Twin Otter-Raisbeck

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de Havilland Twin Otter

Quiet Turbofan Propellers


To increase the efficiency of the Twin Otter, Raisbeck developed a propeller that offers your aircraft a multitude of benefits. The Quiet Turbofan Propeller has been popular since its certification and is still the right option to improve your aircraft’s usability.

Product Information



The Quiet Turboran Propellers for the Twin Otter give you the following benefits:
  • Astoundingly quiet and vibration-free inside and out, reducing fatigue on crew, passengers and airplane.
  • Maintains or exceeds original equipment performance levels.
  • Hot-prop de-icers provide low-maintenance, high-reliability de-icing capabilities
  • Reduce maintenance costs and downtime—no need to remove prop at 3000 hr/5 yr. TBO.
  • Proved by millions of trouble-free hours in service.
  • Raisbeck Quiet Turbofans pay for themselves in fuel savings alone, and make you a better neighbor at your airport.


Behind the superb performance and utility of the propellers is Raisbeck’s advanced technolgy advancements in prop design. Here are some of the highlights of this technology:

  • Design incorporates hi-lift airfoils and four hi-twist blades with smaller diameter.
  • Manufactured by Hartzell Propeller using computer NC techniques.
  • Increase engine inlet ram air and cooler engine operating temperatures.
  • Field-proven lightweight aluminum hub with all adjustments external to hub.
  • Fully tested and approved by the FAA, Pratt & Whitney of Canada Ltd., Woodward Governor Co., BF Goodrich, Hartzell Propeller Products, Inc. and Raisbeck Engineering, Inc.



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Propeller PartsMarket, Inc.
2954 Curtis King Blvd.
Treasure Coast Int'l Airport
Fort Pierce, Florida 34946
Phone : 772-464-0088

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Airport Information

FAA Identifier: KFPR
Ground: 119.55 [0700-2100]
Tower: 128.2 [0700-2100]

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