COLREG Rule 9(a) is among the restrictions that govern navigation in confined waters: “A vessel proceeding along the study course of a slim channel or fairway shall keep as around to the outer limit with the channel or fairway which lies on her starboard aspect as is safe and practicable”. https://manned-security-services78999.alltdesign.com/security-guard-in-qatar-can-be-fun-for-anyone-42218051