Sailing at night - what the hell is that?
Part of my sail training was to be able to recognise differenet types of vessels, their direction of travel etc. at night. This is done by decoding the various different light patterns the vessel has on display. Here is my favorite one:
This is one you really want to avoid,it’s a Minesweeper, less than 50m long, seen from ahead, under way, coming straight for you!!!