An update on the bun fight at the headrest corral.
5 days later the airworthiness people still will not decide whether removing the headrest is legal or not.
Luckily, my wonderful club officials managed to bring the issue to the attention of the most experienced senior airworthiness person in the country, who is a CASA rated specialist on glider modifications,
and is responsible for the issue of engineering orders for such mods.
Below is his response to the inquiry re legality. Of particular note is the statement regarding reports of this headrest striking pilots heads during ejection.

“Your DG200 was certified by the German LBA under “ LFSM 1975 Airworthiness Requirements for Sailplanes and Powered Sailplanes. ” Perusal of that document shows no mention of “Head Rests”. That means it was not needed for Certification. An optional extra if you like.

The current CS22 Design Requirements do have a mandatory fitment of Head Rests with strong emphasis being attached 2 or part of the seat.”

We also know that there are findings from accident reports that the original headrest may strike the pilot in the back of the head when the canopy is jettison. When Design Requirements are updated retrospectivity is not applied.

Based on all of the above, you can do what you like with the headrest. Being there, or not being there, has no influence on operations or airworthiness and the increased pilot safety is a key issue.

So it appears the pathetic bitter little person who reported me has failed utterly in their attempt to inconvenience me, however they have caused condiderable wasted time for the airworthiness authorities.
Stick that where the sun don’t shine.