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Seafarer Index
United Kingdom flag

🇬🇧 United Kingdom

ISO GBR / GB

Regulatory

MLC 2006
ratified (2013-08-07)
Paris MoU rating
white
Tokyo MoU rating
white
USCG Qualship 21
listed
ITF FoC
not listed

Registry

Vessel count
1,300
Deadweight
22
Administration
Maritime and Coastguard Agency (MCA)
File a complaint
Official form

UK Ship Register; QUALSHIP21 holder

Compliance history

Country context

Population
69,487,000 (2025)
GDP per capita
$57,602 (2025)
Income group
High income
Region
Europe & Central Asia

Source: World Bank Open Data.

What this means for seafarers

  • MLC 2006: This flag has ratified MLC 2006. Vessels must hold a valid Maritime Labour Certificate + DMLC Part II posted onboard. You can file an MLC complaint via the flag administration.
  • Port-state-control profile: high-performing flag — fewer detentions on average. Read about PSC regimes →
  • STCW: Party to STCW. Verify a CoC issued under this flag at the flag's verification portal.

See also: flag risk explained · MLC ratification list · white/grey/black lists.

Notable historic incidents under this flag

  • MSC Napoli (2007, English Channel)
    The UK-flagged 275m Post-Panamax container ship MSC Napoli developed serious hull cracking in Force-9 seas in the English Channel on 18 January 2007. The Master called for salvage;…
  • Herald of Free Enterprise (1987, Zeebrugge) · 193 killed
    The Townsend Thoresen ro-ro ferry Herald of Free Enterprise left Zeebrugge for Dover on 6 March 1987 with her bow visor doors still open. The assistant bosun responsible for closin…

See also the full maritime-disasters archive.

Reference

  • III Code — the IMO flag-state audit scheme measuring implementation of IMO instruments.
  • Port state control — how United Kingdom-flagged ships are inspected + detained in foreign ports.
  • Minimum safe manning — the SOLAS V/14 basis for United Kingdom's manning documents.
  • Marine cyber incidents — case studies + the IACS UR E26/E27 cyber-resilience regime.

Verification & complaint routes

Ships flying United Kingdom

Companies headquartered in United Kingdom

Ports in United Kingdom

All ports in United Kingdom →

United Kingdom flag: FAQ

Is the United Kingdom flag safe for seafarers?
The United Kingdom flag holds a strong port-state-control (PSC) reputation across both Paris MoU and Tokyo MoU regimes. It has ratified MLC 2006, which gives seafarers the international right to inspection and complaint. A safer flag does not mean every vessel is safe — operator + classification society still drive day-to-day conditions.
Has United Kingdom ratified the Maritime Labour Convention (MLC 2006)?
Yes — United Kingdom has ratified MLC 2006 (ratified 2013). Seafarers serving on United Kingdom-flagged vessels are entitled to make MLC complaints through the flag administration, port state, or seafarer welfare organisations such as the ITF.
How do I file a complaint against a United Kingdom-flagged vessel or operator?
Complaints can be lodged with the Maritime and Coastguard Agency (MCA) via their official complaint procedure. Under MLC 2006, complaints may also be lodged with the port-state authority of any MLC-ratified port. The ITF and seafarer welfare organisations (Mission to Seafarers, Stella Maris, Sailors' Society) can advocate on your behalf. Keep contract, wage records, and seaman's book ready.
What port-state-control rating does United Kingdom have?
Paris MoU rating: white. Tokyo MoU rating: white. PSC ratings classify flags by inspection and detention history. White / low-risk flags face fewer PSC inspections; black / high-risk flags face more frequent inspection and a higher detention rate.
Is United Kingdom on the ITF Flag of Convenience (FoC) list?
No — United Kingdom is not currently on the ITF Flag of Convenience list. Seafarers retain general ITF-channel access for advocacy and abandonment response regardless of FoC status.

Compare United Kingdom with another flag

Put two or three flags side-by-side on the comparison tool.

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High confidence

Editorial confidence: how we grade. Data sources and methodology: /sources.

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