In 1993, Raytheon purchased the Hawker line of business jets. As a result of this, the Beechjet 400A was later renamed the Hawker 400XP. Many charter companies out there will refer to every Beechjet 400A as a Hawker 400XP, however truly only those manufactured after around 2003 are real Hawker 400XP's. The Hawker 400XP does come with a few [though not many] modifications over the Beechjet 400A that come from the larger Hawker 800XP.
Because the Hawker 400XP and Beechjet 400A are essentially the same aircraft, please
to read about the