Crest of the Royal National Institution of Naval Architects - Click to return to the homepage


Air Products_March 2021


International Registries April 2021

Cyber Security 2021


Cadmatic April 2021

Sea Spark April to July 2021


H2NAH2NA is a professional Naval Architecture Consultancy specialising in providing in-service support to Ships, Boats, Superyachts and all types of floating platforms. Core tasks include the following, although please contact us or view our website should you require additional services:

•    Stability Information Books
•    Computer Models & Loading Instruments
•    Stability Analysis (Intact & Damaged)
•    Inclining Experiments
•    Feasibility Studies
•    Alterations & Design Changes
•    Dry Docking Calculations, Management & Liaison
•    Towing Calculations
•    Local Structural Design & Analysis
•    Material State Verification Inspections & Surveys
•    Independent Professional Audit
•    Drawing Services
•    Ballast Water Management Plans
•    Naval Munitions & Magazine Safety

Support is responsive and will be tailored to meet your company needs whether this is regular on-going services or ad-hoc stand-alone tasks. Existing contacts within the Maritime & Coastguard Agency and Lloyd's Register make us well placed to research, undertake and submit a range of UK Flag and Class required documents, seeing these submissions through to approval.

H2NA takes pride in providing the highest quality, professional service using RINA Registered Chartered Engineers. Significant experience has been gained in the commercial and naval sector with senior staff additionally Members of the Royal Corps of Naval Constructors in recognition of experience gained within the UK defence industry on MoD vessels.

For a no obligation discussion please contact H2NA to discuss your specific needs or to arrange a visit to your offices.

Address:   H2NA Limited
    5 Brighton Way
    SN14 0YR
Tel:   07592 511446
Contact:    Mr Philip Henderson (Technical Director)




RINA membership


Lloyds Academy March 120x120

Teinbridge Propeller


NRG Sonihull April 2021

Metstrade April 2021

Cyber Security Button 2021