"Byford Dolphin" . . "1972-10-31" . . . . . . "BeachedAlia\u011Faand scrapped 2019" . . "67.4" . "One such incident" . . . . . . . . . . . . "Byford Dolphin#Diving bell accident" . . . "1974-02-01" . . . . "108.2" . "Byford Dolphin accident" . . . . . . . . "8.334" . "Byford Dolphin" . . . . . . "Diving bell" .