FAA Approves STC for King Air 350ER Engine Upgrade
Two companies have partnered to develop a supplemental type certificate for a Beechcraft King Air 350ER engine modification that will give the aircraft greatly increased performance. According to a press release from the Sierra Nevada Corporation and Blackhawk Modifications’s government and military sales offshoot, Vector-Hawk Aerospace, the XP67A upgrade gives the King Air 350ER a […]