An inspection cover or port in an air receiver tank.

A wind coming from the east.

Is the ratio of the polytropic compression energy transferred to the gas to the actual energy transferred to the gas.

A line drawn to indicate both the direction and magnitude of a force, such as leeway or a current.

Board, bearing instructions, that comes to a wrecked ship with a life-saving rocket line.

Time and date for payment of a draft.

Nautical slang for the spirit of the sea, usually in the form of a sea devil. Davy Jones's Locker is the bottom of the sea, the final resting place of sunken ships, articles lost or thrown overboard, and of men buried at sea.

The part of the upper deck which is abaft the mainmast, or in that general location of a ship without one. The quarterdeck was normally reserved for officers.

(1) The rolled up part of a sail, tied with the reef lines, that is used to reduce sail area for heavy winds; To reduce the sail area. (2) A group of rocks or coral generally at a depth shallow enough to present a hazard to navigation.

Said of wind when exactly ahead; and of another vessel when her fore and aft line coincides with observer's line of sight.

Location where shipment begins its movement.

Structural pieces running fore and aft between the beams.

A piece of trim, usually wood, used to cover and often decorate a portion of the boat, i.e., caprail.

Packages loaded on a pallet, in a crate or any other way that enables them to be handled at one time as a unit.

Additional thickness of planking on a wooden ship about her waterline to give the vessel more stability.

Tan work shoes issued to U.S. Maritime Service trainees

A type of clutch which has a spring loaded jaw or detented rolling element to control torque in an assembly tool.

Most ocean freight is billed on the basis of weight or measurement tons (W/M). Weight tons can be expressed in short tons of 2000 pounds, long tons of 2240 pounds or metric tons of 1000 kilos (2204.62 pounds). Measurement tons are usually expressed as car ...

Cargo discharged in excess of the quantity on the manifest.

A wearable device used to keep a person afloat. Also called a life jacket, life preserver, PFD or personal floatation device.