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


  • September , 2025
STC Diamond DV20, DA20-A1
  • Diamond DA 20 with 2-blade MTV-21
  • Diamond DV20 with 2-blade MTV-21

STC - Data


  • Type of Aircraft: DV20, DA20-A1

  • EASA: 10085192 (issued Aug. 29, 2025)
  • FAA: SA12066IB (issued July 22, 2025)

  • Applicable Aircraft: Diamond DV20, DA20-A1
  • Engines: Rotax 912 A3 or Rotax 912 F3
  • Propeller: MTV-21-A/170-05

  • Advantages:
  • Best vibration damping characteristics
  • Stainless steel propeller leading edge for best erosion
    protection of the blades
  • All models comply with the strict German Noise Regulations 2010 – “Landeplatz Lärmschutz Verordnung” for unrestricted airport operations in Germany and other European countries
  • FOD repairable lightweight natural composite MT-Propeller blades with unlimited propeller blade life
  • Milled single piece threadless aluminum hub

more information about the STC (.pdf 228kb)