Communication between the bow (the location of the windlass and anchor chain) and the bridge is strictly standardized using a clock-face reference to indicate the of the chain relative to the ship's bow.
: The windlass is engaged, and the brake is released. The "U" flag may be hoisted to signal the operation. Anchors Up
: The windlass pulls the chain in. The deck officer reports the number of "shackles" (standard lengths of chain) as they come on board. Communication between the bow (the location of the
: The chain is stretched out at an acute angle to the seabed, under significant tension. : The windlass pulls the chain in
: Once the anchor is visible, it is reported as "Anchor clear of water" to ensure no debris or other cables are fouled (tangled) in it.
Raising the anchor requires coordinated efforts between the Cable Party and the Navigation Officer (N/O).
: The chain is leading straight ahead of the bow.