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  • last update December 14, 2023
STC Thrush S2R

STC - Data


  • FAA STC: SA02499SE (issued August 19, 2016)

  • STC Holder:
  • Cascade Aircraft Conversions, LLC
  • 903 Grinnell Road
  • Garfield, WA 99130

  • Applicable Aircraft: Thrush S2R, S2R-R1340, S2R-R3S, S2R-R1820, S2R-G1, S2R-G5, S2R-G6, S2R-G10, S2R-T11, S2R-T15, S2R-T34, S2R-T45, S2R-T65
  • Engines:Pratt and Whitney PT6A-41, PT6A-42, PT6A-42A
  • Propeller: V508H/106B/A


  • Advantages:
  • Our propellers bring you the unique solution of removable blades. Shipping and storage of such a propeller is much easier and cheaper compared to the fixed blade option.
  • Our blades are made of durable high quality aluminum alloy designed for propeller blades.
  • No propeller ADs
  • TBO 2500 hours or 6 years, whatever comes first, for low maintenance costs
  • No intermediate inspections on an 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