# semi-submersible heavy-lift ship

> ships that take on water ballast to allow the load to be floated over the deck, whereupon the ballast is jettisoned and the ship's deck and cargo raised above the waterline

**Wikidata**: [Q921565](https://www.wikidata.org/wiki/Q921565)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Semi-submersible_heavy-lift_ship)  
**Source**: https://4ort.xyz/entity/semi-submersible-heavy-lift-ship