STC King Air 200/250
  • Beech King Air with 5-blade MTV-27
  • Beech King Air with 5-blade MTV-27


STC - Data


  • Type of Aircraft: Beech King Air 200 / 250 Series

  • EASA STC: 10036196 (issued August 19, 2011)
  • FAA STC: SA03209NY (issued Nov. 07, 2012)
  • Transport Canada: Letter of Acceptance to the
    EASA STC 10036196 (issued Feb 21, 2017)
  • ANAC Brazil CST: 2015S09-08 (issued September 08, 2015)
  • DGAC Mexico: Validation of the EASA STC(issued March 1, 2018)

  • Applicable Aircraft: Hawker Beechcraft King Air 200 / 250 Series
  • Engines: P&WC PT6A-41, -42, -52, -61
  • Propeller: MTV-27-1-E-C-F-R(P)/CFR225-55f

  • 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
    (5% take-off & climb, 3 kts cruise with 1800 rpm)
  • Approx. 25 lbs less weight than the original
    4-blade propellers with aluminum blades
  • No propeller speed restrictions on ground while
    operating in low idle
  • Unlimited blade life and FOD repairable blades
  • More ground clearance => less FODs
  • 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 operations in Germany and other European Countries.

more information about the STC (.pdf 70k)