Braganca, Portugal 21 Aug 2008
Posted: Fri Sep 11, 2015 5:26 pm
'C3' glider code
CS-PBN PZL-Swidnik PW-5 Smyk c/n 17.09.021
However, this was involved in an accident in 2003, and hasn't been registered again since. Whether this is what you saw, I don't know.