GlossaryEN1 min readUpdated: Jun 26, 2026

Hatch cover

Keeping a ship's hold dry depends entirely on one component: the hatch cover.

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Last updated: 26 June 2026Published: 27 January 2026

Source: https://en.wikipedia.org/wiki/Hatch_cover

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Logistics Concept

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Definition & Explanation

Keeping a ship's hold dry depends entirely on one component: the hatch cover. It seals the hatch opening in the main deck – through which cargo is loaded into and discharged from the hold – against seawater ingress and weather exposure. Hatch covers are typically made of steel or aluminum and operate as hydraulic or electric folding, rolling, or lift-away systems. They are fully opened during cargo operations and must close watertight at sea; regular tightness testing is standard practice. A defective hatch cover is one of the most common causes of seawater damage to dry cargo and frequently triggers complex insurance claims.

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Hatch cover

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Related Terms

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