Using crowdsourcing to improve navigational safety
![](https://ukhodigital.blog.gov.uk/wp-content/uploads/sites/223/2019/01/ADMIRALTY-H-Note-Application-620x413.jpg)
We work with a range of data suppliers to ensure our charts contain the latest safety information. One of these suppliers is the mariners themselves, sending crowdsourced information via our H-Note App.