The Merchant Shipping (Light Dues) Regulations 1989

4.  In the place of payments per voyage, the following payments:–

(a) for pleasure yachts which the general lighthouse authority is satisfied are ordinarily kept or used outside any of the following countries and territories (including the territorial waters thereof), namely the United Kingdom, Isle of Man and Republic of Ireland, a payment in respect of any visit of £1.53 per 10 tons for every period of 30 days or less comprised in such visit;

(b) for tugs and pleasure yachts not included in sub-paragraph (a) of this paragraph an annual payment of £18.36 per 10 tons;

(c) for fishing vessels of 10 metres or more in length with effect from 1st June 1989 for the ten month period until 31st March 1990 a payment per vessel of £150 plus a payment of £15 for each metre of length in excess of 10 metres.