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  • Currents (non-gravitational) include either singly or in combination: ocean currents (wind and/or density driven), inter-oceanic equalising currents, currents of navigable rivers, river outflow effects offshore and other non-tidal flows. S-57 Object Class: Current - non-gravitational S-57 Acronym: CURENT This data was compiled for the use in the scale range 1:1,500,000 and smaller. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • An area of the sea where the nature of bottom is homogeneous. The nature of bottom includes the material of which it is composed and its physical characteristics. Also called character (or characteristics) of the bottom, or quality of the bottom. S-57 Object Class: Seabed area S-57 Acronym: SBDARE This data was compiled for the use in the scale range 1:22,000 to 1:90,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • An inclined surface. S-57 Object Class: Sloping ground S-57 Acronym: SLOGRD This data was compiled for the use in the scale range 1:4,000 to 1:22,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • A measured water depth or spot which has been reduced to a vertical datum (may be a drying height). S-57 Object Class: Sounding S-57 Acronym: SOUNDG This data was compiled for the use in the scale range 1:4,000 to 1:22,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • Raster chart image of: NZ 945 Plans of the Cook Islands - Northern Sheet This data was compiled for the use at the following scale: 1:100000 File reference: NZ94502.tif THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT TO BE USED FOR NAVIGATION. The hydrographic raster data made available through the LINZ Data Service is based on the Paper Navigational Charts published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). The online New Zealand Chart Catalogue provides more detailed and the most up to date information about New Zealand charts: [New Zealand Chart Catalogue](http://www.linz.govt.nz/hydro/charts/nz202-chart-catalogue) Information on symbols and abbreviations used on nautical charts: [Symbols and Abbreviations](http://www.linz.govt.nz/hydro/charts/chart-symbols-terms-abbreviations) Hydrographic standards and specifications for nautical charts and publications: [Standards and Specifications](http://www.linz.govt.nz/hydro/regulation/)

  • In marine navigation, anything that hinders or prevents movement, particularly anything that endangers or prevents passage of a vessel. The term is usually used to refer to an isolated danger to navigation... S-57 Object Class: Obstruction S-57 Acronym: OBSTRN This data was compiled for the use in the scale range 1:1,500,000 and smaller. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • A point on the ground where position (horizontal and vertical) is used as a base for a dependent survey. Also referred to as a control station. S-57 Object Class: Control point S-57 Acronym: CTRPNT This data was compiled for the use in the scale range 1:22,000 to 1:90,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • An area containing a concentration of buildings and the supporting road or rail infrastructure. S-57 Object Class: Built-up area S-57 Acronym: BUAARE This data was compiled for the use in the scale range 1:1,500,000 and smaller. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • An area of the sea where the nature of bottom is homogeneous. The nature of bottom includes the material of which it is composed and its physical characteristics. Also called character (or characteristics) of the bottom, or quality of the bottom. S-57 Object Class: Seabed area S-57 Acronym: SBDARE This data was compiled for the use in the scale range 1:90,000 to 1:350,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

  • Raster chart image of: NZ 955 Plans of the Cook Islands - southern sheet: Manuae This data was compiled for the use at the following scale: 1:75000 File reference: NZ95504.tif THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT TO BE USED FOR NAVIGATION. The hydrographic raster data made available through the LINZ Data Service is based on the Paper Navigational Charts published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). The online New Zealand Chart Catalogue provides more detailed and the most up to date information about New Zealand charts: [New Zealand Chart Catalogue](http://www.linz.govt.nz/hydro/charts/nz202-chart-catalogue) Information on symbols and abbreviations used on nautical charts: [Symbols and Abbreviations](http://www.linz.govt.nz/hydro/charts/chart-symbols-terms-abbreviations) Hydrographic standards and specifications for nautical charts and publications: [Standards and Specifications](http://www.linz.govt.nz/hydro/regulation/)