Aft Body Strakes

For Beechcraft Duke 60, A60 & B60

The modification consists of two tapered strakes which are approximately 5 feet long that are riveted to the underside of the aft section of the fuselage. Because the rear most portion of the strakes is actually attached to the tail cone the strakes incorporate a split design which allows the tail cone and aft section of the strakes to be removed as one piece for maintenance. Installed, the kit weighs in at 7 lbs.

The strakes are designed to improve the directional stability of the Duke, reduce aft body drag, and reduce Dutch roll oscillations. The reduction in Dutch roll is most apparent to the passengers riding in the back of the airplane and is the main reason the strakes were developed.

The strakes are available in kit form with all the necessary parts, installation instructions and certifying paperwork included. The kit can be installed by any qualified maintenance facility. Installation time is approximately 16 hours plus paint. There are no placards added or airspeed indicator dial changes required with the kit.

Available For:

Benefits Include:

  • Improved Directional Stability during takeoff, climb and landing.
  • Improved aft cabin ride during low and high altitude cruise.
  • Improved stability and handling at high angles of attack and low speed.
  • Improved yaw dampening with or without the yaw dampener engaged.
  • Reduced Aft Body Drag with associated benefits of increased cruise speed.
  • Additional 2 knot reduction in Vmc.

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