Performs installation,test and repair of mechanical and electrical aircraft systems to include preventive maintenance, troubleshooting, of mechanical and structural components for, complex systems such as airframe and engine(s)), ground vehicles, etc., as may be applicable. Skilled in the use of rivet tools,sheet-metal and some machine tools (such as shears, breaks, notchers, saws, milling machines, lathes, etc., as well as measuring tools, test instruments.