• MT-Propeller USA LogoMT-Propeller USA, Inc.


  • August, 2025
STC Airtractor
  • Airtractor with 3-blade Avia V508/108/A
  • Airtractor with 3-blade Avia V508/108/A


STC - Data


  • Type of Aircraft: Airtractor AT 502

  • EASA STC: 10086020 (issued Dec 09, 2024)
  • FAA STC: SA12083IB (issued July 23, 2025)

  • Applicable Aircraft: Airtractor AT-402(), -502 () Series
    Models: AT-402, -402A, -402B, AT -502, -502B, --503A
  • Engines: Pratt & Whitney PT6A-( )
  • Propeller:  AVIA V508/108/A


  • Advantages:
  • Identical Performance Data compared with Legacy STC 4-blade propeller
  • Static Thrust (1,081 kg / 10,600 N / 2,600 lbs) same as existing Legacy 4-blade propeller STC
  • Optional power rating to 2080 rpm for reduced noise and higher efficiency
  • In-field removable blades: Easy installation because separate hub and blade installation
  • Single blades easily replaceable in-field

more information about the STC (.pdf 110k)