What happens in this video ?
The glider nosedived into the ground in Poland, near Żernica, after the pilot accidentally clipped a tree. Both the pilot and the passenger received non-life-threatening injuries.
The glider was a PZL-Bielsko. The accident occurred on April 30th 2018. The pilot was performing acrobatics on a glider not admitted to aerobatics due to the year of production of the glider (over 25 years). Also, the pilot performed acrobatics at a very low height (below the height of 1000 ft (300 m)). He tried to make a 180° turn to the landing pad at a too low altitude and speed when the wing clipped a tree.