That old whippersnapper got it - I was right with the East European, although I thought this was a child of the sixties - looks a bit of an anachronism.
Like popular music, aviation for me ceased in 1975, so I am never going to get this brand-new stuff ! My only Jane's with this in it refers to a Wolfsberg-Letov, acquired by Latécočre in 2000.
Where do the British & Belgian bits come in ???
(I was 66 only last week - does this mean you are the senior citizen here, Wout ???)