EASA STC for Beech Bonanza with MT Propeller

BonanzaImage: Courtesy of MT Propeller Entwicklung GmbH

EASA STC For Bonanza With 3-Blade MT-Propeller

MT-Propeller Entwicklung GmbH has received the EASA STC 10064631 REV. 1 for the installation of the 3-blade constant speed propeller MTV-9-D/200-58 on the Beech Bonanza Series. This STC includes the models Beech Bonanza 35-C33A, 36, A36, E33A, E33C, F33A, F33C, S35, V35 (TC), V35A (TC) V35B (TC), G36, A36TC, B36TC powered by the engines Continental IO-520-B, -BA, -BB IO-550-B, TSIO-520-D, -UB.


Image: Courtesy of MT Propeller Entwicklung GmbH

According to MT-Propeller Vice President Martin Albrecht, the installation features the following advantages:

  • Take-off distance over 50 ft obstacle reduced by up to 3%!
  • Very smooth cruising – no speed penalty!
  • Approximately 10,2 kg (22,5 lbs) less weight than the original 3-blade metal propeller!
  • More ground clearance for less FODs!
  • MTOW increase eligible in combination with J.L. Osborne Wing Tip Tanks on most models!

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 superior 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. Fulfilling the highest certification requirements they are also supplemental type certified on Part 25 aircraft.

MT-Propeller is holder of over 210 STCs worldwide and OEM supplier for more than 90% of the European Aircraft Industry as well as 30% of the US Aircraft Industry. 20,000 propeller systems with more than 69,000 blades are in service. 130 Million fleet hours where already performed on MT-Propellers. 36 years ago, the first MT-Propeller was shipped. A factory certified network of 62 service centers, provides best service and maintenance all over the world.

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