Polish Register of Shipping class status lookup

Data from the IACS Vessels in Class dataset, as of 30 September 2026. Refreshed weekly.

Polish Register of Shipping (PRS, Polski Rejestr Statków) appears in the IACS data under the code PRS. As of 30 September 2026 the IACS dataset lists 608 ships classed by Polish Register of Shipping: 439 in class, 31 suspended and 138 withdrawn. Look up any Polish Register of Shipping-classed ship by IMO number below, or check up to 100 at once through the API.

608ships listed
439in class
31suspended
138withdrawn

Polish Register of Shipping fleet by class status

How the 608 ships listed under PRS break down by their latest IACS status:

StatusVesselsShareMeaning
Delivered30349.8%In class
Reinstated13622.4%In class
Suspended315.1%Not in class
Withdrawn13822.7%Not in class

Most common reasons for status changes

The reason recorded with each ship's latest status change, where one is given:

ReasonVessels
Survey overdue61
by society for other reasons45
Sold for recycling (scrap)17
Transfer of class to a non-IACS society17
Owner's request for other reasons14

About Polish Register of Shipping

Check Polish Register of Shipping class status through the API

Send IMO numbers to /vessels. Ships classed by Polish Register of Shipping come back with "class": "PRS":

curl -X POST https://vessel-class-finder-production.up.railway.app/vessels \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"imos": [9321483, 9074729]}'

Filter the response on class == "PRS" to find the Polish Register of Shipping-classed ships in a list, and on status to find any that are suspended or withdrawn.

Check a whole fleet at once

Free API key: 100 lookups a month, up to 100 IMO numbers per request. Paid plans from €49/month.

Get a free API key

Frequently asked questions

How do I check if a ship is classed by Polish Register of Shipping?

Enter the ship's 7-digit IMO number in the lookup on this page. If Polish Register of Shipping classes it, the result shows class society PRS, the class status and the last and next survey dates. For many ships at once, use the API with up to 100 IMO numbers per request.

What code does Polish Register of Shipping use in IACS data?

PRS. The IACS Vessels in Class dataset and this API identify Polish Register of Shipping (PRS, Polski Rejestr Statków) as "PRS".

How many ships does Polish Register of Shipping class?

As of 30 September 2026, the IACS dataset lists 608 ships under Polish Register of Shipping, of which 439 are in class (Delivered, Reinstated or Reassigned), 31 suspended and 138 withdrawn. That makes it number 10 of the 12 IACS members by ships listed.

Is this official Polish Register of Shipping data?

It is Polish Register of Shipping's own data as published by IACS in its Vessels in Class dataset, refreshed weekly. It is not a substitute for class certificates or the society's own records, which remain authoritative.

Can I get Polish Register of Shipping class status through an API?

Yes. POST a list of IMO numbers to /vessels with your API key and each result includes the class society code, status, survey dates and reason for the latest status change. The free tier includes 100 lookups a month.

Other IACS classification societies

Numbers come from IACS's public Vessels in Class dataset and cover only ships classed by IACS members. They are not a substitute for class certificates or the society's own records.