light draft
Definition
Noun (Maritime/Nautical): - The depth of a vessel when it is empty of cargo, fuel, and personnel: "light draft" refers to the vertical distance between the waterline and the bottom of a ship's hull (the keel) when the ship is carrying no load. It indicates how much of the ship is submerged under water in its unloaded state.
Usage Examples
- (The depth of the hull in the water when the ship has no cargo.)
- (The unloaded depth was measured for clearance.)
- (The empty ship sits higher in the water.)
Advanced Usage
"light draft condition": the state of a ship when it has no cargo, ballast, or supplies on board.
- The crew conducted safety drills while the ship was in light draft condition. (The ship was empty and floating high.)
"light draft versus loaded draft": comparison of the ship's depth when empty versus when fully loaded.
- The difference between light draft and loaded draft is crucial for port authorities to plan docking. (The change in submersion affects berth depth requirements.)
Variants and Related Words
- Light (adj): having little weight; not heavy.
- The light cargo was easier to load. (The cargo was not heavy.)
- Draft (n): the depth of water a ship needs to float freely, especially when loaded.
- The ship's draft increased after taking on iron ore. (The depth of submersion grew with weight.)
- Light-draft vessel (n): a ship designed with a shallow hull to operate in shallow waters when empty.
- A light-draft vessel is ideal for river transport. (The ship has a small unloaded depth.)
Synonyms
- Unloaded draft: the depth of a ship without cargo.
- Ballast draft: the depth when carrying only ballast (water for stability) but no goods.
- Empty draft: the depth of an unloaded vessel.
Related Idioms
- "Ride high": (of a ship) to float with a large portion above water, as when in light draft.
- With no cargo, the freighter rode high in the harbor. (The ship sat high because its light draft was minimal.)
Phrasal Verbs
- Draft in: to bring a ship into a specific depth of water (not directly related to "light draft" but used in nautical contexts).
- The captain drafted in the vessel to the shallow dock. (The ship was maneuvered into a shallow area suitable for its light draft.)