assemblies and shop replaceable assemblies.
AT(I) also performs microminiature com-
ponent repair and test equipment qualification
and associated test bench preventive and
! AT(O) performs organizational-level pre-
ventive and corrective maintenance on aviation
electronics systems to include communica-
tions, radar, navigation, antisubmarine warfare
sensors, electronic warfare, data link, fire
Aviation Machinist's Mate (AD)
A description of the AD rating includes the
! Maintain aircraft engines and their related
systems, including induction, cooling, fuel, oil,
compression, combustion, turbine, gas tur-
! Preflight aircraft.
! Conduct inspections on engine and engine-
! Field-test and adjust engine components,
including fuel controls, pumps, valves, and
! Remove, repair, and replace compressor and
turbine blades and combustion chamber liners.
! Preserve and depreserve engines, engine
accessories, and components.
! Supervise engine work centers.
Aviation Maintenance Administrationman
A description of the AZ rating includes the
! Perform administrative, managerial, and
clerical duties required in implementing and
supporting the Naval Aviation Maintenance
! Plan, program, and coordinate scheduled and
incorporation of changes and modifications to
aircraft and equipment.
! Set up and maintain status boards.
! Collect, compile, analyze, and record data
pertaining to the history, operation, main-
tenance, configuration, receipt, and transfer of
! Prepare reports and correspondence.
! Determine requirements for the requisition,
control, and issue of change kits.
! Requisition departmental instructions, forms,
and technical data.
! Organize, maintain, and operate technical
! Perform other duties as required when attached
to organizational, intermediate, and depot
maintenance activities or aviation staff com-
Aviation Ordnanceman (AO)
A description of the AO rating includes the
! Inspect, maintain, and repair armament
accessories, noncomputing gunsights, aerial-
equipment; and aviation ordnance equipment,
including ammunition suspension, release,
launching, and arming equipment.
! Store, maintain, assemble, load, and fuze
! Load nuclear weapons and aerial mines and
! Load supplementary stores.
! Assemble, test, load, and maintain air-launch
! Operate small arms ranges.
! Supervise the operation of armories, aviation
ordnance shops, and aviation ammunition
Aviation Storekeeper (AK)
A description of the AK rating includes the
! Receive, identify, store, and issue aviation
supplies, spare parts, and stocks of technical