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The ATs are divided into two categories: (1)
Aviation Electronics Technicians (Intermediate) (ATIs)
and (2) Aviation Electronics Technicians
(Organizational) (ATOs). Some of their specific
responsibilities are listed in the next two paragraphs.
The ATIs perform intermediate level preventive
and corrective maintenance on aviation electronic
components supported by conventional and automatic
test equipment, including repair of weapons replaceable
assemblies (WRAs), and shop replaceable assemblies
(SRAs). They also perform microminiature component
repair, test equipment qualification, and associated test
bench preventive and corrective maintenance.
The ATOs perform organizational level preventive
and corrective maintenance on aviation electronics
systems. The aviation electronics systems include
communication, radar, navigation, antisubmarine
warfare sensors, electronic warfare, data link, fire
control, tactical displays, and associated equipment.
Aviation Machinist’s Mate.— The insignia for the
Aviation Machinist’s Mate (AD) rating is a winged,
two-bladed propeller.
ADs maintain aircraft engines and their related
systems, including the induction, cooling, fuel, oil,
compression, combustion, turbine, gas turbine
compressor, exhaust, and propeller systems. They
preflight aircraft and conduct periodic inspections on
engines and engine-related systems. ADs also field-test
and adjust engine components, including fuel controls,
pumps, valves, and regulators. They remove, repair,
and replace compressor and turbine blades and
combustion chamber liners. They also preserve and
depreserve engines, engine accessories, and
components and supervise engine work centers.
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Aviation Maintenance Administrationman.—
The insignia for the Aviation Maintenance
Administrationman (AZ) rating consists of a winged,
two-bladed propeller on a book.
AZs perform administrative, managerial, and
clerical duties required in implementing and supporting
the Naval Aviation Maintenance Program. They plan,
program, and coordinate scheduled and unscheduled
maintenance tasks and the incorporation of changes and
modifications on or to aircraft and equipment. AZs set
up and maintain status boards. They also collect,
compile, analyze, and record data pertaining to the
history, operation, maintenance, configuration, receipt,
and transfer of naval aircraft and related aeronautical
equipment. AZs prepare reports and correspondence;
determine requirements for, requisition, and control
issues of change kits; requisition departmental
instructions, forms, and technical data; and organize,
maintain, and operate technical libraries. They
additionally perform other duties as required when
attached to organizational, intermediate, and depot
maintenance activities or aviation staff commands.
Aviation Ordnanceman.—The insignia for the
Aviation Ordnanceman (AO) rating consists of a
flaming, winged, spherical shell.
AOs inspect, maintain, and repair aircraft
armament equipment and aviation ordnance equipment,
including aircraft guns, gun accessories, aerial-towed
target equipment, ammunition, handling equipment,
and ammunition suspension, release, launching, and
arming equipment.
AOs store, maintain, assemble,
load, and fuse aviation ammunition. They also load
nuclear weapons and aerial mines and torpedoes; load
supplementary stores; and assemble, test, load, and
maintain air-launched guided missiles. They
additionally supervise the operation of aviation
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