This section contains the data derived from the use of Particle Image Velocimetry (PIV) to measure flow velocities in the wake of the HVAB rotor. The data include both processed flow field data as well as derived vortex properties (core size, peak swirl velocity, total vortex circulation) for specific test conditions. Descriptions of the test setup, the procedures for image processing and data reduction, and the data file formats are provided in the Readme file.