Send us your solution to the latest boating conundrum

You are on the first leg of your summer cruise along the coast from your home base. That morning the forecast was fine for today but poor for tomorrow, so you have decided to push on while you can. As a result you are approaching an unfamiliar, busy commercial port with a narrow harbour entrance after nightfall. It is now cloudy and very dark. Your crew are tired after a long day and keen to get in.

The navigational lights of the port are difficult to see against the bright backdrop of the local town, but thanks to your chart plotter you are confident of your position. The radar is serviceable and you have back-up paper charts available under the helm seat. As you approach the cardinal mark at the beginning of the approach channel, the plotter fails. What now, skip?

Send your answers to paul_ashton@ipcmedia.com .