The Ridersmate eCall Marine working prototype to report a "Man Overboard Alert" automatically to a central emergency service centre with details on the incident. The start-up Ridersmate was hosted at ESA Business Incubation Centre UK - ESA BIC UK - to develop their eCall Marine system. The start-up graduated 1 August 2018 after 18 months support at the centre.
More about the eCall Marine system in this video on youtube.