What is the function of the draft on a vessel?

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The draft of a vessel is defined as the vertical distance between the waterline and the bottom of the hull (keel). This measurement indicates the minimum depth of water required for the vessel to float without touching the bottom. Understanding the draft is crucial for safe navigation, as it helps to prevent grounding in shallow waters and ensures that a vessel operates within its safe operating limits.

Knowing the draft allows mariners to select safe routes and berthing locations, taking into account the water depth and tidal conditions. This understanding is essential for maritime operations, particularly in ports, channels, and coastal areas where draft restrictions may apply.

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