http://www.legislation.gov.uk/ukpga/1985/22/section/6ADangerous Vessels Act 1985An Act to empower harbour masters to give directions to prohibit vessels from entering the areas of jurisdiction of their respective harbour authorities or to require the removal of vessels from those areas where those vessels present a grave and imminent danger to the safety of any person or property, or risk of obstruction to navigation; to enable the Secretary of State to give further directions countermanding those first-mentioned directions; and for connected purposes.1985-05-23texttext/xmlenStatute Law Database2015-09-10Expert Participation2015-03-12 6ADirections under section 1 of this Act shall have no effect in so far as they—aare inconsistent with the exercise by or on behalf of the Secretary of State of a power under Schedule 3A to the Merchant Shipping Act 1995 (c. 21) (safety directions),bwould interfere with a person’s compliance with a direction under that Schedule, orcwould interfere with action taken by virtue of that Schedule.S. 6A inserted (10.9.2003) by Marine Safety Act 2003 (c. 16), s. 4, Sch. 2 para. 1