Port State Control

Definitions #

A system where port authorities inspect foreign ships to ensure they meet safety, security, and environmental standards.

Technical A regulatory measure allowing a coastal state to verify a ship's compliance with international conventions (SOLAS, MARPOL, STCW) and detain deficiencies.

Etymology #

From 'port' (harbour) and 'state' (nation) plus 'control' (regulation).

Collocations #

PSC inspection 港口国监督检查
detention risk 滞留风险，因缺陷被滞留

Real Business Examples #

The vessel was detained after a Port State Control inspection uncovered multiple safety deficiencies on the firefighting equipment.
A spot check by Port State Control found the ship's oily-water separator was faulty, leading to a port prohibition.

Register & Variants #

Register: formal
BrE/AmE: global

Common Errors #

Confusing Port State Control with flag state inspection. PSC targets foreign ships in a port; the flag state inspects its own ships.

Confusable Terms #

Flag State Control vs Port State Control: Flag State is responsible for the ship's compliance under its flag, while Port State is for ships of other flags.

Frequently Asked Questions

Can Port State Control procedures affect a ship's operation??

Yes, if serious deficiencies are found, the captain may be restricted from sailing until they are corrected.

Are PSC inspections random??

Usually they are risk-based, with certain types of vessels subject to more frequent checks.

Published: 2026-10-04 Category: Shipping