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Business Air News
The monthly news publication for aviation professionals.
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Read our latest feature:   Checklist: Aircraft finance
MT-Propeller extends scope of King Air 300 STC
MT-Propeller's FAA STC for King Air 300/350 with five-blade MTV-27 Propeller has been revised to include those with a MTOW up to 17,636 lbs. It is now also certified by EASA.
The Beech King Air 300/350 with a MTOW up to 17,636 lbs is now covered by the Quiet Fan STC.

MT-Propeller Entwicklung has received a revision of the FAA STC SA03525NY for installing the five-blade MTV-27-1-(E,N)-C-F-R(P)/CFR260-65b Quiet Fan Jet propeller on the Beech King Air 300/350 series powered by P&WC PT6A-60A /-67A engines. The STC is now also valid for the Beech King Air 300/350 with a MTOW up to 17,636 lbs. This installation is also certified by EASA STC 10050861 R4.

According to MT-Propeller president Gerd Muehlbauer, the installation of the five-blade MT-Propeller on the Beech King Air 300/350 series provides best vibration damping characteristics for almost vibration free propeller operation; has bonded on nickel alloy leading edges for for superior erosion protection of the blades; provides a general performance improvement (eight per cent take off and climb, 4-5 kts cruise); has no propeller speed restrictions on ground while operating in low idle; has more ground clearance for less FODs; has lower ITTs during start-up for less engine wear; provides a significant cabin noise and vibration reduction; has an unbeatable aesthetic ramp appeal; has no life limitation; has FOD repairable blades; and has the longest industry TBO of 4,500 hours/six years

All models comply with the strict 2010 German Landeplatz Lärmschutz Verordnung noise regulations for unrestricted airport operation in Germany and other European countries.

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EASA ticks four-blade prop for Cessna 414 RAMs
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FAA awards STC for Seneca I three-blade propeller
July 18, 2022
The installation of the three-blade MT-Propellers improve the take off distance slightly. The weight is reduced by up to 20 lbs compared to the original propeller.