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Monday, April 20, 2026

Mixed Gas Diving News

07 Feb 2022

Phoenix Hires Sonnenberg as Norfolk GM

Michael Sonnenberg (Photo: Phoenix International Holdings, Inc.)

Subsea marine services company Phoenix International Holdings, Inc. announced that Michael Sonnenberg has joined the company as general manager of its Norfolk, Va. office.As a U.S. Navy Master Diver, Master Chief, and Master Training Specialist-Instructor, Sonnenberg brings to Phoenix 29 years of experience in air and mixed gas diving, salvage and underwater ship husbandry. He holds a Bachelor of Science Degree in Organizational Leadership from Thomas Edison State University.Patrick Keenan…

09 Sep 2014

Ship Design and Construction Software Solutions

Illustration of some shipbuilding methods in England, 1858.  Credit: From Charles Knight’s Pictorial Gallery of Arts, England, 1858. Shipbuilding illustrated.

From the design loft to loftier designs and better-built ships, software has changed the face, and build, of nautical vessels. The far-reaching impact of ship design and construction software on the marine industry cannot be overstated, especially in an era of increasing regulation, bigger, sometimes more complex ships, and razor-thin margins. With shipyards and fleet owners alike, the end goal is the same – cutting costs without compromising safety and reliability. And to hear ship designers…

05 Apr 2013

IMCA Publishes Updated Design for Saturation (Bell) Diving Systems

Offshore equipment and operating practices are routinely improved in the constant quest for ever-greater levels of safety and efficiency. The International Marine Contractors Association’s (IMCA) newly published ‘Diving Equipment Systems Inspection Guidance Note (DESIGN) for Saturation (Bell) Diving Systems’ (IMCA D 024 Rev 1) reflects the changes that have taken place since its initial publication in 2001. “It is intended that this document should be used in conjunction with IMCA D 018 ‘Code of practice on the initial and periodic examination…

22 May 2009

Bisso Lufesa Performs Platform Inspection

Bisso Lufesa, a full-service marine contractor, successfully performed a platform inspection for BPZ Energy off the coast of Northwest Peru. The Bisso Lufesa crew spent about a month aboard the dive support vessel DSV Caballo de Trabajo inspecting the four-pile production platform in 208 ft of water about five miles off the coast. Divers performing the Level II inspection checked for excessive marine growth, damaged welds, corroded structural members, decay, wall thickness, cathodic protection and other conditions affecting the production platform.