longer ron, or rather his better half, has control!
The relevant bits of the story:
In the late '60s Cor Dijkman Dulkes, his brother and a friend designed and built a single-seat aircraft, the Dijkman Dijkhaster Bravo, using a 33Hp Daf car engine with 100,000km on the clock already. The registration PH-COR was painted on it, but there was no paperwork to support this. The wing for the Dijkhaster Bravo came from a sailplane design that Cor had started to build with his brother but which was never finished. To try out the completed aircraft, Cor took it to the beach at Wijk aan Zee, near his home, where he taxied it up and down the beach. During one of these taxi tests on 13th September 1969, he met a man named Van der Ham, who turned out to be a pilot. Van der Ham got into the aircraft and took off from the beach. This drew such a crowd that the beach was quickly filling up with spectators, leaving no room for a landing, so Van der Ham decided to fly to Zestienhoven Airport next to Rotterdam and set down the aircraft on the runway. This was before the days of regulations for home-built aircraft, Dijkman Dulkes had never gone to the trouble of contacting the autorities about his aircraft and the registration was bogus. It arrived at Zestienhoven Airport amidst a festive new hangar opening so the press were able to cover this story in detail. The first PH-COR was quickly impounded, never flew again but survived and is now in the museum at Texel Airport.
Dijkman Dulkes went on to design and build several other aircraft, all with proper paperwork and in accordance with the rules, and the first of these, the aptly registered PH-COR is now under restoration to fly again. It's designer/builder sadly passed away in 2006.
(My translation from the link in the post above).