(1) In this Act, unless the context otherwise requires,u2014
(a) u201caccredited training organisationu201d means any organisation which is accredited by the CentralGovernment under section 20 ;
(b) u201caid to navigationu201d means a device, system or service, external to vessels, designed andoperated to enhance safe and efficient navigation of individual vessels and vessel traffic, but shall notbe construed to include a reference to vessel traffic services, unless otherwise specified;
(c) u201cDirector Generalu201d means the Director General of Aids to Navigation appointed undersection 4;
(d) u201cdistrictu201d means an area demarcated as a district for the purposes of this Act undersub-section (1) of section 4;
(e) u201cgeneral aid to navigationu201d means any aid to navigation, which the Central Government may, bynotification in the Official Gazette, declare to be a general aid to navigation for the purposes of thisAct;
(f) u201cheritage lighthouseu201d means an aid to navigation designated as such under section 23;
(g) u201clocal aid to navigationu201d means any aid to navigation which is not a general aid to navigation;
(h) u201clocal authorityu201d means a State Government or other person having superintendence andmanagement over a local aid to navigation;
(i) u201cmarine aids to navigation duesu201d means the dues levied under section 24;
(j) u201cnotificationu201d means a notification published in the Official Gazette of India and the expressionu201cnotifyu201d with its grammatical variation and cognate expressions shall be construed accordingly;
(k) u201cowneru201d means the owner of a vessel including its registered owner, a person to whom a sharein the vessel belongs, bareboat charterer, manager and operator of the vessel;
(l) u201cportu201d means any port as defined in the Indian Ports Act, 1908 (15 of 1908);
(m) u201cprescribedu201d means prescribed by rules made under this Act;
(n) u201cproper officeru201d in relation to any functions to be performed under this Act, means the officer ofcustoms who is assigned those functions by the Central Board of Indirect Taxes and Customsconstituted under the Central Boards of Revenue Act, 1963 (54 of 1963), and includes any personappointed by the Central Government to discharge the functions of a proper officer under this Act;
(o) u201cruleu201d means rules made by the Central Government under this Act;
(p) u201cshipu201d includes a sailing vessel;
(q) u201cvesselu201d includes every description of water craft used or capable of being used in the marineenvironment, such as ship, boat, sailing vessel, fishing vessel, submersible, semi-submersible,hydrofoils, non-displacement crafts, amphibious crafts, wing-in-ground crafts, pleasure crafts, barges,lighters, mobile offshore drilling units or mobile offshore units;
(r) u201cvessel traffic serviceu201d means a service implemented under this Act to improve the safety andefficiency of vessel traffic and to protect the environment
(2) Words and expressions used but not defined in this Act, and defined in the Merchant Shipping Act,1958 (44 of 1958), shall have the same meanings respectively assigned to them in that Act.