Careers Career Paths Aviation Structural Mechanic (AM) Navy Enlisted Rating (Job) Descriptions Share PINTEREST Email Print U.S. Navy photo by Mass Communication Seaman Albert Jones/Released Career Paths US Military Careers Technology Careers Sports Careers Sales Project Management Professional Writer Music Careers Media Legal Careers Government Careers Finance Careers Fiction Writing Careers Entertainment Careers Criminology Careers Book Publishing Aviation Animal Careers Advertising Learn More By Rod Powers Rod Powers Air Force NCO Academy Rod Powers was a retired Air Force First Sergeant with 22 years of active duty service. Learn about our Editorial Process Updated on 06/25/19 The Aviation Structural Mechanic - Hydraulics (AM), maintains all aircraft main and auxiliary hydraulic power systems, actuating subsystems and landing gear. Responsible for maintenance on the aircraft fuselage (mainframe) wings airfoils, and associated fixed and moveable surfaces and flight controls. These technicians may also volunteer to fly as Naval aircrew. Aircrew performs numerous in-flight duties and operates aircraft systems in turbojet, helicopter, or propeller aircraft. The duties performed by AMs include: Maintain aircraft landing gear system, brakes, and related pneumatic systems, reservoir pressurization, emergency actuating devices, pumps, valves, regulators, cylinders, lines, and fittingsService pressure accumulators, emergency air bottles, oleo struts, reservoirs, and master brake cylindersInspect, removes and replace components of hydraulic systemsReplace gaskets, packing, and wipers in hydraulic componentsRemove, repair and replace aircraft fuselage, wings, fixed and movable surfaces, airfoils, regular seats, wheels and tires, controls and mechanismsRemove, install and rig aircraft flight control surfacesFabricate and assemble metal components and make minor repairs to aircraft skinInstall rivets and metal fastenersPaintWeldFabricate repairs for composite componentsPerform non-destructive dye penetrant inspections (NDI)Perform daily, preflight, postflight and other periodic aircraft inspections Working Environment Aviation structural mechanics may be assigned to sea or shore duty any place in the world, so their working environment varies considerably. They may work in hangars or hangar decks, or outside on flight decks or flight lines at air stations. A high noise level is a normal part of their work environment. AMs work closely with others, do mostly physical work and require little supervision. AMs may also serve as flight engineers aboard certain aircraft. A-School (Job School) Information Pensacola - 43 calendar daysPensacola - 11 calendar days (only some recruits will attend this course) ASVAB Score Requirement: VE+AR+MK+AS = 210 OR VE+AR+MK+MC = 210 Security Clearance Requirement: None (except for those who volunteer for aircrew duty) Other Requirements Vision must be correctable to 20/20 Must have normal color perception Must have normal hearing Must be high school graduate No history of drug abuse Sub-Specialties Available for This Rating: Navy Enlisted Classification Codes for AM Current Manning Levels for This Rating: CREO Listing Note: Advancement (promotion) opportunity and career progression are directly linked to a rating's manning level (i.e., personnel in undermanned ratings have greater promotion opportunity than those in overmanned ratings). Sea/Shore Rotation for This Rating First Sea Tour: 48 monthsFirst Shore Tour: 36 monthsSecond Sea Tour: 36 monthsSecond Shore Tour: 36 monthsThird Sea Tour: 36 monthsThird Shore Tour: 36 monthsFourth Sea Tour: 36 monthsForth Shore Tour: 36 months Note: Sea tours and shore tours for sailors that have completed four sea tours will be 36 months at sea followed by 36 months ashore until retirement. Much of the above information courtesy of the Navy Personnel Command.