A device for measuring sea-surface waves. It consists of a weighted pole below which a disk is suspended at a depth sufficiently deep for the wave motion associated with deepwater waves to be negligible. The pole will then remain nearly as if anchored to ...

A pipe lead-in for anchor chain through ship's bow.

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

In the US, the amount (normally fixed) which a policyholder is obliged to pay prior to an.

Abbreviation for "With Particular Average."

Carefully (watch what you're doing).

The direction to which a compass points. Magnetic north differs from true north because the magnetic fields of the planet are not exactly in line with the north and south poles. Observed differences between magnetic and true north is known as magnetic var ...

The nautical mile is closely related to the geographical mile which is defined as the length of one minute of arc on the earth's equator. By international agreement, the nautical mile is now defined as 1852 meters.

A temperature telemeter.

The wind speed and direction in an undisturbed flow.

In general, any object that reflects incident energy. Usually it is a device designed for specific reflection characteristics.

Merchant Marines Document (USCG)

An outflow of funds from an account with a bank or financial institution. For example: When a.

Securities which are considered to be more stable in price in a market where prices are.

An instrument for determining the direction of cloud motion. There are two basic designs of nephoscope, the directvision nephoscope and the mirror nephoscope.

Structural pieces running fore and aft between the beams.

A device for converting mechanical energy to electrical energy.

The stage on a fixed river gauge at which it is necessary to begin issuing warnings or river forecasts if adequate precautionary measures are to be taken before flood stage is reached.

U.S. Customs' automated program under AMS. It allows for electronic reporting of inbound (foreign) cargoes in the U.S.

The potential of a reversible oxidation-reduction electrode measured with respect to a reference electrode, corrected to the hydrogen electrode, in a given electrolyte.