Canadian Validation Of MT Prop On Rockwell Commander

Picture courtesy of MT-Propeller Entwicklung GmbH

Canadian Validation Of 3-Blade MT-Propeller On Rockwell Commander 114, 114A, 114B, 114TC

Picture courtesy of MT-Propeller Entwicklung GmbH

MT-Propeller Entwicklung GmbH has received the Transport Canada Letter of Acceptance of the EASA STC 10054490 for the next generation 3-blade scimitar composite propeller MTV-9-B/198-52 on the Rockwell Commander 114, 114A, 114B, 114TC powered by the Lycoming engines IO-540-T4A5D, IO-540-T4B5D, IO-540-T4B5 and TIO-540-AG1A.
This installation is already certified by EASA and FAA STC.


MT-Propeller Vice President Martin Albrecht said, that the installation of the 3-blade MT-Propeller on the Rockwell Commander 114 Series provides the following advantages:
– No engine modifications.
– Ground roll & takeoff distance over 50 ft obstacle is reduced by approx. 30 m (98 ft).
– Climb performance slightly improved.
– Very smooth cruising – no speed penalty.
– Approx. 8 kg (17,6 lbs) less weight than the original 3-blade metal propeller.


The MT-Propeller natural composite blades provide significant inside and outside noise reduction. They have no life limitation and are repairable in case of an FOD.
They also provide best vibration damping characteristics for almost vibration free propeller operation and have bonded on stainless steel leading edges for best erosion protection of the blades.


MT-Propeller is the world leading natural composite propeller manufacturer with 30 certified propeller models from 2-blade to 7-blade hydraulically controlled variable pitch propeller, for engines producing up to 5000hp, and 2-blade to 4-blade electrically controlled variable pitch propeller, for engines producing up to 350hp as well as two blade fixed pitch propellers.
The high performance, light weight and durable MT-Propellers can be used on aircraft with piston engines and propeller turbines, as well as on airships, wind tunnels or hovercraft. MT-Propellers can be developed for nearly every aircraft type from motor gliders to regional airliners.

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