FAA certifies MT-Propeller on King Air

MT-Propeller Entwicklung GmbH received an FAA STC for the next generation 5-blade scimitar composite propeller on the Hawker Beechcraft King Air 200 Series with the Pratt & Whitney Canada PT6A-41, -42, -52, -61.

This new STC provides general performance improvement, including a 5% improved takeoff and climb, 3 kts cruise with 1,800 rpm, according to company officials. The prop is suitable for all weather operation.

According to company officials, the propeller installation:

  • Provides  damping characteristics for almost vibration free propeller operation
  • Has bonded on nickel alloy leading edge for erosion protection of the blades
  • Approximately 25 poundsbs less weight than the original 4-blade propellers with aluminum blades
  • Has no propeller speed restrictions on ground while operating in low idle
  • Gives more ground clearance for less FODs
  • Provides cabin noise and vibration reduction

The high technology natural composite blades have no life limitation and can be repaired even in case of a FOD, company officials add.

MT-Propeller manufactures 30 propeller models from 2-blade to 6-blade hydraulically controlled variable pitch propeller, for engines producing up to 5000 hp, and 2-blade to 4-blade electrically controlled variable pitch propeller, for engines producing up to 350 hp, as well as two blade fixed pitch propellers. MT-Propellers can be used on aircraft with piston engines and propeller turbines, as well as on airships, wind tunnels or hovercraft.

MT-Propeller is holder of over 100 STCs worldwide with more than 15.000 propeller systems flying and OEM supplier for more than 90% of the European aircraft industry as well as 30% of the US aircraft industry, company officials conclude.

For more information: MT-Propeller.com

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