The bucc reputedly flew on a cushion of air in ground effect, like a helicopter. Apparently, if you were possessed of a sufficiently large pair, you could push the stick at low level and you wouldn’t stood in ……
I believe they were succumbing to fatigue at the end of their life, must have been one of the last jets designed by pencil rather than computer. There were a few lost by the “spectacles” failing and the wings folding up