Press Release

Issued by MT-Propeller .

August 25, 2016

MT-Propeller Entwicklung GmbH has recently received the Revision 2 of the EASA STC 10014445 for the next generation three-blade scimitar composite propeller MTV-12-B-C-F/CF188-53 on the Vulcanair P.68C-TC, P.68TC Observer, P.68, P.68B, P.68C, P.68 Observer, P.68 Observer 2 and P.68R. The Revision includes the Vulcanair P.68R and the fullfilling of the strict German noise regulations for certain configurations by model P.68C-TC, P.68 TC Observer and the model P.68, P.68B, P.68C, P.68 Observer, P.68 Observer 2, P.68R with CF183-53 blades and Liese exhaust. The Liese exhaust is only available for the non turbocharged engines.

According to MT-Propeller president Gerd Muehlbauer the installation features the following advantages for the P.68C-TC, P.68TC Observer:

- Take-off distance over 50 ft remains unchanged.

- Enhanced climb by approx. 3% (SL, ISA conditions, MTOW) increasing by altitude.

- Enhanced cruising speeds by approx. 2 to 3 kts (ISA, FL160, 4550 lbs GW).

- Approx. 12 lbs less total weight than the original propellers.

- ICAO Annex 16, Vol I, Part II, Chapter X EASA approved noise levels: P.68C-TC: 77.6 dB(A), P.68TC Observer: 76.4 dB(A)

- All models comply with the strict German 2010 Landeplatz-Lärmschutz-Verordnung noise regulations for unrestricted airport operations in Germany and other European countries.

For the P.68C-TC, P.68TC Observer, P.68, P.68B, P.68C, P.68 Observer, P.68 Observer 2, P.68R

- Take-off distance shortened by 55 m with the wide chord CF183-53 blades.

- Enhanced climb by approx. 3% (SL, ISA conditions, MTOW) increasing by altitude.

- Plus 5 kts with the wide chord CF183-53 blades.

- Approx. 12 lbs less total weight than the original propellers.

- ICAO Annex 16, Vol I, Part II, Chapter X EASA approved noise levels.

- Some models equipped with the CF183-53 blades for certain configurations (wide chord) comply with the strict German 2010 Landeplatz-Lärmschutz-Verordnung noise regulations for unrestricted airport operations in Germany and other European countries in conjunction with the Liese exhaust.

The MT-Propeller natural composite blades provide significant inside and outside noise reduction. They have no life limitation and are repairable in case of an FOD. They also provide best vibration damping characteristics for almost vibration free propeller operation and have bonded on stainless steel leading edges for superior erosion protection of the blades. 

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

Over 30 years ago, the first MT-Propeller was shipped. 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 aircraft. There are no current Airworthiness Directives (AD).

MT-Propeller is the holder of over 200 STCs worldwide and an OEM supplier for more than 90% of the European aircraft industry as well as 30% of the US aircraft industry. Over 18,000 propeller systems with more than 60,000 blades are in service. 110 million fleet hours have already been performed on MT-Propellers.

A factory certified network of 60 service centers provides best service and maintenance all over the world.