MT-Propeller - The Winner's Propeller

Feb, 2013
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Piper PA-31T() Cheyenne


  • PA31T Cheyenne II XL with 5-blade MTV-27
  • PA31T Cheyenne II XL with 5-blade MTV-27

STC - Data


  • Type of Aircraft: Piper PA31T, PA31T1, PA31T2

  • EASA: 10038174 issued Jan. 25, 2012
  • FAA: SA03249NY (issued Feb. 13, 2013)
  • ANAC Argentina: 1212.42 (A) (issued Dec. 06, 2012)

  • Applicable Aircraft: PA31T (Cheyenne II),
    PA31T1 (Cheyenne 1, 1A), PA31T2 (Cheyenne IIXL)
  • Engines: PT6A-11, PT6A-28 or Blackhawk PT6A-135, 135A
    modification per FAA STC No. SA00863SE
  • Propeller: MTV-27-1-E-C-F-R(P)/CFR210-58d

  • 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,
    3kts cruise with 1900 rpm)
  • No propeller speed restrictions on ground while operationg in low idle
  • Significant cabin noise and vibration reduction
  • Unbeatable esthetic ramp appeal
  • More ground clearance for less FODs
  • Unlimited blade life
  • FOD repairable blades
  • 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 65k)