. "2008 Kit Aircraft Directory." Kitplanes Magazine Volume 24, Number 12, December 2007, Belvior Publications, Aviation Publishing Group LLC. External links Aviat Aircraft Pitts Steen aero lab AVweb Used Aircraft Guide: Pitts Special 1940s United States sport aircraft Aerobatic aircraft Special Biplanes Single-engined tractor aircraft Aviat aircraft Aircraft first flown in 1944 Conventional landing gear