4 killed as Plane slams into Wind Turbines in South Dakota

**** There are at least 2 critical dangers for flyers created by these things: 1) air turbulence – generated by a sea of 50-60m blades with their outer tips travelling at around 400km/h – interfering with the ability of the pilot to control their kite (see our post here); and 2) slamming into them – […]