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STC Airtractor
  • Airtractor with 5-blade MTV-27
  • Airtractor with 5-blade MTV-27


STC - Data


  • Type of Aircraft: Airtractor

  • EASA STC: 10072601 R1 (issued July 26, 2021)
  • FAA STC: SA04526NY (issued August 10, 2020, amended June 5, 2023)
  • TCCA STC: Acceptance of the EASA STC (issued May 11, 2021)

  • Applicable Aircraft: Airtractor AT-600, -800 Series
    Models: AT-802, AT-802A
  • Engines: Pratt & Whitney PT6A-65 Series
    and PT6A-67 Series
  • Propeller: MTV-27-1( )-C-F-R(P)-J/CFR300-82( )


  • Advantages:
  • Best vibration damping characteristics for almost vibration free propeller operations
  • Bonded on wide chord nickel alloy leading edges for superior erosion protection of the blades
  • Take-Off improvement by 5%, so compared to the original AFM a higher safety for the calculated take-off run
  • No propeller ADs
  • TBO 4500 hours or 6 years, whatever comes first, for low maintenance costs
  • No intermediate inspections on a agriculture installation
  • No intermediate inspections are needed between the TBO which requires the propeller removal
  • Reduced cost for spare parts, like blades and lower overhaul costs, for the complete propeller assembly
  • No rpm restriction for the complete operational range
  • No life limitation and repairable in case of an FOD.
  • ROC improved by 8% (Aerial Surveillance Configuration)

more information about the STC (.pdf 205k)