Turboprop engine-upgrade company Blackhawk Modifications this week announced progress toward a supplemental type certificate (STC) that will boost performance in the workhorse Beechcraft King Air 350.
Beechcraft King Air 350 Engine Upgrade STC on the Way
Key Takeaways:
- Blackhawk Modifications is developing an engine upgrade (STC) for the Beechcraft King Air 350, with flight testing expected in November and STC finalization in May.
- The upgrade replaces the original PT6A-60A engines with higher-performance 1,200 shp PT6A-67A engines and includes a five-blade propeller.
- Operators can expect significant performance improvements, including a 37 ktas increase in cruise speed (up to 340 ktas), increased range, and enhanced climb performance, especially in hot temperatures.
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