EAST AURORA, N.Y., 2 Dec. 2011. Astronics Corp. (NASDAQ:ATRO) in East Aurora, N.Y., which specializes in power management, airport lighting systems, and automated test, training, and simulation systems for the global defense industry, is expanding its product lines into specialty avionics databus interface solutions for defense and commercial aerospace applications with its acquisition of Ballard Technology Inc. in Everett, Wash.