1947: Built by "Henry Scarr Ltd" at Hessle (GBR) (YN 510)
1947: delivered to "The Associated Portland Cement Manufacturers (1900) Ltd" at London (GBR)
1962: To "Vokins & Co Ltd" at London (GBR), renamed VORTEX
1975: To "Thames & General Lighterage Co Ltd" at London (GBR), renamed GENERAL III
1980: To "Cory Lighterage Ltd" at London (GBR)
198x: To "General Marine Services" at London (GBR)
1988: To Gerry McCarthy (London?) (GBR)
1992: register closed "no longer entitled to registration"
2001: spotted near Westminster (GBR)
2003: converted to a houseboat at Hoo (GBR)
2010: Spotted in Deptford Creek - owners unknown