On Tuesday November 10th of 2015, in La Meuse (France) the three blades of a wind turbine fell off their masts, crushing the operator station in their fall. In 2018, 10% of global wind farm incidents were due to machine blades, 7% of which were due to blade falls. The costs of repairs related to these incidents are very high. Remember that the simple transport of a blade costs about 15 000€. ...