New prop approved for Navajo

MT-Propeller has received an FAA STC for a next-generation 4-blade scimitar composite propeller on the Piper PA-31P Navajo with the Lycoming TIGO-541-E series engine.

The new STC provides improved performance, maximum durability and reliability and is suitable for all weather operations, company officials said.

According to company officials, the propeller installation:

  • Provides best vibration damping characteristics for almost vibration free propeller operation
  • Has bonded on stainless steel leading edges for best erosion protection of the blades
  • Reduces the weight by approximately 25 lbs compared with the original metal propeller
  • Gives more ground clearance for less FODs.
  • Provides cabin noise and vibration reduction

The high-technology natural composite blades have no life limitation and can be repaired even in case of a FOD, officials add.

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