Removes, fabricates, repairs, modifies, and installs parts and assemblies, such as frames, stringers, longerons, bulkheads, beams, ribs, spars, skin, cowling, brackets, fairing, stressed and double contour skins using hand or powered tools and a variety of metal working equipment. Sets up, operates and maintains power shears, metal brakes, rolls, dimpling machines, drills, saws, heat-treating furnaces, hardness testers, arc and oxyacetalene welders and other metal working equipment and tools of the trade.