A master of a ship shall not, except in circumstances of unavoidable necessity, take a licensed pilot without his consent beyond the district for which he is licensed, or beyond the point up to which he has been engaged to pilot the ship, and if a master of a ship acts in contravention of this section, he shall be liable on summary conviction in respect of each offence to a fine not exceeding—
(a)in England and Wales and in Scotland, level 5 on the standard scale,
(b)in Northern Ireland, £1,000.