Hartzell Propeller is introducing a new five-blade swept tip propeller that has been specially designed for th[e] Pilatus PC-12 turboprop.
The 2016 model PC-12 NG will feature the new five-blade, 105-inch diameter, composite propeller as standard equipment. The new propellers also are available immediately for the Pilatus PC-12 fleet of more than 1,300 business aircraft.
http://corporatejetinvestor.com/article ... pc-12-808/