When vessels in sight of one another are approaching each other and from any cause either vessel fails to understand the intentions or actions of the other vessel, o is in doubt whether sufficient action is being taken by the other to avoid collision, the vessel in doubt shall immediately indicate such doubt by giving at least five short and rapid blasts on the
Xa iinqanawa ezibonanayo zisondelelana, nangawuphina unobangela mhlawumbi inqanawa ayikwazanga ukuqonda imigudu yenye inqanawa, okanye ayiqinisekanga nokuba imimiselo eyaneleyo iqwalaselwe na yenye inqanawa ukunqanda ukungqubana, inqanawa engaqinisekanga mayibonise ngoko nangoko ukungaqiniseki ngokunika ubuncinane imilozi emihlanu kwakunye nezithonga ezingxamileyo zilandelelana.