Buoy, special purpose/general points (Hydro, 1:22k - 1:90k)
LINZ - Land Information New Zealand
A buoy is a floating object moored to the bottom in a particular place, as an aid to navigation or for other specific purposes. A special purpose buoy is primarily used to indicate an area or feature, the nature of which is apparent from reference to a chart, Sailing Directions or Notices to Mariners. Buoy in general: A buoy whose appearance or purpose is not adequately known.
S-57 Object Class: Buoy, special purpose/general
S-57 Acronym: BOYSPP
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/
The hydrographic data available through the LINZ Data Service is based on official Electronic Navigational Charts (ENCs) published by the New Zealand Hydrographic Authority.
Prior to loading onto this service, the S-57 data from these ENCs is converted to shapefile format.
The following Navigational Purposes and scale-ranges are represented: 1. Overview, 1:1.5mil and smaller 2. General, 1:350k - 1:1,500k 3. Coastal, 1:90k - 1:350k 4. Approach, 1:22k - 1:90k 5. Harbour, 1:4k - 1:22k