The Hawker 400XPR engine test article made a successful first flight this week, paving the way for certification of the upgraded jet this September, Hawker Beechcraft announced.
The dual Williams International FJ44-4A-32 engines slated to power the new 400XPR – announced last year – will provide 470 pounds of additional combined thrust over that provided by the Pratt & Whitney turbofans in the 400XP.
