Port letter and number (PLN) is a code identifying

fishing vessels A fishing vessel is a boat or ship used to catch fish in the sea, or on a lake or river. Many different kinds of vessels are used in commercial, artisanal and recreational fishing. The total number of fishing vessels in the world in 2016 was es ...

and other boats printed on the boat. This is used in Europe, including the United Kingdom. The format is XYZ123.

References

External links

A list of European port lettersFishing port registration letters for BritainFishing port registration letters for Europe
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