Too heavy aloft.

Lights required to be shown on boats underway between sundown and sunup.

A propeller at the lower sea-covered part of the bow of the ship which turns at right angles to the fore-and-aft line and thus provides transverse thrust as a maneuvering aid. A propulsor installed near the bow to provide a transverse thrust component en ...

A draft that matures either a certain number of days after acceptance or a certain number of days after the date of the draft.

One complete turn of the line around a cleat, spar or another line.

A short spar under the cap of the bowsprit used for holding down a jib boom.

(1) A small wooden cask in which grog was carried. (2) A type of marine steam reciprocating engine where two engines were used together on the same propeller shaft.

Is the temperature at the inlet flange of the compressor.

Forcing material into the seams of the planks in a boat's deck or sides to make them watertight; the material itself. Oakum was once the material used for this purpose, and was then sealed with hot pitch to prevent it from rotting. Today there are polymer ...

A void or empty space separating two or more compartments for the purpose of insulation, or to prevent the liquid contents of one compartment from entering another in case of a leak.

The man stationed aloft or in the bows for observing and reporting objects seen.

A liquid piston compressor is a rotary compressor in which a vaned rotor revolves in an elliptical casing, with the rotor spaces sealed by a ring of liquid rotating with it inside the casing.

An opening in a deck, cockpit, toe-rail or gunwale to allow water to run off the deck and drain back into the sea.

The part of a ship's rigging which is permanently secured and immovable; e.g. stays, shrouds, etc.

A set of four twistable bayonet type shear keys used as part of a spreader to pick up a container or as part of a chassis to secure the containers.

To calculate your position using time, the position of celestial bodies, and mathematical tables. Position is determined by measuring the apparent altitude of one of these objects above the horizon using a sextant and recording the times of these sighting ...

The lower yard on a mizzen mast of a square-rigged ship.

The general preparation of a vessel to make ready for the sea in all respects.

A draft that matures on a fixed date, regardless of the time of acceptance.

Voyage made in varying directions. To sail in various directions for pleasure, in search, or for exercise.