09/30/2009. Remarks by Johan Visschedijk: "This is the second prototype, first flown October 19, 1964. It was severely damaged on January 30, 1968, when the landing gear collapsed during taxiing at Hamburg, Germany, and it was deregistered as written off. However, the same year it was registered as D-CASE, rebuilt and in 1969 reregistered again to D-CLOU. It was withdrawn from use on Sepetember 24, 1970, and in 1973 it was acquired by the Deutsches Museum in Munich, Germany."