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MT adds TCCA approval to three-blade MTV-6 rollout
MT-Propeller is the holder of over 220 STCs worldwide and the supplier of more than 25,000 propeller systems currently in service. The three-blade MTV-6 is next in line.
The DA42 is expected to cruise two or three kts faster with MTV-6 propellers installed.

MT-Propeller has received validation of its EASA STC by Transport Canada Civil Aviation for the installation of the new scimitar design three-blade hydraulically actuated constant speed MTV-6 series propeller on Diamond DA42 aircraft powered by Technify TAE 125 or Austro 4E-B engines. An FAA STC is in progress.

VP Martin Albrecht says that the installation features many advantages, including best vibration damping characteristics for almost vibration free propeller operations; no engine modifications required; ground roll and takeoff distance over 50 ft obstacle is reduced by approximately 40 m (131 ft); climb performance improved by 10 per cent; and smooth cruising with two to three kts more speed.

The MT-Propeller natural composite blades have no life limitation and are repairable in case of an FOD.

Other News
 
EASA approves Blackhawk five-blade King Air upgrade
October 17, 2026
Hartzell’s 5-blade composite propeller reduces aircraft weight by around 20 pounds total by using carbon fibre construction rather than a 4-blade aluminum propeller. It also allows for reduced noise, both cabin and exterior, due to its smaller diameter.
ANAC says yes to MT's seven-blade Piper propeller
September 6, 2026
In 2024, flight tests began to certify this advanced propeller system for the Piper PA-46-600TP and PA-46-701TP as well, so that these models can also benefit from the advantages of the Silent 7 MT propeller.
Canada awards silent prop STC for Beech 300 series
August 31, 2026
TCCA STC SA26-78 officially clears the installation of the seven-bladed MTV-47 Silent 7 propeller system on eligible Beech King Air 300 series aircraft.