A reflecting type telescope with a 45

NEXt Generation RADar. A NWS network of about 140 Doppler radars operating nationwide.

National Fluid Power Association.

Non free trade zone

Nested Grid Model generated every 12 hours by NCEP.

Negotiating Group on Maritime Transport

Non-Governmental Organization.

AMMONIA (Anhydrous). Gas usually carried by LPG tankers at about -50 deg.c. Lighter than air, it is easily escaping from any openning and be highly dangerous to inhale in great uantity. Reacting violently with water. All degrees centigrade: Boiling point: ...

Nautical Institute. Organization founded in 1971 located in London which promotes high professional standards among deck officers.

Newly Industrialized Country

"NiCd" refers to a battery that contains nickel cadmium as its chemical base; other abbreviations include "NiCad" and "Nicad." It is the first type of portable rechargeable battery produced and is still widely in use in power tools and cameras. ...

Nautical Institute Headquarters, London

"NIMH" refers to nickel metal hydride; it's an updated and better version of a NiCd battery. It has more power and doesn't need to be fully discharged regularly, unlike a NiCd battery. It operates well in digital cameras, motorized children's toys and cor ...

NPFC Integrated Management System.

A remote indicator for wind speed and direction used in conjunction with a contact anemometer and a wind vane. The indicator consists of a center light, connected to the contact anemometer, surrounded by eight equally spaced lights which are individually ...

A conically shaped, copper rain gauge shield.

Said of a vessel when caught between ice on both sides.

A short length of line, usually braided or marled, used to temporarily bind the anchor cable to the messenger when the anchor is weighed by hand around the capstan.

Newly Independent States

Introducing nitrogen into the surface layer of a solid ferrous alloy by holding at a suitable temperature (below Ac1 for ferritic steels) in contact with a nitrogenous material, usually ammonia or molten cyanide of appropriate composition. Quenching is no ...