Seafarer documentsVessel and cargo training
Crude Oil Washing (COW) Training
COW
- Brief entry
- Checked 1 October 2026
- Document type
- Document
- Validity
- As shown on the issued document
Brief entry: the name, code, purpose and source. A full entry will follow.
Contents2
1 What it covers
Covers planning, carrying out and monitoring crude-oil washing of cargo tanks.1,2
Who needs it. Oil tanker personnel involved in COW operations.1,2
2 Validity and renewal
Document validity. The expiry date, if the issuing system sets one, is shown on the document itself. This reference does not calculate personal expiry dates.