MT Piper PA-42/42-720

Advantages:

• Best vibration damping characteristics
• Bonded on stainless steel leading edge for best erosion
  protection of the blades
• Enhanced take-off distance and Climb Performance
  (MTOW, ISA)
• Cruise performance increased with 1800 RPM by
  approx. 4 to 5 kts (Mid GW, ISA)
• Approx. 60 lbs less weight than the original propellers
• More ground clearance for less FODs
• Significant inside and outside noise reductions
• Noise level is below 80 dB(A) according to
  ICAO Annex 16 Chapter 10
• Cabin noise is reduced by 4 to 6 dB(A)
• Unlimited blade life
• FOD repairable blades

more information about the STC (.pdf 70k)