The FAA Aerospace Forecast predicts that through 2020, the general aviation fleet will increase at an average annual rate of 1.4%, growing from an estimated 226,422 in 2006 to 274,914 aircraft in 2020. In an industry analysis from AIA, the current backlog of commercial aircraft orders suggests an upward trajectory for at least the next three or four years. Aerospace Manufacturing and Design serves the aerospace industry by providing timely information on manufacturing processes and design parameters involved in the machining and assembly of aerospace components.