Admiralty Chart 4912: Point Conception to Point Piedras Blancas andipárou These specialised charts display isogonic

These specialised charts display isogonic lines (lines of equal magnetic variation) and annual rates of change

Imray publishes other chart ranges for different waters: the C Series for Britain

this book brings together a wealth of factual information from respected sources such as the IMO

Fisherrow (1 : 12

river and harbour from Milford Haven in Wales to St Ives in Cornwall via Lydney and Bristol

Admiralty Chart 4912: Point Conception to Point Piedras Blancas andipárou These specialised charts display isogonicAn official Admiralty Standard Nautical Chart (SNC), printed on demand on quality, watermarked chart paper directly from the UKHO's latest digital files. Each chart includes all available corrections up to the date of printing, ensuring you receive the most up to date data for safe passage planning and navigation. About Official UKHO Admiralty Charts Admiralty Standard Nautical Charts (SNCs) are the world's most trusted and widely used official paper