A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound one prolonged blast.
Inqanawa esondela egopheni okanye indawo enomjelokazi onciphileyo okanye kwindlela yenqanawa apho ezinye iinqanawa zingafihlwa zizithinteli ezingenelelayo mazibethe isithonga esinye eside.