The convention that was not intended as a complete code of treaty law and questions that are not regulated by its provisions are governed by the rules of customary law.


Related Terms

N-P-K

The code identifying the components in a fertilizer mixture: nitrogen (N), phosphorus pentoxide (P), and potassium oxide (K). Fertilizers are graded in the order N-P-K, with the numbers indicating the percentage of the total weight of each component. For example, 5-10-10 represents a mixture containing by weight 5% nitrogen, 10% phosphorus pentoxide, and 10% potassium oxide. and a detector downstream measures the amount of decay of the resonance, thereby sensing fluid velocity.

HETERODYNE OSCILLATOR

1. A separate variable-frequency oscillator used to produce the second frequency required in a heterodyne detector for code reception. 2. See beatfrequency oscillator.

HETERODYNE DETECTOR

A detector in which an unmodulated carrier frequency is combined with the signal of a local oscillator having a slightly different frequency, to provide an audiofrequency beat signal that can be heard with a loudspeaker or headphones; used chiefly for code reception.

DOC

Document of Compliance under the ISM Code. Issued to the shipowner by the classification community after certification for compliance with the International Safety Management Code (ISM Code).

ISO SOLID CONTAMINANT CODE (ISO 4406)

A code assigned on the basis of the number of particles per unit volume greater than 5 and 15 micrometers in size. Range numbers identify each increment in the particle population throughout the spectrum of levels.

HAGUE RULES

A Code of minimum conditions for the carriage of cargo under a bill of lading

ASCII

Acronym for American Standard Code for Information Interchange, a standard method of representing alphanumeric characters with numbers in a computer

COLREGS DEMARCATION LINES

Lines delineating the waters upon which mariners must comply with the International Regulations for Preventing Collisions at Sea 1972 (72 COLREGS) and those waters upon which mariners must comply with the Navigation Rules for Harbors, Rivers, and Inland Waters (Inland Rules). The waters outside the lines are COLREGS waters. For specifics concerning COLREGS Demarcation Lines see U.S. Code of Federal Regulations, Title 33, Navigation and Navigable Waters; Part 82, COLREGS Demarcation Lines.

COORDINATED UNIVERSAL TIME (UTC)

The time scale that is available from most broadcast time signals. It differs from International Atomic Time (TAI) by an integral number of seconds. UTC is maintained within 1 second of UT1 by the introduction of 1-second steps (leap seconds) when necessary, normally at the end of Decem- ber. DUT1, an approximation to the difference UT1 minus UTC, is transmitted in code on broadcast time signals.

IMO-Class

Group of dangerous or hazardous goods, harmful substances or marine pollutants in sea transport as classified in the International Dangerous Goods Code (IMDG Code)

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