Skipper’s Cockpit Navigation Guide book jacket

Skipper’s Cockpit Navigation Guide is useful for crew members of different abilities and a useful aide-memoire for everyone on board, particularly if some systems are unfamiliar, says Julia Jones

With a tidal stream of 4 knots, would you set off on port or starboard tack from the Needles to Cherbourg? Credit: Graham Snook/Yachting Monthly

There is a strong tidal stream. Would you set off on a port or starboard tack? James Stevens answers your questions of seamanship

the Orca co-pilot supports wireless internet connectivity. Credit: Orca

The new Orca-co-pilot promises to go further than MFDs and chartplotters by displaying charts automatically, finding routes and notifying the user of weather changes and challenging situations