An urgent message used on a radio regarding the safety of people or property. A PAN PAN message is not used when there is an immediate threat to life or property, instead the MAYDAY call is used. PAN PAN situations may develop into MAYDAY situations. As w ...

The rate (in liters or gallons per minute, cubic meters or cubic feet per second, or other quantity per time unit) Air related flows are usually expressed in CFM, SCFM, ACFM, ICFM

Progress backwards.

A stationary element that may be adjustable and which directs the flow medium to the inlet of an impeller.

A dining room on a ship.

Let the sail out by easing the sheet.

Bank that opens a straight or negotiable letter of credit and assumes the obligation to pay the bank or beneficiary if the documents presented are in accordance with the terms of the letter of credit.

The tackle used for running guns in and out.

An expression of surprise or unbelief, as when a ship strikes a rock or shoal so hard that her timbers shiver.

a filter medium that retains contaminants primarily within tortuous passages.

A positive displacement type compressor.

Machines in which air or gas is compressed from initial pressure to an intermediate pressure in one or more cylinders or casings.

A knot used to fasten a line or cable to the anchor.

The joining of two timbers by beveling the edges so the same thickness is maintained throughout the length of the joint.

A business firm which sells its services to organizations which operate vessels

Carriers' practice of dividing revenue received from through rates where joint hauls are involved. This is usually according to agreed formulae.

An instrument designed to add lubrication into the compressed air line.

2,204.6 pounds or 1,000 kilograms.

Difference between minimum and maximum pressures for an air compressor. Also called cut in-cut out or load-no load pressure range.

The person or company who is usually the supplier or owner of commodities shipped. Also called Consignor.