[hharney]

I use the search feature on this message board and this is the info on MT prop


http://www.337skymaster.com/messages...ree+blade+prop


Checking the MT Propeller web site below I do not see an STC for EASA approval for Skymaster. There is an STC in the USA

http://www.mt-propeller.com/en/entw/stcs.htm