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STC King Air 300 series
  • Beech King Air 300 with 7-blade MTV-47
  • Beech King Air 300 with 7-blade MTV-47

STC - Data


  • Type of Aircraft: Beechcraft A100, 200, 300, 1900

  • EASA STC: 10085161 (issued August 22, 2024)
  • FAA STC: SA11914IB (issued February 11, 2025)

  • Applicable Aircraft: Textron Aviation Inc. Beech King Air 300, 300LW, B300, B300C
  • Engines: Pratt & Whitney Canada PT6A-60A: for Models 300, 300LW, B300, B300C PT6A-67A: optional for Models B300 und B300C
  • Propeller: MTV-47-1- ( )-C-F-R(P)/CFR260-361( )

  • 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)
  • 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 at high altitude;
  • 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 90k)