Anchor Cable

A heavy-duty rope, chain, or wire used to secure a vessel to its anchor, ensuring it remains stationary in the water.

An anchor cable is a critical component of a vessel’s anchoring system, designed to connect the anchor to the ship or boat securely. Traditionally, these cables were made of natural fibre ropes, but modern anchor cables are typically constructed from galvanised steel chains or high-strength synthetic materials, depending on the size and type of the vessel. The cable must be robust enough to withstand the forces exerted by wind, currents, and waves, which can place significant strain on the anchoring system. 

Anchor cables are measured in “shackles” in the UK, with one shackle equating to 27.43 metres (15 fathoms). The length of cable deployed is crucial for effective anchoring; it is generally recommended to use a length of cable that is at least three to five times the depth of the water. This ensures the anchor lies flat on the seabed, allowing its flukes to dig in and hold securely. 

The cable is typically stowed in a chain locker when not in use and is fed through a hawsepipe to the anchor. On larger vessels, a windlass or capstan is used to manage the cable during anchoring operations. Regular inspection and maintenance of the anchor cable are essential to ensure its integrity, as corrosion, wear, and damage can compromise its performance and safety.