V-51 is the Yugoslav Air Force designation of the U-66. It is said that the V-51 was phased out around 2000, but this one is carrying the provisional red-blue-white roundel of the Serbian Air Force that was used from 2006. But as it was already noted in the Muzej Vazduhoplovstva Beograd in Mar-2001, it is assumed that the museum painted that roundel on it. It is kept in the storage area. The fin of the aircraft is inside the cabin. In front of it is V-51 51002, behind it are Aero 3 YU-CZA/40186 and Z-526M YU-DIO/41104 and top right is V-51 51221.