EASA STC for 7-bladed Propeller on Shorts SC7

MT Propeller

MT Propeller EASA STC for 7-bladed Propeller on Shorts SC7 Atting October 2021 - World's first 7-bladed MT-Propeller - The Silent 7 - MTV-37-1-E-C-F-R(G)/CFR228-54( ) is now supplemental type certified by the EASA on the Shorts SC7 powered by two Honeywell TPE331-2-201A Honeywell TPE331-2-201A* engines modified according to FAA STC SE383CH propeller turbines.

The Silent 7 defines a new level of comfort, performance, so far never experienced on any turboprop aircraft before.



The world's first 7-bladed MT-Propeller - The Silent 7 - is now supplemental type certified by EASA on the Shorts SC7 powered by two Honeywell engines modified according to FAA STC SE383CH propeller turbines.

When starting developing the world's first 7-bladed propeller for general aviation in 2016 MT-Propeller had the same vision like in year 1999 when we came up with the first 5-bladed prop for turbo props. The 5-bladed prop became an industrial standard with more than 2500 propeller sold for various kinds of turbo props and it is still an ongoing success story.

MT-Propeller Vice President Martin Albrecht says that the installation of the brand new MTV-37 Propeller on the propeller turbine driven aircraft Shorts SC7 features the following advantages:

- Best vibration damping characteristics for almost vibration free propeller operation

- Bonded on nickel alloy leading edge for best erosion protection of the blades

- Shorter take-off distance by approx. -5 % (SL, ISA conditions)

- Enhanced climb performance by approx. 10 % (SL, ISA conditions)

- Unlimited blade life

- FOD repairable blades

- Quicker engine start, reduced ITT / EGT during engine start.

- Significant inside and outside noise reduction

- Comply with the strict German noise regulations 2010 - „Landeplatz Lärmschutz Verordnung“ for unrestricted airport operations in Germany and other European Countries

About MT-Propeller



MT-Propeller is the world leading natural composite propeller manufacturer with 30 certified propeller models from 2-blade to 7-blade hydraulically controlled variable pitch propeller, for engines producing up to 5000hp, and 2-blade to 4-blade electrically controlled variable pitch propeller, for engines producing up to 350hp as well as two blade fixed pitch propellers.

The high performance, light weight 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.

Fulfilling the highest certification requirements they are also supplemental type certified on Part 25 aircraft.

MT-Propeller is holder of over 220 STCs worldwide and OEM supplier for more than 90% of the European Aircraft Industry as well as 30% of the US Aircraft Industry. More than 26,000 propeller systems with more than 87,000 blades are in service. 180 Million fleet hours where already performed on MT-Propellers. With the longest industry TBO of 4500 hours or 6 years for the 5-bladed turbo prop MT-Propeller has proven the reliability over years.

A factory certified network of 62 service centers, provides best service and maintenance all over the world.

MT-PROPELLER Entwicklung GmbH
Airport Straubing-Wallmuehle
D-94348 Atting - Germany
phone: +49-(0)9429-9409-0
fax: +49-(0)9429-8432
sales@mt-propeller.com
www.mt-propeller.com
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