1461159176-1fd1e536-602f-4278-a0e4-9a2339215d32

An active noise control system for aircraft includes a headset for use by a pilot of the aircraft. A plurality of circular communication buffers are employed. A distributed control electroslag welding system, articulating boom, welding torch and consumable guide tube oscillator feed provide molten flux within the shoes filling from the sump to the run-off tab.