Yachting Monthly 0shares Updating your instruments, and the data you can see on them, needn't cost the earth. Sam Fortescue investigates how to upgrade your boat's tech without spending a fortune Older boats have instruments of varying ages. Getting old to talk to new isn't straightforward. Credit: Graham Snook/Yachting Monthly All but a hardy bunch of self-confessed minimalist sailors would probably agree that they would like to modernise their boat by adding some extra electronics. A shiny new multifunction display, perhaps, or an ultrasonic anemometer at the masthead; maybe a digital tank-level sensor or an engine monitor. As data has expanded, so has its potential to keep you safer at sea.