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Witherby Seamanship International

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  • $44.95
    Overview 96-page logbook for recording compass and gyro errors. Includes handy variation charts, as well as full-colour sky-at-night views of the main constellations with navigable stars highlighted. An easy to use Compass Error Book with tabulated pages. Includes both variation charts and colour...
  • $129.95 $199.95
    Overview  The ECDIS Continuous Professional Development Log has been designed to support the mariner through every stage of their career at sea, providing a practical, career-spanning record of shore and onboard ECDIS training. Divided into three clear sections, the log offers space to detail rec...