One Fathom Bank (2°53'N., 100°59'E.) is a detached patch, with depths from 3 to 10m, which extends 5 miles in a NW direction reaching 1 mile in width. One Fathom Bank Light is situated 0.6 mile from the SE extremity of the bank.
A stranded wreck is situated about 0.7 mile NW of the light.Caution.—
Vessels are advised not to navigate within 0.5 mile of One Fathom Bank Light due to unlit obstructions.
An IMO-adopted Traffic Separation Scheme (TSS) has been established in the vicinity of the One Fathom Bank in conjunction with the adoption of the Strait of Malacca and Singapore Routing System.