Navigation and Vessel Inspection Circular (USCG).

Non-Vessel Operating Common Carrier.

National Vocational Qualification.

New York Mercantile Exchange

New York Society of Maritime Arbitrators

Organization of Economic Cooperation and Development, headquartered in Paris with membership consisting of the world's developed nations. Office of Global Maritime Situational Awareness (OGMSA)It is the United States initiative to establish a world–wid ...

Overtime.

On-Board Quantity (before loading)

OBServation.

Oil-Lubricated Stern Bearing, Continuous Liner on Tailshaft

1.Ore Carrier.2.Oil-lubricated stern bearing, continuous liner on tailshaft.3.Optical character recognition.

Operations Control Centre (INMARSAT)

Oil Companies International Maritime Forum

Outer Continental Shelf

Ocean Drilling Program

Operating Differential Subsidy: A direct subsidy paid to U.S.-flag operators to offset the high operating cost of U.S.-flag ships when compared to foreign-flag counterparts.

Operating Differential Subsidy Agreement

Organization for Economic Cooperation and Development. The Maritime Transport Committee is part of this organization. Office of Global Maritime Situational Awareness (OGMSA)It is the United States initiative to establish a world–wide maritime information ...

Offshore Engineering Department.

Original Equipment Manufacturer. An original equipment manufacturer, or OEM, manufactures products or components that are purchased by another company and retailed under that purchasing company's brand name.[OEM refers to the company that originally ma ...