The ‘DV window handles’ are the handles for the opening and closing of the windows voorlinks (Capt) and voorrechts (F/O) (Direct view windows).

In the sim-cockpits are these windows only for decorative purposes. The 2 handles are different in performance depending on the to the left or to the right side. These handles are later on a mounting plate (DV handle mounting plate) is mounted such as to be found in the real aircraft. This ensures that the mounted handle a more realistic view.

This ‘DV window handles’ come from CATIII and are made with a 3D printer. The handles are provided with the necessary details such as the Boeing-inscriptions.

Additional info/photos : http://www.flightdeck737.be/hardware/platform/zijpanelen/inopbouwonderdelen/