New Five-Blade Propeller Gains FAA STC for Cessna 206 Series

The natural composite blades drastically reduce vibration and noise, with no life limitations.

According to MT-Propeller, the new configuration reduces the maximum propeller rpm to 1,900. [Courtesy: MT-Propeller]

The Cessna 206 series received FAA Supplemental Type Certification (STC) for a five-blade MT-Propeller.

According to MT-Propeller, the new configuration reduces the maximum propeller rpm to 1,900. The configuration has already received certification from the European Union Aviation Safety Agency (EASA). MT-Propeller president Gerd Muehlbauer boasts the following perks to the five-blade configuration:

  • Improved erosion protection from bonded-on nickel alloy leading edges
  • 6-8 ktas cruise performance improvement
  • Improved ramp appeal
  • Smaller prop diameter with increased ground clearance
  • German noise regulation compliant

MT-Propeller states the composite blades have no life limitation and are repairable in the event of incidents involving foreign object debris (FOD).

“The high performance, lightweight and durable MT-Propellers can be used on aircraft with piston engines and propeller turbines, as well as on airships, wind tunnels, and hovercraft. MT-Propellers can be developed for nearly every aircraft type from motor gliders to regional airliners,” the company said in a statement.

This STC is just the latest of the company’s nearly 200 STCs worldwide. MT-Propeller also serves as the OEM supplier for more than 90 percent of the European aircraft industry, and 30 percent of the American aircraft industry.

Jeremy attained his bachelor's in journalism and emerging media from Kennesaw State University. He also served in the Georgia Air National Guard as a C-130 Crew Chief for six years, holding an associate in aircraft maintenance technology.

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