H2NA is a professional Naval Architecture Consultancy specialising in providing in-service support to Ships, Boats, Superyachts and all types of floating platforms. Our core work is currently focused on the following areas: • Stability Information Books • Inclining Experiments • Stability Assessments (Intact & Damaged) • Local Structural Assessments & Design • Alterations & Design Changes • Computer Loading Instruments • Ballast Water Management Plans • Naval Magazine Safety