COLREG Rule 9(a) has become the regulations that govern navigation in confined waters: “A vessel proceeding alongside the training course of a narrow channel or fairway shall retain as near for the outer Restrict on the channel or fairway which lies on her starboard facet as is safe and practicable”. https://ztndz.com/story17300702/security-guard-in-qatar-can-be-fun-for-anyone