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JMS Naval Architects

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70 Essex Street
Mystic , CT 06355
United States
Booth #851

JMS Naval Architects

JMS Naval Architects, founded in 1988, is a specialty maritime engineering firm providing naval architecture, marine engineering, marine surveying, barge and workboat design and vessel operations support. JMS provides these services to a commercial and government client base representing all aspects of the maritime industry. JMS maintains a full time staff of naval architects and engineers with practical experience. Our employees have a unique combination of high-end analytical engineering expertise and practical seafaring experience which allows JMS to deliver rapid and innovative solutions to complex problems.

JMS is committed to delivering quality products with highly personalized and responsive service and maintains an internationally recognized ISO 9000 quality management system. JMS offices are located along the Mystic River in downtown Mystic, CT. The historic community is rich in maritime tradition and offers an ideal setting for a maritime business.

Products & Services


Engineering and Design

Engineering and DesignJMS naval architects combine operational experience & technical expertise to provide a full range of naval architecture services for new vessel design or support for existing vessels: CAD & Engineering - Structural and Stability Analysis - Regulatory Evaluation - Trim & Stability Books - Computerized Loading Programs (CargoMax) - Ship Inclinings - Repair Plan Specification - Finite Element Analysis - Modification Designs & Drawings. JMS provides cost-effective out-source engineering support to vessel owners/operators to support their in-house engineering staff or provide turnkey engineering support. If you only have a part-time engineering need, we can help. JMS offers shipyards and ship owners with full design capability or work package specifications. Our range of expertise is also used to provide launching / dry docking support, facility engineering support, and owner's rep services for vessel construction or repair projects.

iPhone Apps

Twelve New “Calculators” Added to JMS iPhone/iPad Application Version 3.0JMS is proud to introduce v3.0 of their popular iPhone/iPad application based on the U.S. Navy Salvor’s Handbook. The latest version incorporates 12 easy-to-use calculators. Past customers will receive the update for free.The new features in v3.0 include:12 easy-to-use calculators based on the most popular formulas in the US Navy Salvor's Handbook: Estimate Bollard PullHydrostatic PressureFlooding RateMoment to Trim One InchShaft DiameterTons per Inch Immersion (TPI)GM from Roll PeriodFreeing ForceGround ReactionPatch ThicknessChange in DraftCurrent ForceMinor edits have been made to the book portion of the app. This is a universal app that is optimized for both the iPhone5 and iPad3.

Shipyard Work Support

Shipyard Work SupportJMS offers ship owners full design capability and work package specifications.JMS' range of expertise also encompasses launching and dry docking support, facility engineering support, and owner's representative services for construction or repair projects. JMS provides deck plate engineering for repairs, modifications, equipment specifications, and new installation of shipboard systems.JMS partners with shipyards to offer complete design/build capability. These valuable relationships also provide JMS personnel with specialized shipyard experience that result in a more efficient engineering-to-fabrication process.

Vessel Operations Support and Marine Surveying

Vessel Operations Support and Marine SurveyingJMS routinely conducts hull, mechanical, and electrical inspections for its diverse customer base. JMS personnel are certified by the American Waterways Operators (AWO) as Responsible Carrier Program (RCP) auditors and the Society of Marine Surveyors (SAMS).Surveys include:- Structural assessments of aging vessels for steel renewal and overhaul planning - Research vessel assessments of ability to conduct oceanographic research - Vessel safety inspections to assist owners in preparing for U.S. Coast Guard inspections - Condition surveys of ships, barges and dry docks for preacquisition or insurance purposes - Audits of safety management systems - Accident investigation and marine forensic engineering surveys - Assessments of vessel and port facility security

Boat Building / Repair

  • Barge Building and Repair
  • Boat Building and Repairs

Naval Architects / Marine Engineers

  • Naval Architects


  • Consulting
  • Surveyors
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