0605253 Aveateos Azet 71faaagearat Tae The Hawker 800XP business jet is derived from the design of the UK-built de Havilland / Hawker Siddely and British Aerospace 125, first built in 1962, which evolved into the Series 400 to 800 produced up to the early 1990s. Raytheon purchased the Series 800 program in 1993 an