Parts Per Million

Partly Protected Water Service in Philippines.

Payroll.

(See PRS)

Public Resolution which requires that U.S. Government financed cargoes (Eximbank) must be shipped 100% in U.S. flag ships, but that the requirement may be waived up to 50% in some cases.

Peoples Republic of China.(flag)

National Preparedness for Response Exercise Program.

Pressure

Propeller

Propeller.

Provisional

Provisional.

Potentially Responsible Party.

Polish Register (Class Society)

Polish Register of Shipping.Classification societies. In 1997 it was rejected from the IACS group on a claim of low standard.

Passenger Ship.

Port State Control

Port State Initiative (U.S. Coast Guard)

Pounds Per Square Inch

Port State Information Exchange.