[meaning]

Measuring point for compressor acceptance test. Amount of condensate collected in the aftercooler.

Resistance to air flow; usually stated in inches H2O or PSI.

Abbreviation for:- Sight draft.- Sea damage.

The angle between the zenith and a heavenly body.

A synthetic polyester material.

Abbreviation for "Dangerous and Hazardous" cargo.

Used to indicated times measured in Coordinated Universal Time, a successor to Greenwich Mean Time. A time standard that is not affected by time zones or seasons.

A discharge limit applied to manufacturing and commercial establishments in which only normal human sanitary wastewaters may be discharged to the municipal sewerage system. All other types of wastewater, such as that water used in manufacturing processes, ...

National Committee on International Trade Documentation.

A chain or line (rope) bent to the anchor.

Sacrificial anodes placed on a vessel to prevent electrolysis of vital metal parts.

Similar to a centerboard, except that it is raised and lowered vertically in a trunk rather than pivoted. Like a keel, daggerboards are used to reduce leeway by preventing a sailboat being pushed sideways by the wind.

Time charter

Loaded aboard a vessel.

Blocks on which the keel of a vessel rests when being built, or when she is in dry dock.

Secondary forestay supporting the leading edge of the mast and used to flatten the mainsail in building winds.

[meaning]

Abbreviation for "Doing Business As." A legal term for conducting business under a registered name.

To back an anchor, is to carry out a smaller one ahead of the one by which the vessel rides, to take off some of the strain. To back a sail, is throw it aback. To back and fill, is alternately to back and fill the sails.