Setna iO is an aircraft aftermarket component provider headquartered in Chicago, IL with a full-service European operation in London, UK. Setna iO strategically stocks high demand rotables for exchange/loan and outright purchase. We specialize in B737NG, B747, B757, B767, B777, A319/20/21, A330, ATR72, Q400, and business jet spares. Setna iO buys and sells aircraft components nose to tail including APU's, QEC, avionics, landing gear, emergency equipment, sensors, and lavatory/galley equipment. Setna iO is an accredited supplier with ASA-100 and FAA Advisory Circular 00-56B.