Pertaining to measurements or devices in which the output vanes in discrete steps, i.e. on-off or pulse signals. Compare to analog.

Rapid Response Damage Assessment.

Descriptive treatment of fracture, especially in metals, with specific reference to photographs of the fracture surface. Macrofractography involves photographs at low magnification (< 25x); microfractography, photographs at high magnification (>25x)

A thermal spraying process in which the coating material is melted with heat from a plasma torch that generates a nontransferred arc: molten coating material is propelled against the base metal by the hot, ionized gas issuing from the torch.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

A positive displacement air compressor which has no oil injected into the compression chamber for lubrication, cooling or sealing

A system of physical units based upon the use of the meter, the metric ton (106 grams), and the second as elementary quantities of length, mass, and time, respectively.

France (Flag)

Pressure

Royal Institute of Navigation

Coasting Service in Argentina.

Liquefied Petroleum Gas

The capability of doing work; different forms of energy can be converted to other forms, but the total amount of energy remains the same.

The smallest self-contained, environmentally protected structure housing interconnected photovoltaic cells and providing a single dc electrical output; also called a panel.

Towards the sides of the vessel (with reference to the centerline).

A sturdy railing or elevated guard rail around the deck at the stern. also known as Pushpit

A guarantee issued by a bank, on behalf of a buyer that protects the seller against non-payment for goods shipped to the buyer. The buyer pays the seller directly for the goods and only if the buyer fails to pay does the seller claim under the Standby Let ...

See hook gauge.

Traditionally a ship's bell is made of brass and has her name engraved on it. It is used for striking the bells which mark the passage of time (see Bells) and is also used as a fog signal as an audible warning of a ship's position.

Lifts temporary quarantine of a vessel; granted pratique by Health Officer.