China Classification Society class status lookup
China Classification Society (CCS) appears in the IACS data under the code CCS. As of 30 September 2026 the IACS dataset lists 4,376 ships classed by China Classification Society: 4,100 in class, 10 suspended and 265 withdrawn. Look up any China Classification Society-classed ship by IMO number below, or check up to 100 at once through the API.
China Classification Society fleet by class status
How the 4,376 ships listed under CCS break down by their latest IACS status:
| Status | Vessels | Share | Meaning |
|---|---|---|---|
| Delivered | 3,749 | 85.7% | In class |
| Reinstated | 273 | 6.2% | In class |
| Reassigned | 78 | 1.8% | In class |
| Suspended | 10 | 0.2% | Not in class |
| Withdrawn | 265 | 6.1% | Not in class |
| No status recorded | 1 | 0.0% | Not stated |
Most common reasons for status changes
The reason recorded with each ship's latest status change, where one is given:
| Reason | Vessels |
|---|---|
| Survey overdue | 69 |
| Transfer of class to a non-IACS society | 54 |
| Owner's request for other reasons | 46 |
| Sold for recycling (scrap) | 38 |
| by society for other reasons | 33 |
About China Classification Society
- Full name: China Classification Society (CCS)
- Also known as: CCS
- Founded: 1956
- Headquarters: Beijing, China
- IACS code:
CCS - Website: www.ccs.org.cn
Check China Classification Society class status through the API
Send IMO numbers to /vessels. Ships classed by China Classification Society come back with "class": "CCS":
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 == "CCS" to find the China Classification Society-classed ships in a list, and on status to find any that are suspended or withdrawn.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 keyFrequently asked questions
How do I check if a ship is classed by China Classification Society?
Enter the ship's 7-digit IMO number in the lookup on this page. If China Classification Society classes it, the result shows class society CCS, 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 China Classification Society use in IACS data?
CCS. The IACS Vessels in Class dataset and this API identify China Classification Society (CCS) as "CCS".
How many ships does China Classification Society class?
As of 30 September 2026, the IACS dataset lists 4,376 ships under China Classification Society, of which 4,100 are in class (Delivered, Reinstated or Reassigned), 10 suspended and 265 withdrawn. That makes it number 7 of the 12 IACS members by ships listed.
Is this official China Classification Society data?
It is China Classification Society'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 China Classification Society 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.