Find your propeller...
Simply select your aircraft type from the drop-down menu, and the applicable STCs for your aircraft will be shown.


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)

PT6A conversion according to EASA STC # 10061949 / FAA STC SA04034CH
Propeller maximum rpm reduced to 1900 rpm acc. to Service Bulletin No. 4034-001
PT6A-11, -20, -20A, -20B, -21, -6/C20, -110, -112.
MTV-5-1-E-C-F-R(P)/CFR220-54( )