Maritime Terminology

Segregated Ballast Tanks

Segregated Ballast Tanks

Definition

Dedicated ballast tanks completely separated from the cargo and fuel oil system — required on tankers over 20,000 DWT to prevent oil-water mixing

Exam Relevance

This term is tested in DG Shipping MEO Class 4 orals, 2nd Mate FG assessments, and STCW competency evaluations. Ensure you can define, apply, and give an operational example.

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