[meaning]

Sediment & Water (formerly BS&W)

A plot showing the relationship of stress, S, and the number of cycles, N, before fracture in fatigue testing.

Prefix before a ship's name to indicate that she is a steamship.

Abbreviation for:- Sight draft.- Sea damage.

Starboard Aft

A metal rod placed in a water heater tank to protect the tank from corrosion. Anodes of aluminum, magnesium, or zinc are the more frequently metals. The anode creates a galvanic cell in which magnesium or zinc will be corroded more quickly than the metal ...

Reduction of corrosion of a metal in an electrolyte by galvanically coupling it to a more anodic metal; a form of cathodic protection.

A block of wood or a bracket attached to a spar to support another spar attached to it.

Society of Automotive Engineers.

Special Attendance Fees.

A device worn around a person's body that can be tethered to jack lines to help prevent a person from falling overboard.

(1) Any pin that is used to prevent a fitting from falling open. (2) A pin used to keep the anchor attached to its anchor roller when not in use.

An automatic pressure relieving device actuated by the static pressure upstream of the device, which opens in proportion to the increase in pressure over the opening pressure.

A device that limits fluid (liquid and gaseous) pressures by discharging some of the pressurized liquid or gas.

When from some cause a vessel's form is so altered that the ends of the keel are much above the level of its midship portion, it is said to be "sagged." The opposite of hogged.

A large piece of fabric designed to be hoisted on the spars of a sailboat in such a manner as to catch the wind and propel the boat.

System to Automate and Integrate Logistics.

The shape of a sail, with regard to its efficiency. Controls such as the cunningham, boom vang, outhaul, traveler, halyards, leech line, sheets, and the bend of the mainmast all can affect sail shape. Also sail trim.