# Aircraft Mechanics and Service Technicians

> Diagnose, adjust, repair, or overhaul aircraft engines and assemblies, such as hydraulic and pneumatic systems.

- Code: 49-3011.00 (O*NET-SOC; SOC 2018 49-3011)
- Family: [Installation, Maintenance & Repair](https://foundation.org.ai/occupations#family-49), one of its 52 occupations
- Tasks: 38 tasks (29 core and 9 supplemental)
- Page: https://foundation.org.ai/occupations/49-3011.00
- JSON: https://foundation.org.ai/data/tasks/49-3011.00.json

## What the work is made of

1. Examine and inspect aircraft components, including landing gear, hydraulic systems, and deicers to locate cracks, breaks, leaks, or other problems.  
   Core task · Task 9950 · Rated by 89 people who do the job, July 2013
2. Conduct routine and special inspections as required by regulations.  
   Core task · Task 9949 · Rated by 91 people who do the job, July 2013
3. Inspect completed work to certify that maintenance meets standards and that aircraft are ready for operation.  
   Core task · Task 9947 · Rated by 88 people who do the job, July 2013
4. Read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.  
   Core task · Task 9946 · Rated by 89 people who do the job, July 2013
5. Maintain repair logs, documenting all preventive and corrective aircraft maintenance.  
   Core task · Task 9948 · Rated by 90 people who do the job, July 2013
6. Modify aircraft structures, space vehicles, systems, or components, following drawings, schematics, charts, engineering orders, and technical publications.  
   Core task · Task 9961 · Rated by 89 people who do the job, July 2013
7. Inspect airframes for wear or other defects.  
   Core task · Task 9951 · Rated by 90 people who do the job, July 2013
8. Measure parts for wear, using precision instruments.  
   Core task · Task 9955 · Rated by 91 people who do the job, July 2013
9. Obtain fuel and oil samples and check them for contamination.  
   Core task · Task 9958 · Rated by 89 people who do the job, July 2013
10. 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, or seals.  
   Core task · Task 9952 · Rated by 90 people who do the job, July 2013
11. Replace or repair worn, defective, or damaged components, using hand tools, gauges, and testing equipment.  
   Core task · Task 9954 · Rated by 90 people who do the job, July 2013
12. Read and interpret pilots' descriptions of problems to diagnose causes.  
   Core task · Task 9960 · Rated by 89 people who do the job, July 2013
13. Test operation of engines and other systems, using test equipment, such as ignition analyzers, compression checkers, distributor timers, or ammeters.  
   Core task · Task 9957 · Rated by 90 people who do the job, July 2013
14. Measure the tension of control cables.  
   Core task · Task 9953 · Rated by 89 people who do the job, July 2013
15. Spread plastic film over areas to be repaired to prevent damage to surrounding areas.  
   Core task · Task 9976 · Rated by 90 people who do the job, July 2013
16. Remove or install aircraft engines, using hoists or forklift trucks.  
   Core task · Task 9967 · Rated by 89 people who do the job, July 2013
17. Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.  
   Core task · Task 9956 · Rated by 89 people who do the job, July 2013
18. Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.  
   Core task · Task 9963 · Rated by 88 people who do the job, July 2013
19. Fabricate defective sections or parts, using metal fabricating machines, saws, brakes, shears, and grinders.  
   Core task · Task 9969 · Rated by 89 people who do the job, July 2013
20. Reassemble engines following repair or inspection and reinstall engines in aircraft.  
   Core task · Task 9959 · Rated by 90 people who do the job, July 2013
21. Service and maintain aircraft and related apparatus by performing activities such as flushing crankcases, cleaning screens, and or moving parts.  
   Core task · Task 9965 · Rated by 90 people who do the job, July 2013
22. Clean, refuel, and change oil in line service aircraft.  
   Core task · Task 9971 · Rated by 88 people who do the job, July 2013
23. Trim and shape replacement body sections to specified sizes and fits and secure sections in place, using adhesives, hand tools, and power tools.  
   Core task · Task 9973 · Rated by 91 people who do the job, July 2013
24. Accompany aircraft on flights to make in-flight adjustments and corrections.  
   Core task · Task 9982 · Rated by 88 people who do the job, July 2013
25. Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.  
   Core task · Task 9970 · Rated by 89 people who do the job, July 2013
26. Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.  
   Core task · Task 9962 · Rated by 90 people who do the job, July 2013
27. Inventory and requisition or order supplies, parts, materials, and equipment.  
   Core task · Task 9968 · Rated by 90 people who do the job, July 2013
28. Clean, strip, prime, and sand structural surfaces and materials to prepare them for bonding.  
   Core task · Task 9964 · Rated by 91 people who do the job, July 2013
29. Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.  
   Core task · Task 9972 · Rated by 89 people who do the job, July 2013
30. 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.  
   Supplemental task · Task 9966 · Rated by 89 people who do the job, July 2013
31. Check for corrosion, distortion, and invisible cracks in the fuselage, wings, and tail, using x-ray and magnetic inspection equipment.  
   Supplemental task · Task 9977 · Rated by 89 people who do the job, July 2013
32. Disassemble engines and inspect parts, such as turbine blades or cylinders, for corrosion, wear, warping, cracks, and leaks, using precision measuring instruments, x-rays, and magnetic inspection equipment.  
   Supplemental task · Task 9978 · Rated by 88 people who do the job, July 2013
33. Cure bonded structures, using portable or stationary curing equipment.  
   Supplemental task · Task 9980 · Rated by 88 people who do the job, July 2013
34. Listen to operating engines to detect and diagnose malfunctions, such as sticking or burned valves.  
   Supplemental task · Task 9981 · Rated by 89 people who do the job, July 2013
35. Clean engines, sediment bulk and screens, and carburetors, adjusting carburetor float levels.  
   Supplemental task · Task 9974 · Rated by 89 people who do the job, July 2013
36. Determine repair limits for engine hot section parts.  
   Supplemental task · Task 9979 · Rated by 88 people who do the job, July 2013
37. Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.  
   Supplemental task · Task 9983 · Rated by 89 people who do the job, July 2013
38. Prepare and paint aircraft surfaces.  
   Supplemental task · Task 9975 · Rated by 90 people who do the job, July 2013

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## Where this comes from

Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. Nothing on this page is written by the Org.AI Foundation.