Donated by Royal Aero Club of Belgium
Current holder (2015) is Germany
2013: Germany
2011: Germany
2009: Germany
2005: Germany
2003: Switzerland
2001: Switzerland
1999: Switzerland
1997: Sweden
1995: USA
1993: Germany
1991: Germany
1989: Austria
1987: Austria
1985: United Kingdom
1983: F.R. Germany
1981: F.R. Germany
1979: South Africa
1977: USA