Hydraulic Mechanic Career

Job Description: Diagnose, adjust, repair, or overhaul aircraft engines and assemblies, such as hydraulic and pneumatic systems. Includes helicopter and aircraft engine specialists.

*A job as a Hydraulic Mechanic falls under the broader career category of Aircraft Mechanics and Service Technicians. The information on this page will generally apply to all careers in this category. We are still seeking more specific information about this career from experts in this field. If you can provide us with more information, .

Is Hydraulic Mechanic the right career path for you?
Take the MyMajors Quiz and find out if it fits one of your top recommended majors!

Hydraulic Mechanic Career

What Hydraulic Mechanics do:

  • Read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.
  • Replace or repair worn, defective, or damaged components, using hand tools, gauges, and testing equipment.
  • Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
  • Maintain, repair, and rebuild aircraft structures, functional components, and parts such as wings and fuselage, rigging, hydraulic units, oxygen systems, fuel systems, electrical systems, gaskets, and seals.
  • Conduct routine and special inspections as required by regulations.
  • Measure parts for wear, using precision instruments.
  • Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
  • Inspect airframes for wear or other defects.
  • Inspect completed work to certify that maintenance meets standards and that aircraft are ready for operation.
  • Spread plastic film over areas to be repaired to prevent damage to surrounding areas.
  • Maintain repair logs, documenting all preventive and corrective aircraft maintenance.
  • Read and interpret pilots' descriptions of problems to diagnose causes.
  • Service and maintain aircraft and related apparatus by performing activities such as flushing crankcases, cleaning screens, and lubricating moving parts.
  • Inventory and requisition or order supplies, parts, materials, and equipment.
  • Test operation of engines and other systems, using test equipment such as ignition analyzers, compression checkers, distributor timers, and ammeters.
  • Modify aircraft structures, space vehicles, systems, or components, following drawings, schematics, charts, engineering orders, and technical publications.
  • Examine and inspect aircraft components, including landing gear, hydraulic systems, and deicers to locate cracks, breaks, leaks, or other problems.
  • Fabricate defective sections or parts, using metal fabricating machines, saws, brakes, shears, and grinders.
  • Reassemble engines following repair or inspection and reinstall engines in aircraft.
  • Trim and shape replacement body sections to specified sizes and fits and secure sections in place, using adhesives, hand tools, and power tools.
  • Measure the tension of control cables.
  • Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.
  • Remove or install aircraft engines, using hoists or forklift trucks.
  • Obtain fuel and oil samples and check them for contamination.
  • Clean, refuel, and change oil in line service aircraft.
  • Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.
  • Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.
  • Clean, strip, prime, and sand structural surfaces and materials to prepare them for bonding.
  • Accompany aircraft on flights to make in-flight adjustments and corrections.
  • Clean engines, sediment bulk and screens, and carburetors, adjusting carburetor float levels.
  • Examine engines through specially designed openings while working from ladders or scaffolds, or use hoists or lifts to remove the entire engine from an aircraft.
  • Listen to operating engines to detect and diagnose malfunctions such as sticking or burned valves.
  • Disassemble engines and inspect parts, such as turbine blades and cylinders, for corrosion, wear, warping, cracks, and leaks, using precision measuring instruments, x-rays, and magnetic inspection equipment.
  • Prepare and paint aircraft surfaces.
  • Check for corrosion, distortion, and invisible cracks in the fuselage, wings, and tail, using x-ray and magnetic inspection equipment.
  • Determine repair limits for engine hot section parts.
  • Cure bonded structures, using portable or stationary curing equipment.
  • Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.

What work activities are most important?

Importance Activities

Getting Information - Observing, receiving, and otherwise obtaining information from all relevant sources.

Documenting/Recording Information - Entering, transcribing, recording, storing, or maintaining information in written or electronic/magnetic form.

Inspecting Equipment, Structures, or Material - Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects.

Evaluating Information to Determine Compliance with Standards - Using relevant information and individual judgment to determine whether events or processes comply with laws, regulations, or standards.

