MT-Propeller - The Winner's Propeller

Aug, 2017
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STC King Air 300 / 350 series


  • Beech King Air 300 with 5-blade MTV-27
  • Beech King Air 300 with 5-blade MTV-27

STC - Data


  • Type of Aircraft: Beech King Air 300 / 350 series

  • EASA STC: 10050861 (issued October 20, 2014)
  • FAA STC: SA03525NY (issued April 17, 2015)
  • Transport Canada: Letter of Acceptance to the
    EASA STC 10050861 (issued Feb 21, 2017)
  • ANAC Brazil CST: 2015S09-06 (issued September 08, 2015)
  • INAC Venzuela: Letter of Acceptance to the
    FAA STC SA03525NY (issued Aug 08, 2017)

  • Applicable Aircraft: Hawker Beechcraft Beech 300, 300LW, B300, B300C
  • Engines: PT6A-60A
  • Propeller: MTV-27-1-E-C-F-R(P)/CFR260-65b

  • Advantages:
  • Best vibration damping characteristics for almost
    vibration free propeller operations
  • Bonded on nickel alloy leading edge for superior
    erosion protection of the blades
  • General performance improvement
    (8% take-off & climb, 4-5 kts cruise with 1800 rpm)
  • No propeller speed restrictions on ground while
    operating in low idle
  • Unlimited blade life and FOD repairable blades
  • More ground clearance - less FODs
  • Lower ITTs during start-up for less engine wear
  • Unbeatable esthetic ramp appeal
  • Significant cabin noise and vibration reduction
  • All models comply with the strict German noise regulations 2010–
    "Landeplatz Lärmschutz Verordnung"for unrestricted
    airport operation in Germany and other European Countries.

more information about the STC (.pdf 90k)