Hi,
This Hawker 800xp, belongs (co-owned) to Dr Albrecht Knauf..who is also a major shareholder of Eurowings (regionnal german carrier)..
The Knauf group is well knowned in the building world and probably one of the best in Europe. AlBrecht Knauf is also co-owner of the famous football team "Borrussia Dortmund"..so this lead you to his favourite location..Dortmund..
rgds Roljoe