Structural Monitoring Systems Plc, together with its subsidiaries, designs, develops, manufactures, and sells structural health monitoring systems for the aviation industry in Australia, the United Kingdom, rest of Europe, Asia, the Middle East, Australasia, and Africa. It offers comparative vacuum monitoring sensors used to detect cracks on aircraft. The company also designs, develops, and manufactures of aircraft communication systems, loudspeaker systems, mission radios, avionics consoles, and caution/warning panels, as well as provides contract electronics manufacturing services. Structural Monitoring Systems Plc was incorporated in 2003 and is based in Claremont, Australia.