MT-Propeller STCs

Easily find the STC you need for your plane.

02_Kollektionen/Lösungen und Produkten/meridian-mt.jpg

...and it only takes 10 seconds!
Simply select your aircraft type from the drop-down menu, and the applicable STCs for your aircraft will be shown.

Or fill out our propeller and spinner questionaire.

Propeller Questionnaire

Spinner Questionnaire

Send the document to us via our service form.

We hold more than 230 supplemental type certificates worldwide!

And we are still working on more!

Please check if we already hold a high performance propeller STC for your airplane.

(some of the listed STCs below are held by distributors and others. Their contact is mentioned next to the respective STC number)

To overview

M7 Aerospace SA226-T(B), SA227-TT, -AT, -AC, -DC, -BC, -CC / 5-blade MTV-27

SA226/SA227

FL042US.pdf (0.04 MB)

M7 Aerospace LP SA226-T(B), SA 227-TT, -AC, -AT, -CC, -BC, -DC

FAA

FAA_SA03893AT.pdf (1.33 MB)

EASA

EASAm7.pdf (0.87 MB)

TCCA Canada

TCCAfor10015216.pdf (0.30 MB)

AFAC Mexico

DGACfor1001516.pdf (1.24 MB)

INAC Venezuela

inacSA227.pdf (0.60 MB)

ANAC Brazil

ANAC_BR_2025S03-21.pdf (2.57 MB)

TPE331-10U-( ), TPE331-11U-(), TPE331-12UA-()
TPE331-12UAR-(), TPE331-12UHR-()

MTV-27-1-E-C-F-R(G)/CFRL250-103

Best vibration damping characteristics for almost vibration free propeller operations!
Bonded on nickel alloy leading edge for best erosion protection of the blades!
No engine modifications (no cam or beta tube change)!
Ground roll distance reduced by approx. 50 m (165 ft)!
Take-off distance over 50 ft obstacle reduced by approx. 80 m (260 ft)!
Two engine and single engine climb performance slightly improved by up to 80 ft/min!
Cruise performance slightly improved by up to 2 kts!
Approx. 20 lbs less weight than the removed original McCauley Propeller and Approx. 65 lbs less weight than the Dowty Rotol Propeller!
Unlimited blade life!
FOD repairable blades!
More ground clearance for less FODs!
Significant inside and outside noise reductions!
Aircraft noise level is about 5 dB(A) less than with the original metal propellers!
Cabin noise is reduced by 3 to 4 dB(A) depending on location!
Cooler ITTS during engine start up due to a shorter starting time of 1/3!

More about us

MT-Propeller was founded in 1980 by Gerd Muehlbauer, who had already 20 years of experience in propeller development and service at this time. He started his new own company on January 2nd 1981 at the Airport Straubing-Wallmuehle (EDMS) in Germany with 6 employees in a small, one-storey airport owned building.

Our company