1: Emergency vehicles with blue lights, e.g. police, fire brigade, water rescue service
2: Passenger ships marked with a green ball, e.g.
liner shipping, wheel ferries and ships that are difficult to manoeuvre
3: Professional fishermen marked with a white ball or white flag
4: Sailing boats
5: Rowing boats
6: Electric boats
7: Motorboats
8: SUP, air mattress, surfers, kiters