In this Part—

• “appropriate enforcement authority”, in the case of any area and any provision of this Part, means any authority which is an enforcement authority for that area for the purposes of that provision;

• “the appropriate licensing authority” has the meaning given by section 113;

• “British aircraft” means an aircraft registered in the United Kingdom;

• “British marine structure” means a marine structure owned by or leased to an individual residing in, or a body corporate incorporated under the law of, any part of the United Kingdom;

• “British vessel” means a vessel—

  1. a

     which is registered in the United Kingdom,

  2. b

     which falls within section 1(1)(d) of the Merchant Shipping Act 1995 (c. 21) (small ships), or

  3. c

     which is exempt from registration under section 294 of that Act;

• “compliance notice” means a notice issued under section 90;

• “emergency safety notice” means a notice issued under section 104;

• “enforcement authority” has the meaning given by section 114;

• “fixed monetary penalty” has the meaning given by section 93(3);

• “licensable marine activity” is to be read in accordance with section 66;

• “licensing authority” means—

  1. a

     the Secretary of State;

  2. b

     the Welsh Ministers;

  3. c

     the Scottish Ministers;

  4. d

     the Department of the Environment in Northern Ireland;

• “marine licence” means a licence granted under this Part;

• “marine structure” means a platform or other artificial structure at sea, other than a pipeline;

• “remediation notice” means a notice issued under section 91;

• “stop notice” means a notice issued under section 102;

• “the UK marine licensing area” has the meaning given by section 66(4);

• “variable monetary penalty” has the meaning given by section 95(3);

• “vessel” includes—

  1. a

     hovercraft, and

  2. b

     any other craft capable of travelling on, in or under water, whether or not self-propelled.

In this Part any reference to the environment includes a reference to any site (including any site comprising, or comprising the remains of, any vessel, aircraft or marine structure) which is of historic or archaeological interest.