Avionics is a portmanteau of "aviation electronics". It comprises electronic systems for use on aircraft, artificial satellites and spacecraft, comprising communications, navigation and the display and management of multiple systems. It also includes the hundreds of systems that are fitted to aircraft to meet individual roles; these can be as simple as a search light for a police helicopter or as complicated as the tactical system for an Airborne Early Warning platform.
The term avionics was not in general use until the early 1970s. Up to this point instruments, radios, radar, fuel systems, engine controls and radio navigation aids had formed individual...
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