1.Lingjiang Hangdao is narrow,crooked,dotted with numerous banks and shoals,and with bridges over it,the depths are liable to change. Mariners should navigate with caution.
2.Most of the protruding spurs in different sections of Ling Jiang have extending rocks,in front of which are generally deep ponds. The spurs should be given wide berths.
3.Within Ling Jiang water area,vessels of 300t and above,idle vessels of 500t or vessels carrying hazardous cargo are prohibited from navigating at night.