 Panasonic Avionics Corporation was founded in 1979 as Matsushita Avionics Systems Corporation and changed its name in 2005.It is headquartered in Lake Forest, California and has major business functions in Bothell, WA.PAC is a supplier of in-flight entertainment equipment, including music, video on demand (movies and television shows), in-flight shopping, phone service, email, video games, and GPS flight location display.