Career
In 1980 De Vos returned to the Olympics as substitute for the Dutch Flying Dutchman. De Vos started sailing in the Solo. In this class De Vos took the Dutch Championship 1975.
Several countries did boycott the 1980 Summer Olympics, others like France did not go since they found the competition devaluated.
As result only half of the expected fleet was present during the Olympic regattas.