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Extended Operational and Trade Vocabulary

Port State Control Regimes, MoUs, and Inspection Systems glossary (page 2)

Terminology of port State control: the regional memoranda of understanding such as the Paris, Tokyo, Abuja and Vina del Mar agreements, access-refusal sanctions for repeat detentions, information systems like APCIS, additional and unscheduled inspections, and the flag-State Administration concepts underpinning the global PSC inspection regime.

267 defined terms.

Showing 17 on this page (page 2 of 2).

U

USCG Port State Information Exchange (PSIX)
The publicly accessible US database of foreign-flag inspections and detentions.

V

Vetting Inspection
Tanker SIRE or CDI inspection on behalf of charterers.
Vina del Mar Agreement
Latin American PSC arrangement.
VIQ (Vessel Inspection Questionnaire)
The OCIMF SIRE questionnaire used in tanker vetting, distinct from but often aligned with PSC checks.

W

Warning Letter
A Paris MoU communication to flag and owner indicating that a ship is approaching banning thresholds.
Western African PSC Programme
Capacity-building under the Abuja MoU supported by IMO technical cooperation.
White list
Top performance category in the Paris MoU and Tokyo MoU flag performance lists.
Window Close Date
The latest date by which a ship must be inspected before it becomes Priority I.
WindowOpen Date
The earliest date on which a ship may be inspected under the NIR.
Witness Inspection
A combined inspection where two PSC authorities co-attend, often during PSCO training.
WMU (World Maritime University)
The IMO university in Malmo, Sweden, providing PSC officer education at the postgraduate level.

X

XO Code
Not a PSC term as such, but PSC reports cross-reference "expert opinion" notes for complex deficiencies.

Y

Year of Detention
The calendar year in which a detention occurred, used for performance list calculations.
Yokohama
Sumitomo Electric submarine cable plant site since 1936, producing modern fiber cable for NEC system orders.

Z

Zeebrugge
Belgian port with major ro-ro, container, and LNG terminals.
Zero tolerance
PSC approach applied to specific deficiency types, such as falsified oil record book entries, leading to immediate detention.
Zone of Compliance
An informal term for the threshold a ship must clear (deficiency rectification) before sailing after detention.