Admiralty Magnetic Variation Chart 5377: North Pacific Ocean - 2025 and Annual Rates of Change Folds:Folded this precision instrument is a

this precision instrument is a must-have for accurate and efficient chart work

The soon to be adopted ‘In the Corsica Channel’ Traffic Separation Scheme is shown

legal frameworks and practical tools such as the hydrometer

the cliffs and anchorages around Cabo de Gata

The Weems & Plath 18" Aluminium Arm Parallel Rule is a favourite among sailors

Admiralty Magnetic Variation Chart 5377: North Pacific Ocean - 2025 and Annual Rates of Change Folds:Folded this precision instrument is aAn official Admiralty Magnetic Variation Chart, printed on demand on quality, watermarked chart paper directly from the UKHO's latest digital files. Each chart includes the most recent magnetic variation data and annual rates of change for accurate compass correction and navigation. About Admiralty Magnetic Variation Charts Admiralty Magnetic Variation Charts are essential reference tools produced by the UKHO showing the angular difference between