Data set from an aeroelastic wind tunnel study. Five wings with flared folding wingtip, featuring different stiffness properties, are tested in static and dynamic conditions (1-cosine gusts) to assess their gust load alleviation capabilities.The dataset includes:Static measurements: 10 seconds (for statistical evaluation) at different angles of attack (AoA) in both free-hinge and locked-hinge conditions.Dynamic measurements: measurements for 1-cosine gusts at different AoA, gust frequency and hinge release thresholds.Matlab scripts to read and process the raw data.