![Sleipnir [Photo: Heerema Marine Contractors]](https://www.marinelog.com/wp-content/uploads/2026/07/sleipniratsea-300x225.jpg)
Heerema: Data-driven voyage optimization delivers on Sleipnir winter transit
Heerema Marine Contractors says that during the winter transit of its semi-submersible crane vessel (SSCV) Sleipnir, from Rotterdam to New York at the end of 2025, it demonstrated how data, technology and