Port and Tanker Safety Act.

Lifeboat stations

Preventive Machinery Maintenance system.

Geological Survey Ship.

Intermediate Survey or Interval

Marine Protection Area

High Pressure Turbine

Public Law

Ship Tracking and Retrieval System

London Institute of Shipping and Transport

Special Material

Society of Naval Architects and Marine Engineers

Large Unit Financial System.

International Salvage Union

Incident Reporting Information System

International standard serial number

Surface Nexus Underwater Breathing Apparatus

Federal Maritime Commission.

Bale (Capacity)

Storage Tanks Tax