Owned and operated by Zweefvliegclub Flevo, Biddinghuizen, The Netherlands. It was orginally c/n 18-5395 but was damaged in an accident in the Netherlands in 1972 when it was PH-MBF. The fuselage was replaced with the fuselage from c/n 18-2036 PH-NLF. It is now registered as G-CUBJ with c/n 18-5395 but is correctly 18-2036. The original fuselage was rebuilt and became PH-BAJ and G-SUPA. but is registered as c/n 18-5512 which its frame number. It should be 18-5395.