9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, supervision checking, emergency life-saving and teaching apparatus and instruments, namely, cameras, life-buoys, life vests, distance measuring apparatus, altitude measuring apparatus, temperature measuring apparatus, electrical aeronautic sensors, aeronautic navigational instruments for navigating aircraft, aeronautic apparatus in the nature of electric sensors and controls for aircraft monitoring and control, pressure measuring apparatus, speed measuring apparatus, air data computers in the nature of computers for use in relaying aircraft status, avionics systems in the nature of electric sensors and controls for aircraft monitoring and control, radar apparatus, computers for use in aircraft, acceleration sensors, vibration sensors, electric force sensors for use in monitoring aircraft status, acoustic measurement apparatus, microphones, electric aeronautic actuators, data processing apparatus, and scales; magnetic recording media, namely, sound recording disks featuring music, conversations being interviews with aircraft pilots, and aircraft operation instructions; software for use in piloting aircraft; aircraft maintenance software for use in evaluating and recording aircraft status and repairs; software for use in operating aircraft via autopilot; software applications for aeronautic apparatus, namely, software for use in monitoring aircraft locations; recorded content, namely, compact disks, DVDs, flash drives, flash memory cards, hard drives, video tapes, memory cards, downloadable databases and solid state drives featuring map data, and featuring instructional videos, sound files and written information in aircraft repair, maintenance, operation and cleaning; audiovisual and information technology equipment, namely, televisions, liquid crystal display monitors, loudspeakers, head-up displays being transparent electronic displays for providing aircraft crew members with navigational and operational information, virtual reality headsets, virtual reality glasses, and computers; devices and apparatus for safety, security, protection and signaling, namely, security and fire alarms, smoke detection devices, namely, smoke detectors and aircraft autopilot hardware and software that engages in emergencies; scientific and laboratory research apparatus, namely, microscopes, teaching apparatus and simulators, namely, flight simulators, pre-flight briefing systems in the form of computer hardware and software for use with flight simulators, and flight debriefing systems in the form of computer hardware and software for use with flight simulators; accessories of all the aforesaid goods, included in this class, namely, gloves featuring electrical sensors adapted for use with virtual reality equipment, computer mouse pads, joysticks for use with flight simulators, steering wheels for flight simulators and computer wrist rests