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- Admiralty_chart abstract "Admiralty charts are nautical charts issued by the United Kingdom Hydrographic Office and subject to Crown Copyright. Over 3,000 charts are available and cover virtually the entire world in various levels of detail depending on the density of traffic and hazards. Large-scale charts often cover approaches and entrances to harbours, medium-scale charts cover heavily used coastal areas, and small-scale charts are for navigation in more open areas. There is also a Small Crafts Series available at even smaller scales.Charts include: depths (chart datum), coastline, bouyage, land and underwater contour lines, seabed composition (for anchoring), hazards, tidal information ("tidal diamonds"), prominent land features (e.g. church towers), traffic separation schemes, RF direction finding information, lights, and in short anything which could assist navigation.Passage charts at smaller scales use the Mercator projection so that bearings can be transferred to (or taken from) the charts directly, although allowances must be made for magnetic variation and magnetic deviation if accuracy is important. Use of this projection also has the advantage that straight lines drawn on the chart represent lines of constant bearing although in reality such lines are not straight but segments of a three-dimensional "loxodromic" spiral known as a rhumb line.Coastal charts and plans use a Transverse Mercator projection in order to more accurately depict the shape of the shorelineThe UK Hydrographic Office issues charts for various users. Standard charts are issued for mariners who are subject to the International Convention for the Safety of Life at Sea; folios of charts at a conventient A2 size are produced for leisure users and there are a range of digital products that complement the paper charts. However, electronic charts are not yet mandated as a legal replacement for paper charts.The seabed and the features charted change regularly and it is vitally important that users have the most up to date information. The UK Hydrographic Office receives a vast amount of new information and sifts and filters this to identify that which is most important to its users. These updates are released in Admiralty Notices to Mariners weekly, indexed by a serial number and the week and year of release. An annual summary is also released shortly before the start of the sailing season. All charts should be updated regularly to maintain accuracy and safety.".
- Admiralty_chart thumbnail The_Houtman_Rocks_(British_Admiralty_Chart_1723).jpg?width=300.
- Admiralty_chart wikiPageExternalLink RdLeaflet.asp?sLeafletID=45.
- Admiralty_chart wikiPageExternalLink eastern-solent.png.
- Admiralty_chart wikiPageExternalLink www.visitmyharbour.com.
- Admiralty_chart wikiPageID "1986808".
- Admiralty_chart wikiPageLength "3944".
- Admiralty_chart wikiPageOutDegree "33".
- Admiralty_chart wikiPageRevisionID "661684708".
- Admiralty_chart wikiPageWikiLink Admiralty.
- Admiralty_chart wikiPageWikiLink Category:Hydrography.
- Admiralty_chart wikiPageWikiLink Category:Infographics.
- Admiralty_chart wikiPageWikiLink Category:Map_types.
- Admiralty_chart wikiPageWikiLink Category:Maps.
- Admiralty_chart wikiPageWikiLink Category:Navigation.
- Admiralty_chart wikiPageWikiLink Chart_datum.
- Admiralty_chart wikiPageWikiLink Crown_Copyright.
- Admiralty_chart wikiPageWikiLink Crown_copyright.
- Admiralty_chart wikiPageWikiLink HMS_Beagle.
- Admiralty_chart wikiPageWikiLink HMS_Challenger_(1858).
- Admiralty_chart wikiPageWikiLink HMS_Challenger_(1931).
- Admiralty_chart wikiPageWikiLink HMS_Cook_(K638).
- Admiralty_chart wikiPageWikiLink HMS_Endeavour.
- Admiralty_chart wikiPageWikiLink HMS_Hecate_(A137).
- Admiralty_chart wikiPageWikiLink HMS_Hecla_(A133).
- Admiralty_chart wikiPageWikiLink HMS_Herald_(H138).
- Admiralty_chart wikiPageWikiLink HMS_Hydra_(A144).
- Admiralty_chart wikiPageWikiLink HMS_Investigator_(1798).
- Admiralty_chart wikiPageWikiLink HMS_Investigator_(1801).
- Admiralty_chart wikiPageWikiLink HMS_Sharpshooter_(J68).
- Admiralty_chart wikiPageWikiLink Harbor.
- Admiralty_chart wikiPageWikiLink Harbour.
- Admiralty_chart wikiPageWikiLink International_Convention_for_the_Safety_of_Life_at_Sea.
- Admiralty_chart wikiPageWikiLink List_of_survey_vessels_of_the_Royal_Navy.
- Admiralty_chart wikiPageWikiLink Loxodrome.
- Admiralty_chart wikiPageWikiLink Magnetic_declination.
- Admiralty_chart wikiPageWikiLink Magnetic_deviation.
- Admiralty_chart wikiPageWikiLink Magnetic_variation.
- Admiralty_chart wikiPageWikiLink Mercator_projection.
- Admiralty_chart wikiPageWikiLink Nautical_chart.
- Admiralty_chart wikiPageWikiLink Rhumb_line.
- Admiralty_chart wikiPageWikiLink SOLAS_Convention.
- Admiralty_chart wikiPageWikiLink Solent.
- Admiralty_chart wikiPageWikiLink Spiral.
- Admiralty_chart wikiPageWikiLink Tidal_diamond.
- Admiralty_chart wikiPageWikiLink United_Kingdom_Hydrographic_Office.
- Admiralty_chart wikiPageWikiLink File:The_Houtman_Rocks_(British_Admiralty_Chart_1723).jpg.
- Admiralty_chart wikiPageWikiLinkText "Admiralty chart".
- Admiralty_chart wikiPageWikiLinkText "Admiralty charts".
- Admiralty_chart wikiPageWikiLinkText "Admitralty charts".
- Admiralty_chart wikiPageWikiLinkText "Royal Navy chart".
- Admiralty_chart wikiPageWikiLinkText "admiralty chart".
- Admiralty_chart hasPhotoCollection Admiralty_chart.
- Admiralty_chart wikiPageUsesTemplate Template:Reflist.
- Admiralty_chart subject Category:Hydrography.
- Admiralty_chart subject Category:Infographics.
- Admiralty_chart subject Category:Map_types.
- Admiralty_chart subject Category:Maps.
- Admiralty_chart subject Category:Navigation.
- Admiralty_chart hypernym Charts.
- Admiralty_chart type Type.
- Admiralty_chart type Infographic.
- Admiralty_chart type Type.
- Admiralty_chart comment "Admiralty charts are nautical charts issued by the United Kingdom Hydrographic Office and subject to Crown Copyright. Over 3,000 charts are available and cover virtually the entire world in various levels of detail depending on the density of traffic and hazards. Large-scale charts often cover approaches and entrances to harbours, medium-scale charts cover heavily used coastal areas, and small-scale charts are for navigation in more open areas.".
- Admiralty_chart label "Admiralty chart".
- Admiralty_chart sameAs Admiralty_chart.
- Admiralty_chart sameAs Admiraltykaart.
- Admiralty_chart sameAs m.06c22s.
- Admiralty_chart sameAs Адмиралтейские_карты.
- Admiralty_chart sameAs Q2204393.
- Admiralty_chart sameAs Q2204393.
- Admiralty_chart wasDerivedFrom Admiralty_chart?oldid=661684708.
- Admiralty_chart depiction The_Houtman_Rocks_(British_Admiralty_Chart_1723).jpg.
- Admiralty_chart isPrimaryTopicOf Admiralty_chart.