorcraft, all comprised of computer hardware, proximity sensors and alarms; acceleration sensors for use in helicopters and rotorcraft; air temperature sensors for use in helicopters and rotorcraft; alarm sensors for use in helicopters and rotorcraft; distance sensors for use in helicopters and rotorcraft; electrical sensors for use in helicopters and rotorcraft; electro-optical sensors for use in helicopters and rotorcraft; fire sensors for use in helicopters and rotorcraft; fluid level sensors for use in helicopters and rotorcraft; frost sensors for use in helicopters and rotorcraft; gas sensors for use in helicopters and rotorcraft; heat sensors for use in helicopters and rotorcraft; humidity sensors for use in helicopters and rotorcraft; impact sensors for use in helicopters and rotorcraft; infrared sensors for use in helicopters and rotorcraft; level sensors for use in helicopters and rotorcraft; load sensors for use in helicopters and rotorcraft; light sensors for use in helicopters and rotorcraft; magnetic sensors for use in helicopters and rotorcraft; movement sensors for use in helicopters and rotorcraft; noise sensors for use in helicopters and rotorcraft; optical sensors for use in helicopters and rotorcraft; piezoelectric sensors for use in helicopters and rotorcraft; position sensors for use in helicopters and rotorcraft; pressure sensors for use in helicopters and rotorcraft; proximity sensors for use in helicopters and rotorcraft; smoke sensors for use in helicopters and rotorcraft; speed sensors for use in helicopters and rotorcraft; temperature sensors for use in helicopters and rotorcraft; torque sensors for use in helicopters and rotorcraft; vibration sensors for use in helicopters and rotorcraft; sensors for detecting actual and projected faults for use in helicopters and rotorcraft; Detectors for use in helicopters and rotorcraft, namely, carbon dioxide and monoxide detectors, fire detectors, heat detectors, leak detectors, immersion detectors, motion detectors, particle detectors, proximity detectors, radar detectors, rotor speed detectors, vibration detectors; Transducers for use in helicopters and rotorcraft, namely, resonant transducers, magnetostrictive transducers, piezoelectrical transducers, electrostatic transducers, variableresistance transducers, electro-optic transducers, electroacoustic transducers, force transducers, high frequency transducers, linear transducers, measuring transducers, pressure transducers, torque transducers, ultrasonic transducers; Electric power supply units for helicopters and rotorcraft; Electric accumulators for helicopters and rotorcraft; Electric valve actuators for use in helicopters and rotorcraft; Voltage regulators for helicopters and rotorcraft; Commutators for use in helicopters and rotorcraft; Electrical inverters for use in helicopters and rotorcraft; Electric switches for use in helicopters and rotorcraft; Pressure switches for use in helicopters and rotorcraft; Electric actuators for use in helicopters and rotorcraft; Fuel flow regulators for use in helicopters and rotorcraft; Time clocks, namely, time recording devices for use in helicopters and rotorcraft; Calculators, first limit calculators, obstacle avoidance calculators, navigation calculators, all being for use in the field of helicopters and rotorcraft; calculators for assessing health conditions, damages and service life of helicopters and rotorcraft; Data processing apparatus, data processors, computers, computer hardware, and computer peripherals, all being for use in the field of helicopters and rotorcraft; Printed circuit boards for use in helicopters and rotorcraft; Data processing equipment, namely, couplers for helicopters and rotorcraft; On-board computers for helicopters and rotorcraft; Air data computers for use in helicopters and rotorcraft; Symbol generators, namely, display processing computers for use in helicopters and rotorcraft; Computer monitors, visual display screens, flat panel display screens, touch screens, and multi-function LED and LCD screens, all being for use in the field of helicopters and rotorcraft; Airborne data acquisition instruments for use in helicopters and rotorcraft comprising computers, computer hardware and data processing equipment; Flight data recorders for use in helicopters and rotorcraft; Digital voice recorders for use in helicopters and rotorcraft; Electronic devices, namely, decoders, encoders, signal scramblers and descramblers, electronic encryption and decryption units, all being for use in the field of helicopters and rotorcraft; Transponders for use in the field of helicopters and rotorcraft; Electronic transmitters for use in the field of helicopters and rotorcraft; Transceivers for use in the field of helicopters and rotorcraft; Radio transmitters, radio receivers and radio signal tuners for use in the field of helicopters and rotorcraft; Antennas, aerials, and satellite dishes, modems, telephone apparatus, and telephone receivers for use in the field of helicopters and rotorcraft; Amplifiers for use in the field of helicopters and rotorcraft; Headphones, microphones, loudspeakers, for use in the field of helicopters and rotorcraft; Cameras, video cameras, and infrared cameras for use in helicopters and rotorcraft; Electronic card readers for use in the field of helicopters and rotorcraft; Radars for use in helicopters and rotorcraft; alarm installations, alarms, electric warning systems for use in helicopters and rotorcraft; Emergency locator transmitters for helicopters and rotorcraft; Computer software for helicopter and rotorcraft flight control; Computer software for helicopter and rotorcraft navigation and piloting assistance; Computer software for managing and recording helicopter and rotorcraft flight data; Computer software for the design, manufacture, testing, maintenance and repair of helicopters and rotorcraft and equipment and components of helicopters and rotorcraft; Data acquisition and processing software for the design, manufacture, piloting, flight, guidance, navigation, surveillance, safety, maintenance and repair of helicopters and rotorcraft; Computer software to assist in regulating parameters of devices used for designing, manufacturing, piloting, guiding, flying, navigating, surveying, maintaining and repairing helicopters and rotorcraft; Computer software to assist in troubleshooting faults, damages, mechanical failures and the replacement of time-expired parts for helicopters and rotorcraft; Computer software for indicating failures and faults in helicopters and rotorcraft and proposing reparative actions for the aforesaid failures and faults; Digital cartography computer software for use in the field of helicopters and rotorcraft; Computer software for preparing helicopter and rotorcraft flight plans; Mission planning computer software for helicopters and rotorcraft; Helicopter and rotorcraft flight report presentation computer software; Computer software to track and locate helicopters and rotorcraft; Computer software for the identification and authentication of persons for use in the field of helicopters and rotorcraft; Computer software for the encoding, decoding, encryption, decryption of data, for use in the field of helicopters and rotorcraft; Synthetic Vision Systems (SVS) and Enhanced Vision Systems (EVS), namely, computer hardware and software systems for displaying a realistic 3D depiction of the outside world and adding real-time information collected from sensors installed on helicopters and rotorcraft, in order to assist in piloting and navigating helicopters and rotorcraft by improving pilot's situational awareness; Daytime/nighttime vision goggles for use in helicopters and rotorcraft; Maintenance kits for helicopters and rotorcraft comprised primarily of computer hardware and software, sensors, electric cables and wires, for measuring and analyzing vibrations of main and tail rotors, transmission shaft and other dynamic components, and providing computerized adjustments of flight parameters; Electronic test benches for testing aircraft cockpit electronics in helicopters and rotorcraft; Electronic testing apparatus for testing aircraft cockpit electronics in helicopters and rotorcraft; Flight simulators for helicopters and rotorcraft; Helicopter and rotorcraft flight simulation software; Helicopter and rotorcraft flight and maintenance manuals in electronic format that are recorded on computer media or downloadable; Electronic publications, namely, electronic books, manuals, magazines, periodicals, journals, catalogs, brochures, newsletters, and service bulletins relating to helicopters and rotorcraft that are recorded on computer media or downloadable; Video game software; Fire extinguishers for use in helicopters and rotorcraft; Computer joysticks for piloting helicopters and rotorcraft