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FAA Approves STC for King Air 350ER Engine Upgrade

Jim Allmon (Blackhawk-left), Tim Harper (SNC-center), Pete Franks (VHA-right) with SNC's STC-approved King Air 350ER and Blackhawk's XP67A Engine+ upgrade. Blackhawk Modifications
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Key Takeaways:

  • Sierra Nevada Corporation and Blackhawk Modifications' Vector-Hawk Aerospace partnered to develop an XP67A engine upgrade for the Beechcraft King Air 350ER.
  • The FAA-approved modification provides a 25-30% increase in power and an 18-pound reduction in aircraft weight, allowing for a maximum takeoff weight of up to 17,500 pounds.
  • This upgrade significantly enhances the aircraft's mission capabilities, enabling greater payloads, longer loiter times, improved safety, and allowing special mission operators to utilize the 350ER to its full potential.
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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.

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