About MT-Propeller Entwicklung GmbH

About MT-Propeller Entwicklung GmbH

Manufacturer of high performance and noise reducing aircraft propeller systems

MT-Propeller Entwicklung GmbH was founded in 1981 by Gerd Muehlbauer and is well known in the world of general aviation as the leading manufacturer of natural composite propellers for single and twin engine aircraft, airships, wind tunnels and other special applications.

MT-Propeller operates out of its main office at the Airport Straubing-Wallmuehle (EDMS) in Germany, where highly skilled people are producing the highest quality of natural composite propellers.
For U.S. and Canadian customers there is an MT-Propeller Service Center in DeLand, Florida and several authorized service stations throughout the whole world.

  • OEM supplier for more than 90% of the European Aircraft Industry as well as 30 % of the US Aircraft Industry.
  • more than 220 STCs worldwide
  • 62 factory certified Service Center worldwide
  • 30 certified propeller models
  • governorsfor the use with almost every propeller system, not only for mt-propellers
  • 30,000+ MT-Propeller systems flying worldwide
  • 100,000+ blades are in service
  • more than 180 MIO flying hoursaccumulated
  • 2-blade to 7-blade hydraulically controlled variable pitch propeller, for engines producing up to 5000hp
    (video of the first 7-blade testflight)
  • 2-blade to 4-blade electrically controlled variable pitch propeller, for engines producing up to 350hp
  • propellers can be developed for nearly every aircraft type from motor gliders to regional airliners
  • can be used on aircraft with piston engines and propeller turbines, as well as on windtunnels or hovercraft


1981: founded by Gerd Muehlbauer

1983: introduction of hydraulically controlled variable pitch MT-Propellers

1985: introduction of electrically controlled variable pitch MT-Propellers

in the 1990s: design, certification and patent of the innovative hydraulic reversing propeller system

2003: option of conventional aluminum blades for certain applications

2004: introduction of light weight and small hydraulic propeller governors

2004: full feathering 5-bladed prop with reversing certified

2005: artificial composite blades for certain propeller models

2011: MT-Propeller certified on Part 25 aircraft

2013: the 50000th blade was shipped

2016: Test flight of the first 7-blade Propeller for General Aviation

2019: Test flight of the first 9-blade Propeller for General Aviation

2020: The first 7-blade Propeller for General Aviation certified

2022: Test flight of the first 11-blade Propeller for General Aviation

2024: Piper Meridian PT6A-135A installation

MT-Propeller Headquarters on the Airport Straubing-Wallmühle MT-Propeller Headquarters at the Airport Straubing-Wallmühle EDMS

MT-Propeller blade production MT-Propeller blade production

MT-Propeller blade production MT-Propeller USA, Inc. Florida, USA