Boat, Yacht and Marine Directory is part of the Informa Markets Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.


We provide intact and damage stability calculations and booklets in accordance with class and flag regulations. We are able to arrange everything from lightship survey and inclining experiments to a final approved stability information booklet. We can assist existing vessels in meeting loadline requirements. For hydrostatics calculations we use General Hydrostatics (GHS) and Orca3D.