In great haste, just drop the URL and a note for later https://sites.google.com/site/nauticalfree/
https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc.htm https://www.mar.mil.br/dhn/chm/cartas/car_portos.html
Fragata Greenhalgh IPQM IPQM - CISNE Nae São Paulo NDCC Alte Saboia NDCC Garcia D'Ávila Ne Brasil NHo Amorim do Vale NHo Cruzeiro do Sul NOc Antares NPa Macaé NPaOc Amazonas NPaOc APA NPaOc Araguari NPo Alte Maximiniano NVe Cisne Branco SUB Tamoio SUB Tapajós SUB Timbira
https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/FRAGATAGREENHALGH.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/IPQM.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/IPQMCISNE.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/naesaopaulo.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NDCCAlteSaboia.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/ndccgarciadavila.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NEBRASIL.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NHOAMORIMDOVALE.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NHOCruzeirodoSul.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NOCANTARES.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NPaMACAE.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NPaOcAMAZONAS.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NPaOcAPA.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NPaOcARAGUARI.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/NPoAlteMaximiniano.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/nvecisnebranco.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/subtamoio.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/SUBTAPAJOS.zip https://www.mar.mil.br/dhn/chm/cartas/download/cartasbsb/cartasenc/SubTimbira.zip
http://www.cioh.org.co/derrotero/index.php?option=com_content&view=article&id=56&Itemid=54
http://www.cioh.org.co/index.php/productos-y-servicios-hidrografia/
http://www.cioh.org.co/index.php/productos-y-servicios-hidrografia/cartas-nauticas-hidrografia
OpenSeaMap/OpenStreetMap (GARMIN / img)
http://www.wosoft-ware.de/digitale-binnenkarten/ (NAVICO / AT5)
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http://www.cioh.org.co/index.php/productos-y-servicios-hidrografia/productos-disponibles-a-la-venta-hidrografia
http://www.cioh.org.co/hidrografia/enc/cartas/lista_disponible.php?disponible=onstock
http://www.cioh.org.co/hidrografia/enc/cartas/lista_disponible.php?disponible=offstock
http://webapp.navionics.com/?lang=en (online viewer)
http://www.chartworld.com/ (retailer)
http://www.nv-pedia.de/ (online viewer)
http://www.hydro.gov.au/software/products/products.jsp (commercial)
http://www.hydro.gov.au/seafarer/enc/enc-sample/enc-sample.htm
http://www.linz.govt.nz/hydro/charts/digital-charts/encs
http://www.linz.govt.nz/hydro/charts/digital-charts/nzmariner
http://data.linz.govt.nz
http://www.linz.govt.nz/hydro/ntms