A chart plotter on a boat

July's Garmin outage left Navionics customers unable to access online services including downloading charts. We talk to the cyber security firm Red Sky Alliance about the safety of online navigation…

A skipper in a red jacket comparing paper and electronic charts while passage planning

We tend to consider paper charts the most reliable means of passage planning, but both electronic and paper options offer different useful features, as Bruce Jacobs explains

James Stevens answers your questions of seamanship - this month, what should you do when the buoys you see don't match the chart?