Piper Aircraft and Hartzell Propeller are working together on approval for a five-blade composite propeller for the Piper Meridian and M500 through a Supplemental Type Certificate (STC). Achievement of the STC for both Piper airplanes is anticipated by the end of fourth quarter this year. [Read more…]
Raisbeck Engineering’s latest development in swept-blade propeller technology, the new Composite Swept-Blade 5-way Propeller for the Beechcraft King Air 350 series, has begun FAA certification flight testing at Boeing Field in Seattle.
The Raisbeck/Hartzell team completed all ground and flight vibration and governor output pressure surveys Sept. 7. The program began company and FAA certification flight testing the following Monday, scheduled to be completed by the end of September.