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Published: 10 September 2026

UK Flag Registration from Turkey, Step by Step (Part I)

How does a yacht owner based in Turkey move to the British flag? Nine steps from the decision to the certificate, with who does what at each step and how long it takes.

Serkan Kotel · Yacht surveyor · IIMS · ABYC · MCA — the person who answers the phone, walks the boat and signs the report is the same person.

Related service: UK Flag Registration →

The British flag is the foreign flag most often chosen by yacht owners based in Turkey: recognition in ports worldwide, a mature registry law, and title (including mortgages) recorded on an official register. Below is the process in nine steps, from the decision to the certificate, with who does what at each step and how long it takes. We run the process as one package, but knowing the steps is what lets you compare offers.

Step 1 — Part I or Part III?

The UK Ship Register has two relevant parts.

  • Part I: the full register. International recognition, recorded title and mortgage, name reservation. No nationality requirement; registration is through a UK-incorporated company. From Turkey, this is the route.
  • Part III (SSR): the simplified register for vessels under 24 metres. Open only to UK residents, and it is not proof of title.

A wrong decision here wastes every later step. When you take an offer, ask which Part is proposed and why.

Step 2 — Forming a UK company

Whatever the owner’s nationality, a Part I entry is made in the name of a UK-incorporated company rather than the individual. Formation takes a few days; the boat becomes the company’s only asset. Company formation is part of our package, and the company’s annual obligations are handed over in writing at delivery.

Step 3 — Collecting the ownership documents

The registry wants to see the chain of ownership. The file contains:

  • Bill of Sale, or for a new boat the Builder’s Certificate; a Bill of Sale for each earlier change of hands
  • Identity documents and company documents
  • The vessel’s insurance policy
  • The registration certificate of the current flag, if any

The smallest inconsistency (engine serial number, length, the spelling of a previous owner’s name) sends the file back. This is the step that costs the most time; we check the documents before anything is submitted.

Documents checked one by one on board
The registry wants the chain of ownership on paper; an inconsistent serial number sends the file back.

Step 4 — Tonnage survey

A precondition of Part I registration is the tonnage measurement: the enclosed spaces of the vessel are measured to the MCA standard, gross and net tonnage are calculated and a tonnage certificate is issued. The measurement takes a day on board; the boat does not need to come out of the water. The certificate is signed by a surveyor holding MCA-framework measurement competence; the measurement and its certificate are in our package. Detail: tonnage survey.

Spirit level and tape work for a tonnage measurement on board
The boundaries of the enclosed spaces are measured one by one; gross and net tonnage are calculated from those values.

Step 5 — Name approval

The vessel’s name must be unique on the register; if another vessel carries the same name the request is refused, so the name is reserved before the application. The port of registry (London, for example) is chosen at this step; name and port will later be marked on the hull.

Step 6 — Radio licence and MMSI

The vessel’s communications identity is re-issued under the new flag: a radio licence is obtained and an MMSI number is allocated. VHF, AIS and EPIRB are programmed with it. The MMSI of the previous flag cannot be carried over; an MMSI never entered into the radio is one of the most common findings in our surveys.

Step 7 — The Part I application

The file (company documents, ownership documents, tonnage certificate, insurance, name approval) is submitted to the registry. With complete paperwork the registration completes in 3-6 weeks. Provisional registration is available while documents complete; the vessel keeps sailing throughout. UK government fees and taxes are included in our package.

Step 8 — Deregistration of the previous flag

A vessel cannot be on two registers at once. The previous entry is closed (for the Turkish flag, deletion from the mooring register) and the deregistration certificate is submitted to the UK registry. The deregistration fee varies by country, so it is outside the package and advised separately.

Step 9 — After registration: hull marking and renewal

When the certificate arrives, the vessel’s name and port of registry are marked on the hull; the insurance policy and the radio licence are updated to the new flag. A Part I entry is valid for 5 years and is renewed; renewal needs current documents and the fee. We remind our clients of the renewal calendar.

Surveyor measuring for tonnage on the pontoon
The process starts with a measurement and ends with a certificate; there are nine steps in between.

Time and cost summary

Step Who Time
Choice of Part, document check Together 1 day
Company formation Us A few days
Tonnage survey Us, on board 1 day
Name approval, radio licence, MMSI Us With the application
Part I application and follow-up Us 3-6 weeks
Previous flag deregistration Us Depends on the country
Hull marking, renewal tracking You; we remind Every 5 years

The package is €2,000 + VAT; company formation, tonnage survey, radio licence and MMSI, Part I registration and UK government fees are included. The only item outside the package is the deregistration fee of the previous flag.

I wrote my master’s thesis on the tax and prestige loss to the Turkish economy from foreign-flagged yachts; that work is where I saw in detail that the choice of flag is not a formality. To talk through the right flag and the right Part for your boat, call or write.

Frequently asked questions

Common questions

Can a non-UK citizen register a yacht under the British flag?

Yes. Part I registration does not depend on nationality; the vessel is registered through a UK-incorporated company, and forming that company is the first step of the process. Part III is the register limited to UK residents; from Turkey, Part I is the correct route.

How long does UK flag registration take?

With complete paperwork the typical process is 3-6 weeks. The tonnage measurement takes one day; what sets the pace is the state of the ownership documents and the deregistration of the previous flag. Provisional registration is available while documents complete, so the boat stays in use.

Which documents are needed for UK registration?

Documents proving the chain of ownership (Bill of Sale or Builder's Certificate), identity documents, the vessel's insurance policy, an MCA-standard tonnage survey certificate and the deregistration certificate of the previous flag. For registration through a company, the company documents join the file.

What has to be done after registration?

The name and port of registry are marked on the hull, and the registration is renewed every 5 years with current documents and the fee. Updating the insurance policy and the radio licence to the new flag are also post-registration tasks.

Contact

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Tell us where the vessel lies and your approximate date — we reply the same day.

Serkan Kotel — yacht surveyor, portrait

Serkan Kotel

Yacht surveyor · IIMS · ABYC · MCA — the person who answers the phone, walks the boat and signs the report is the same person.

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Bodrum · Yalıkavak · Turgutreis · Milas · Göcek · Fethiye · Marmaris · Datça · İstanbul · Ayvalık · Antalya

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