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Piper PA34-() Seneca II, III, IV, V
  • Piper PA-34 with 3-blade MTV-12
  • Piper PA-34 with 3-blade MTV-12

STC - Data


  • Type of Aircraft: PA-34 Seneca II- V

  • EASA: EASA.A.S.02553 (issued March 13, 2006)
  • FAA: SA03434AT (issued April 19, 2007)
  • DGAC Mexico: Letter of Acceptance
    of the EASA STC EASA.A.02553 (issued Dec 16, 2016)

  • Applicable Aircraft: PA-34-200T, PA-34-220T
  • Engines: TCM TSIO-360-E, -EB, -KB, -RB
  • Propeller: MTV-12-D-C-F/CFL188-53 (right wing)
    MTV-12-D-C-F/CF188-53 (left wing)

  • Advantages:
  • Best vibration damping characteristics
  • Bonded on stainless steel leading edge for best erosion
    protection of the blades
  • Enhanced Climb by approx. 5% (MTOW, ISA conditions)
  • Cruise performance increased by approx. 3 to 5 kts
    (MTOW, ISA conditions)
  • Approx. 10 lbs less weight than the original
    3-blade propellers
  • Significant inside and outside noise reductions
  • Increased ground clearance for less blade tip erosion
  • Unlimited blade life
  • FOD repairable blades

more information about the STC (.pdf 80k)