Don't know if anyone can remember the Scandinavian Star disaster from the 70's. The result of the deaths of a hundred plus passengers on board the ferry sailing between Oslo and Denmark changed many of the regulations regarding fire prevention methods on ferries etc. along with passenger muster details etc.
This appeared on gcaptain and makes for interesting reading regarding sabotage by crew members.
Former Investigator Claims Crew Lit Deadly Fire Aboard 'Scandinavian Star' Ferry in 1990 - gCaptain
rgds
JA