Repairing and Maintaining Mechanical Equipment - Servicing, repairing, adjusting, and testing machines, devices, moving parts, and equipment that operate primarily on the basis of mechanical (not electronic) principles.

Identifying Objects, Actions, and Events - Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.

Monitor Processes, Materials, or Surroundings - Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems.

Communicating with Supervisors, Peers, or Subordinates - Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person.

Updating and Using Relevant Knowledge - Keeping up-to-date technically and applying new knowledge to your job.

Making Decisions and Solving Problems - Analyzing information and evaluating results to choose the best solution and solve problems.

Operating Vehicles, Mechanized Devices, or Equipment - Running, maneuvering, navigating, or driving vehicles or mechanized equipment, such as forklifts, passenger vehicles, aircraft, or water craft.

Interacting With Computers - Using computers and computer systems (including hardware and software) to program, write software, set up functions, enter data, or process information.

Handling and Moving Objects - Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things.

Repairing and Maintaining Electronic Equipment - Servicing, repairing, calibrating, regulating, fine-tuning, or testing machines, devices, and equipment that operate primarily on the basis of electrical or electronic (not mechanical) principles.

Controlling Machines and Processes - Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).

Organizing, Planning, and Prioritizing Work - Developing specific goals and plans to prioritize, organize, and accomplish your work.

Analyzing Data or Information - Identifying the underlying principles, reasons, or facts of information by breaking down information or data into separate parts.

Interpreting the Meaning of Information for Others - Translating or explaining what information means and how it can be used.

Judging the Qualities of Things, Services, or People - Assessing the value, importance, or quality of things or people.

Processing Information - Compiling, coding, categorizing, calculating, tabulating, auditing, or verifying information or data.

Thinking Creatively - Developing, designing, or creating new applications, ideas, relationships, systems, or products, including artistic contributions.

Training and Teaching Others - Identifying the educational needs of others, developing formal educational or training programs or classes, and teaching or instructing others.

Drafting, Laying Out, and Specifying Technical Devices, Parts, and Equipment - Providing documentation, detailed instructions, drawings, or specifications to tell others about how devices, parts, equipment, or structures are to be fabricated, constructed, assembled, modified, maintained, or used.

Developing Objectives and Strategies - Establishing long-range objectives and specifying the strategies and actions to achieve them.

Establishing and Maintaining Interpersonal Relationships - Developing constructive and cooperative working relationships with others, and maintaining them over time.

Coaching and Developing Others - Identifying the developmental needs of others and coaching, mentoring, or otherwise helping others to improve their knowledge or skills.

Coordinating the Work and Activities of Others - Getting members of a group to work together to accomplish tasks.

Performing General Physical Activities - Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials.

Assisting and Caring for Others - Providing personal assistance, medical attention, emotional support, or other personal care to others such as coworkers, customers, or patients.

Estimating the Quantifiable Characteristics of Products, Events, or Information - Estimating sizes, distances, and quantities; or determining time, costs, resources, or materials needed to perform a work activity.

Scheduling Work and Activities - Scheduling events, programs, and activities, as well as the work of others.

Guiding, Directing, and Motivating Subordinates - Providing guidance and direction to subordinates, including setting performance standards and monitoring performance.

Developing and Building Teams - Encouraging and building mutual trust, respect, and cooperation among team members.

Performing Administrative Activities - Performing day-to-day administrative tasks such as maintaining information files and processing paperwork.

Provide Consultation and Advice to Others - Providing guidance and expert advice to management or other groups on technical, systems-, or process-related topics.

Resolving Conflicts and Negotiating with Others - Handling complaints, settling disputes, and resolving grievances and conflicts, or otherwise negotiating with others.

Communicating with Persons Outside Organization - Communicating with people outside the organization, representing the organization to customers, the public, government, and other external sources. This information can be exchanged in person, in writing, or by telephone or e-mail.

Monitoring and Controlling Resources - Monitoring and controlling resources and overseeing the spending of money.

Holland Code Chart for a Hydraulic Mechanic