# Aircraft Structure, Surfaces, Rigging, and Systems Assemblers > Assemble, fit, fasten, and install parts of airplanes, space vehicles, or missiles, such as tails, wings, fuselage, bulkheads, stabilizers, landing gear, rigging and control equipment, or heating and ventilating systems. - Code: 51-2011.00 (O*NET-SOC; SOC 2018 51-2011) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 27 tasks (10 core and 17 supplemental) - Page: https://foundation.org.ai/occupations/51-2011.00 - JSON: https://foundation.org.ai/data/tasks/51-2011.00.json ## What the work is made of 1. Assemble parts, fittings, or subassemblies on aircraft, using layout tools, hand tools, power tools, or fasteners, such as bolts, screws, rivets, or clamps. Core task · Task 20810 · Rated by 99 people who do the job, July 2015 2. Read blueprints, illustrations, or specifications to determine layouts, sequences of operations, or identities or relationships of parts. Core task · Task 20811 · Rated by 99 people who do the job, July 2015 3. Attach brackets, hinges, or clips to secure or support components or subassemblies, using bolts, screws, rivets, chemical bonding, or welding. Core task · Task 13928 · Rated by 97 people who do the job, July 2015 4. Inspect or test installed units, parts, systems, or assemblies for fit, alignment, performance, defects, or compliance with standards, using measuring instruments or test equipment. Core task · Task 13929 · Rated by 100 people who do the job, July 2015 5. Adjust, repair, rework, or replace parts or assemblies to ensure proper operation. Core task · Task 20812 · Rated by 99 people who do the job, July 2015 6. Cut, trim, file, bend, or smooth parts to ensure proper fit and clearance. Core task · Task 20813 · Rated by 100 people who do the job, July 2015 7. Fabricate parts needed for assembly or installation, using shop machinery or equipment. Core task · Task 13934 · Rated by 97 people who do the job, July 2015 8. Layout and mark reference points and locations for installation of parts or components, using jigs, templates, or measuring and marking instruments. Core task · Task 13926 · Rated by 97 people who do the job, July 2015 9. Clean, oil, or coat system components, as necessary, before assembly or attachment. Core task · Task 13931 · Rated by 99 people who do the job, July 2015 10. Assemble prefabricated parts to form subassemblies. Core task · Task 13919 · Rated by 97 people who do the job, July 2015 11. Set, align, adjust, or synchronize aircraft armament or rigging or control system components to established tolerances or requirements, using sighting devices and hand tools. Supplemental task · Task 13932 · Rated by 98 people who do the job, July 2015 12. Join structural assemblies, such as wings, tails, or fuselage. Supplemental task · Task 13925 · Rated by 99 people who do the job, July 2015 13. Position and align subassemblies in jigs or fixtures, using measuring instruments and following blueprint lines and index points. Supplemental task · Task 13921 · Rated by 93 people who do the job, July 2015 14. Assemble prototypes or integrated-technology demonstrators of new or emerging environmental technologies for aircraft. Supplemental task · Task 19901 · Rated by 97 people who do the job, July 2015 15. Manually install structural assemblies or signal crane operators to position assemblies for joining. Supplemental task · Task 20814 · Rated by 97 people who do the job, July 2015 16. Align, fit, assemble, connect, or install system components, using jigs, fixtures, measuring instruments, hand tools, or power tools. Supplemental task · Task 13924 · Rated by 96 people who do the job, July 2015 17. Set up or operate machines or systems to crimp, cut, bend, form, swage, flare, bead, burr, or straighten tubing, according to specifications. Supplemental task · Task 13935 · Rated by 95 people who do the job, July 2015 18. Place and connect control cables to electronically controlled units, using hand tools, ring locks, cotter keys, threaded connectors, turnbuckles, or related devices. Supplemental task · Task 20815 · Rated by 98 people who do the job, July 2015 19. Install mechanical linkages and actuators, using tensiometers to verify tension of cables. Supplemental task · Task 20816 · Rated by 96 people who do the job, July 2015 20. Clean aircraft structures, parts, or components, using aqueous, semi-aqueous, aliphatic hydrocarbon, or organic solvent cleaning products or techniques to reduce carbon or other harmful emissions. Supplemental task · Task 19903 · Rated by 96 people who do the job, July 2015 21. Install accessories in swaging machines, using hand tools. Supplemental task · Task 20817 · Rated by 96 people who do the job, July 2015 22. Mark identifying information on tubing or cable assemblies, using etching devices, labels, rubber stamps, or other methods. Supplemental task · Task 13939 · Rated by 98 people who do the job, July 2015 23. Verify dimensions of cable assemblies or positions of fittings, using measuring instruments. Supplemental task · Task 13938 · Rated by 98 people who do the job, July 2015 24. Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment. Supplemental task · Task 13936 · Rated by 99 people who do the job, July 2015 25. Fit and fasten sheet metal coverings to surface areas or other sections of aircraft prior to welding or riveting. Supplemental task · Task 13930 · Rated by 97 people who do the job, July 2015 26. Capture or segregate waste material, such as aluminum swarf, machine cutting fluid, or solvents, for recycling or environmentally responsible disposal. Supplemental task · Task 19902 · Rated by 96 people who do the job, July 2015 27. Cut cables and tubing, using master templates, measuring instruments, and cable cutters or saws. 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