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MAS is an FAA / EASA repair station specializing in the repair of mechanical, electrical, electronic and composite components used on Regional and Mainline aircraft. In addition, MAS provides interior maintenance of passenger and crew seats. With the addition of Flight Line Products in 2021, we now offer a variety of plastic components including tray tables, trim components, covers and cushions as DER repair, OOP and PMA parts. MAS also offers manufacturing services. We build to print - legacy electronic components and circuit boards as well as a variety of wire harnesses. MAS is a Safran distributor of de-ice, evacuation and oxygen products. We are centrally located in Illinois, only 75 miles northwest of Chicago O'Hare airport.