G1D Radio transmission designatorPhase modulation with a single channel containing quantized or digital information without the use of a modulating sub-carrier for data transmission. (ALRS)

Mandates that 50 percent of government impelled cargoes be carried under U.S. flag. Known as the 50/50 shipping law.

Inflation Adjustment Factor.

Not Applicable

Weight or Measurement

Starboard Aft

In marine insurance this phrase applies to a ship which is free from its moorings and ready to sail.

Barge Equipped with Heavy Crane.

International Association of Ports and Harbors

Main

The transducer's output when the maximum sensed value is applied to the transducer's input. For example, the F.S. output of a 4-20 mA transmitter is 20 mA, whereas its span is only 16mA.

Stairway of inclined or vertical steps on board ship.

Environmental Coordinating Committee.

Unanimous Consent

The main indicator of stock market performance in Hong Kong based on 33 companies. The index is.

International Association of Lighthouse Authorities

Towing and Salvage Purposes.

A discharge limit applied to manufacturing and commercial establishments in which only normal human sanitary wastewaters may be discharged to the municipal sewerage system. All other types of wastewater, such as that water used in manufacturing processes, ...

The structure of metals as revealed by macroscopic examination of the etched surface of a polished specimen.

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