“special direction” means a direction given under article 9 of this Order;  “Trinity House” means the Corporation of Trinity House of Deptford Strond( a );  “vessel” includes a ship, boat, houseboat, raft or water craft of any description, however  propelled or moved, and includes non-displacement craft, a jet bike, a personal watercraft,  seaplane on the surface of the water, a hydrofoil vessel, a hovercraft or any other amphibious  vehicle and any other thing constructed or adapted or floating on or being submersed in water  (whether permanently or temporarily);  (2) In the definition of “the additional area” in paragraph (1) all measurements are to be  construed as if the words “or thereabouts” were inserted after each measurement.  3. —(1) The St. Ives Harbour Act and Orders 1853 to 1993 except article 21 (powers to dredge,  &c. at or near harbour and works authorised by this Order) of the 1886 Order and article 9 (power  to dredge) of the 1993 Order so far as applicable to the purposes and not inconsistent with the  provisions of this Order are—  (2) The application of the St. Ives Harbour Act and Orders 1853 to 1993 to the harbour remain  unaffected by this Order.  (3) The application of the St. Ives (Pilotage) Harbour Revision Order 1988( b ) to the harbour,  Hayle harbour and the additional area remain unaffected by this Order.  4. —(1) Subject to article 15—  (2) On the G7 commencement date, the Council becomes the harbour authority for the  additional area.  (3) Subject to article 15, on the G7 termination date, the Council ceases to be the harbour  authority for the additional area.  (4) On the G7 termination date the Council continues to be the harbour authority for the harbour.  (5) On the G7 termination date the Council continues to have jurisdiction for the purposes of  pilotage under Part 1 of the Pilotage Act 1987( c ) in the harbour, Hayle harbour and the additional  area.  ( a ) The Corporation of Trinity House, Tower Hill, London, EC3N 4DH.  ( b ) S.I. 1988/1500.  ( c )  1987 c. 21. Section 1(4B), 1(5), 1(7), 1(8A) and 1(8B) was amended by the Marine Navigation Act 2013 (c. 23), section  3(1) and section 3(2A) by the Pilotage (Recognition of Qualification and Experience) Regulations 2003/1230, section 3(10)  by the Local Authorities (Executive and Alternative Arrangements) (Modification of Enactments and Other Provisions)  (England) Order 2001/2237, sections 8(1), 8(5)(a), 8(7), 8A, 8A(1), 8B, 8B(1) and 10(3) by the Marine Navigation Act  2013 (c. 23). Section 3(1A) is repealed by the Pilotage and Port Services (Amendment) (EU Exit) Regulations 2020/671,  section 3(2) by the Employment Equality (Age) Regulations 2006/1031 as amended by SI 2006/2408, section 3(2A) by the  Pilotage and Port Services (Amendment) (EU Exit) Regulations 2020/671.  4 Incorporation of the St. Ives Harbour Act and Orders  (a) incorporated into this Order, subject to the modification in article 4(7), and  (b) apply to the additional area during the G7 period.  (a) no general or special direction made under this Order takes effect at any time other than  during the G7 period, and  (b) any such direction ceases to have effect on the G7 termination date.  PART 2  JURISDICTION AND FUNCTIONS  Jurisdiction 