Main Bearing

Outboard.

Free On Warf

National Response Center

International System of Units

Society

Main Bearing.

Inert Gas

Line of Position

Reversing.

Curacao Oil Terminal

Central Standard Time

Subcommittee on Safety of Navigation (IMO)

National Contigency Response.

Inert Gas System.

Continuous Hull Survey.

Subcommittee on the Carriage of Dangerous Goods, Solid Cargoes, and Containers (IMO)

Intact Stability Code (IMO)

Independent Tank

Pounds Per Square Inch