Found it in my History file...


http://www.pkbwl.gov.pl/images/rapor..._1070_2018.pdf

You don't have to read Polish to understand most of what happened.

Here's the translated findings:

The Commission found that:
1. The glider possessed all technical and operational documents.
2. The pilot had the necessary qualifications to perform the flight.
3. The pilot performed acrobatics on a glider not admitted to aerobatics due to the year
glider production (over 25 years).
4. The pilot performed acrobatics below the height of 300 m.
5. The pilot tried to make a 180 ° turn to the landing pad at too low a height and speed.

PA