Aircraft mechanics maintain, repair, overhaul, modify and test aircraft structural, mechanical and hydraulic systems. Aircraft inspectors inspect aircraft and aircraft systems following manufacture, modification, maintenance, repair or overhaul. Aircraft mechanics and aircraft inspectors are employed by aircraft manufacturing, maintenance, repair and overhaul establishments, and by airlines and other aircraft operators.
Composite structures technicians build, repair, and replace aircraft structural components. This includes fabricating panels, repairing sheet metal, and removing damaged metal structures. They bond metal structures together and finish them. They must be able to interpret technical aerospace data.