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Aviation electronics technician (AT) is a US Navy enlisted rating or job specialty (often called MOS or AFSC by other services). At the paygrade of E-9 (master chief petty officer) ATs merge with the aviation electrician's mate (AE) rating to become avionics technicians (AV). There has been talk of completely merging the two ratings, but as yet no definite plans have been announced. Aviation electronics technicians wear the specialty mark of a winged helium atom. Aviation electronics technicians (intermediate) perform intermediate level maintenance on aviation electronic components supported by conventional and automatic test equipment, including repair of weapons replaceable assemblies and shop replaceable assemblies and perform test equipment calibration/repair and associated test bench maintenance. Aviation electronics technicians (organizational) perform organizational level maintenance on aviation electronics systems, to include: communications, radar, navigation, antisubmarine warfare sensors, electronic warfare, data link, fire control and tactical displays with associated equipment.〔 ==History== The rating now known as AT can trace its origin to World War II, when the rating of aviation radio technician was established on 11 December 1942. This rating was re-designated aviation electronics technician's mate on 31 October 1945. Effective 2 April 1948 the name of the rating became aviation electronics technician (AET); the abbreviation was changed to (AT) on 9 June of the same year. A separate rating, aviation electronicsman was absorbed in 1955. The former ratings of aviation fire control technician (AQ) and aviation antisubmarine warfare technician (AX) were absorbed into the AT rating effective 1 January 1991. ATs were at one time further subdivided into aircraft equipment, ground equipment, radio and navigation equipment, radar and navigation equipment, ordnance and airborne CIC equipment. The ground equipment duties are now served by an aircraft support equipmentman. The ordnance duties remain a separate rating, and these personnel currently conduct far less electronics troubleshooting. Their training is more aligned with explosives-handling. All of the other subdivisions have since been re-merged back into the AT rating. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Aviation electronics technician (United States Navy rating)」の詳細全文を読む スポンサード リンク
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