EASA STC for MT’s 4-blade prop for Cessna 404/406

Atting, August 2025 - MT-Propeller Entwicklung GmbH received the EASA STC 10087533 for the installation of the 4-blade MTV-16-1-E-C-F/CF225-37a Propeller on the Cessna 404/406 Titan powered by two Teledyne Continental GTSIO-520-M engines. The FAA STC is in progress.

MT-Propeller Vice President Martin Albrecht says, that the installation feature the following advantages:

- Enhanced take-off distance by approx. 5% (MTOW, SL, ISA)

- Enhanced climb by approx. 3% (MTOW, ISA)

- Cruise performance increased by approx. 3 to 4 kts (Mid GW, ISA)

- Approx. 4 lbs less weight than the original propellers

- Inside noise is reduced by 3 to 4 dB(A)





MT-Propeller have obtained an EASA STC for the installation of their 4-blade MTV-16-1-E-C-F/CF225-37a Propeller on the Cessna 404/406.

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

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 33 000 propeller systems with more than 115 000 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