A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

To watch a vessel at anchor at the turn of tides, and cast her by the helm, and some sail if necessary, so as to keep turns out of her cables.

The course of a vessel after magnetic variation has been considered, but without compensation for magnetic deviation.

To leave a ship without authority (deserting).

A rope net to catch the jib when it is lowered.

A document prepared by the captain of a vessel on arriving at port; shows conditions encountered during voyage, generally for the purpose of relieving ship owner of any loss to cargo and shifting responsibility for reimbursement to the insurance company.

Pressure dew point temperature (

A boat that has rolled so that she is lying on her side or even rolled completely over (can be caused by a sudden gust or squall). A boat with appropriate ballast should right herself after being knocked down.

To prevent contact with an object while bringing the ship alongside.2. To push off when making a landing.

A sighting taken for celestial navigation at noon, when the sun is at its highest point in the sky.

An absolute temperature scale. The kelvin unit of thermodynamic temperature, is the fraction 1/273,16 of the thermodynamic temperature of the triple point of water. The triple point of water is the equilibrium temperature (0,01

A watch tackle (small, handy block and tackle for general use).

An absolute temperature scale. ((

Cargo landed in excess of the quantity on manifest.

United Nations EDI for Administration, Commerce and Transport. EDI Standards are developed and supported by the UN for electronic message (data) interchange on an international level.

A term used to describe the hot gas pressure on the outlet side of the refrigeration compression.

To stand at the mast and pull down on a halyard as another crewmate winches it in.

Maintains and monitors radio, sends and receives messages. Often maintains electronic navigation. Latest replaced with certified GO (Deck officer)

To untie.