All Additional Upgrades


4- and 5-blade composite props

MT-Propeller’s fast, lightweight composite propellers reduce weight, vibration, and drag while increasing lift, thrust, and lifetime operation. These 4- and 5-blade propellers maximize the benefits of a Blackhawk engine upgrade. 

Upgrades Available For

  • Caravan
  • Cheyenne I, II, IIXL
  • Conquest I
  • Grand Caravan
  • King Air 200
  • King Air 300
  • King Air 350/350ER
  • King Air 90


  • Reduced Weight – Lighter than aluminum, natural composite propellers reduce weight on the engine crankshaft and overall aircraft weight.
  • Reduced Vibration – Unlike aluminum, composites do not experience harmonic vibration. Gyros, motor mounts, radios, heat muffs, cowlings, and more enjoy longer life with reduced vibration. 
  • Greater Strength – Composites are stronger than aluminum. 
  • Unlimited Blade Life – Composite propellers are brought back to exact factory-new dimensions during overhaul, avoiding replacement.
  • Steel Hub Inserts – Steel bearing inserts eliminate the requirement to replace the full hub when tolerances are exceeded. 
  • Quieter – Shorter blades and increased blade count results in a smaller diameter and lower, quieter tip speeds. 
  • More Lift/Thrust – Lower tip speeds maintain smooth airflow, resulting in more lift/thrust. 
  • Less Drag – A smaller prop arc disc creates less drag than larger diameter prop arc discs. 
  • More Ground Clearance – Smaller diameter propeller blades reduce chances for prop damage from ground objects and debris. 
  • Added Resale Value – Upgrade benefits are passed along, increasing resale value. 
  • Easy Installation – The blades bolt on easily and use the existing prop governor. 
  • Full Warranty – 1 year or 1,000 hours (whichever occurs first) for any manufacturing defects. 


  • Natural composite blades and hubs with stainless steel leading-edge guards 
  • Unlimited blade life through the ability to restore composites to factory specifications during overhaul 
  • Steel hub bearing inserts 
  • Increased blade count and shorter diameter 
  • Utilize existing prop governors 
  • Available in white, black, or grey 

Upgrade Includes 

  • One 4- or 5-blade reversing and full feathering constant speed propeller for each engine
  • One full composite spinner (AFRP) for each engine
  • Airplane flight manual supplement
  • Installation instructions
  • Instruction for continued airworthiness
  • Operation and installation manual


Contact us today to learn how an MT-Propeller upgrade can boost your performance, comfort, and bottom line.