Press Release

Issued by MT-Propeller .

February 12, 2014

MT-Propeller Entwicklung GmbH has received the EASA STC 10047589 for the next generation three-blade scimitar composite propeller MTV-12-C-C-F/CF(L)180-57 on the Piper PA-30, PA-39 Twin Comanche.

The FAA STC is in progress.

This STC provides improved performance, maximum durability and reliability, suitable for any weather conditions.

The propeller installation:

- Best vibration damping characteristics for almost vibration free propeller operations

- Bonded on stainless steel leading edge for best erosion protection of the blades

- Enhanced take-off distance by approx. 15 % (MTOW, SL, ISA conditions)

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

- Enhanced cruise performance by 2 to 3 kts (MTOW, ISA)

- Unlimited blade life; FOD repairable blades

- Significant inside and outside noise reductions

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

MT-Propeller is the world leading natural composite propeller manufacturer with 30 propeller models from two-blade to six-blade hydraulically controlled variable pitch propeller, for engines producing up to 5000hp, and two-blade to four-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 or hovercraft.

Fulfilling the highest certifications requirements they are also supplemental type certified on Part 25 aircrafts. There is no current airworthiness Directives (AD).

MT-Propeller is holder of over 130 STCs worldwide and OEM supplier for more than 90% of the European aircraft industry as well as 30% of the US aircraft industry with more than 15.000 propeller systems flying. In July 2013, the 50,000th blade was shipped.

A factory certified service center network, provides best service and maintenance all over the world.