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STC Cessna 335, 340(A)
  • Cessna 340 RAM VII with 4-blade MTV-14
  • Cessna 340 with 4-blade MTV-14

STC - Data


  • Type of Aircraft: C 335 (EASA, Canada, Mexico), 340(A)

  • EASA: 10014993 R1 (issued Dec. 19, 2013) LBA STC (SA1347)
  • FAA: SA01284WI, SA02510NY (only 340(A)) (issued Feb. 20, 2008)
  • Transport Canada: Letter of Acceptance of the EASA STC
    (issued March 12, 2018)
  • AFAC Mexico: IA936/2023 (issued Oct. 09, 2023)

  • Applicable Aircraft: Cessna 335 (EASA, Canada, Mexico), 340, 340A
  • Engines:All TC and STC approved piston engines
    with a max. power rating up to 335 HP @
    2700 RPM
  • Propeller: MTV-14-D-C-F/CF188-30g

  • Advantages:
  • Best vibration damping characteristics for almost
    vibration free propeller operations
  • Bonded on stainless steel leading edge for superior
    erosion protection of the blades
  • Shorter take-off distance by approx. -3% (MTOW, SL, ISA conditions)
  • Enhanced climb by approx. 5% to 8% (MTOW, SL, ISA conditions)
  • Cruise performance increased by approx. 3 to 5 kts
    (MTOW, SL, ISA conditions)
  • Approx. 20 lbs less weight than the original propellers
  • Unlimited blade life, FOD repairable blades
  • Significant inside and outside noise reductions
  • Applicable with all RAM modifications

more information about the STC (.pdf 75k)