9 Multi-media entertainment systems for use in airplanes, comprising multiple-display screens, wired and wireless remote controls, user touch screens, fiber-optic and electric cables and connectors, media converters, data switches, electronic and video game controllers, and central processing units; electronic equipment in the field of aviation including aircraft cabin service systems, namely, video modulators, video tape recorders, media file servers, ethernet hubs, passenger entertainment system controllers; seat display units, video distribution controllers; communications systems, namely, receivers, audio distribution units, UHF, VHF and HF transceivers, jammers, power amplifiers, antenna couplers, radio and telephone interface units, satellite communication units; heads up displays; magnetic compass systems, namely, gyroscopes, magnetic flux detectors, remote compensators and controllers; integrated systems, namely, engine indication and crew alerting devices; radio altimeters, distance measuring equipment, global position sensors, navigation receivers, multi mode receivers