Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, supervision, life-saving and teaching apparatus and instruments, namely, computers, computer hardware, apparatus for recording, transmission, processing and reproduction of sound, images or data, cameras, surveying instruments, cinematographic machines and apparatus, optical inspection apparatus, weighing machines, instruments for measuring length, signal processors, life-saving rafts and downloadable educational software for providing instruction in airplane, helicopter and rotorcraft flight operations; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric current switches, current converters, current rectifiers and fuses; apparatus for recording, transmission or reproduction of sound or images; electronic flight control apparatus for the piloting of helicopters and rotorcraft; electronic controllers for the piloting of helicopters and rotorcraft; electronic fly-by-wire flight control systems for helicopters and rotorcraft; electronic flight control systems via optical fibers for helicopters and rotorcraft; electronic flight instruments providing the pilot with information about the flight situation of the helicopter or rotorcraft, namely, computers, computer hardware and electric sensors for collecting flight data; apparatus for checking helicopter and rotorcraft flight parameters; electronic navigational apparatus and instruments for helicopters and rotorcraft; avionic instruments, equipment and systems related thereto, namely, altimeters, airspeed indicators, vertical speed indicators, directional compasses, gyroscopes, attitude indicators, heading indicators, turn indicators, first limit indicators, fuel gauges, pressure gauges, radar apparatus, communications apparatus, namely, communications computers, navigational systems, flight instrument displays in the nature of displays for use in aircraft, namely, electronic displays for providing aircraft crew members with navigational and operational information, flight control systems composed of computer hardware and software for controlling aircraft, autopilot systems composed of computer hardware and software for piloting aircraft, air data computers, monitoring and alerting systems, flight recorders, namely, electronic black boxes for recording data, health and usage monitoring systems composed of onboard computers and electronic devices for monitoring aircraft system performance; telecommunications apparatus for use in the field of helicopters and rotorcraft, namely, radio receivers and transmitters; data processing apparatus, computers, computer hardware, and computer peripherals; Recorded and downloadable computer software for providing helicopter and rotorcraft navigation and piloting assistance; recorded and downloadable computer software for providing helicopter and rotorcraft flight control; recorded and downloadable computer software for managing and recording helicopter and rotorcraft flight data; recorded and downloadable computer software for preparing helicopter and rotorcraft flight plans; mission planning computer software, recorded or downloadable, for helicopters and rotorcraft; recorded and downloadable computer software for the design, manufacture, testing, maintenance and repair of helicopters and rotorcraft and equipment and components of helicopters and rotorcraft; recorded and downloadable computer software to assist in regulating parameters of devices used for designing, manufacturing, piloting, guiding, flying, navigating, surveying, maintaining and repairing helicopters and rotorcrafts; recorded and downloadable computer software to assist in troubleshooting electrical faults, aircraft damage, mechanical failure and the replacement of time-expired parts for helicopters and rotorcrafts; recorded and downloadable computer software for indicating power failures and electrical faults in helicopters and rotorcrafts and proposing reparative actions for the aforesaid failures and faults; Recorded and downloadable game software; Recorded and downloadable computer software featuring flight simulation games; flight simulators; simulators for the steering and control of vehicles; electronic publications recorded on computer media, namely, books, manuals, magazines, periodicals, journals, catalogs, brochures, newsletters and service bulletins in the field of aeronautics; electronic publications, downloadable, namely, books, manuals, magazines, periodicals, journals, catalogs, brochures, newsletters and service bulletins in the field of aeronautics; electronic databases in the field of aeronautics recorded on computer media