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SP

Safe Port

Category:Abbreviations

River Service in Brunei, Sabah and Sarawak

Category:Abbreviations

A pulpit located on the stern.

Category:Sea Words

The maximum rate at which precipitation can pass through the surface into the soil, for a given soil in a given condition.

Category:Meteorology

PMU

Portable Measurement Unit

Category:Abbreviations

A device for measuring the height of tide. It may be simply a graduated staff in a sheltered location where visual observations can be made, or it may consist of an elaborate recording instrument (sometimes called a marigraph) making a continuous graphic ...

Category:Meteorology

Also known as the square knot, it is formed by two half hitches in which the ends always fall in line with the outer parts. This knot is used to loosely tie lines around the bundles of sail that are not in use after reefing.

Category:Sea Words

Wind blowing from off the shore.

Category:Sea Words

Anchor pattern on a surface produced by abrasive blasting or acid treatment.

An instrument used to measure the water vapor content of the air.

Category:Meteorology

Cylindrical Fire-Tube Boiler Survey

Category:Abbreviations

The rank held by a naval seaman.

Category:Sea Words

These are state government agencies responsible for the regulation of public utilities within a state or region. A state legislature oversees the PUC by reviewing changes to utility laws, rules and regulations and approving the PUC's budget. The commissio ...

Category:Energy Terms

Heat treatment carried out in steel to reduce internal stresses.

Two navigational aids separated in distance so that they can be aligned to determine that a boat lies on a certain line. Transits can be used to determine a boat's position or guide it through a channel. Also called a range.

Category:Sea Words

Center

Category:Abbreviations

In a system of moist air, the dimensionless ratio of the mass of water vapor to the total mass of the system.

Category:Meteorology

A timber or rib of a ship running from the keel to the side rail; the transverse strengthening members in a ship's hull that extend from the keel to the deck or gunwale. The frames form the shape of the hull and act as a skeleton on which the hull plankin ...

Category:Sea Words

The strokes on the ship's bell to mark the passage of time. The passage of time in each watch is marked by the bell every half-hour.

Category:Sea Words

Place where cargo is transferred to another carrier.

Category:Sea Words