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

A blue ensign being worn by a yacht

Do you know the rules for wearing a blue ensign? Do you know who is entitled to wear a privileged ensign? What happens when a yacht with a privileged ensign…