An instrument which measures the effective terrestrial radiation. See Angstrom pyrgeometer.

The Captain of a vessel. Highest officer aboard ship. Oversees all ship operations. Keeps ships records. Handles accounting and bookkeeping. Takes command of vessel in inclement weather and in crowded or narrow waters. Handles communications.

A fix taken by visually observing the location of known landmarks.

In the US, the period between the time a policyholder makes an insurance claim and the time it is.

Short Range Certificate (radio)

The statement that the viscosity of air is independent of the density of air.

A support fixed on the front part of a chassis (which is retractable); used to support the front end of a chassis when the tractor has been removed.

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

The level at which ice crystals and snowflakes melt as they descend through the atmosphere.

A cap for the top of the mast.

The unit price and quantity to which it applies as specified in a rate schedule or contract.

Same as instrument shelter.

The operation of taking a sounding with the hand lead (to find bottom).

The highest continuous deck which runs the full length of the ship without a fall or interruption.

Secure hatches and loose objects both within the hull and on deck.

The natural, convective movement of air or water due to differences in temperature. In solar passive design a thermosyphon collector can be constructed and attached to a house to deliver heat to the home by the continuous pattern of the convective loop (o ...

Close Circuit Tele Video. Method of inspecting the underwater part of the ship while recording a Video at the same time.

Decision support system

Noise of less than one second's duration which occurs as an isolated event, or as one of a series of events with a repeat it ion rate of less than 15 times per second .

A federal agency established in 1933 to develop the Tennessee river valley region of the southeastern U.S., and which is now nation's largest power producer.