On Monday, February 10, 2020 at 5:19:52 PM UTC-7, waremark wrote:
In 2003 I lost my fin and tailplane in a midair. I was able to get out very easily. I and the pilot of the other glider involved were very lucky. We both used our parachutes and were completely uninjured. I would not speculate on why the pilots of this K21 were unable to get out and am surprised that the report did not address that aspect. Would any of you ground a tug because the Flarm was giving problems?

It sounds like they were about 2000" AGL. I would think that would give enough time to egress, assuming the G-forces were not pinning you in the seat, but it wouldn't be a lot of time. You would have to get out fast.