Since the Herald of Free Enterprise (built 1980) sank off Zeebrugge on 6 March 1987, leading to the loss of 193 people, the tragedy has been often credited with being a turning point for passengership safety.

Yet, Allan Graveson, the senior national secretary of UK officers’ union Nautilus International, reflects that the subsequent changes were the result of a long line of tragedies that show how slow the industry has been to respond to ferry disasters.

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