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After receiving the following letter from a consulting client a discussion on the subject of CO poisoning seemed in order.   Steve, After recalling reading something on...

Photo Essay: Emergency Tiller Use During a recent vessel inspection, I asked the owner of the vessel if he’d ever tested the emergency manual tiller,...

Photo Essay: Core Exposure Virtually every fiberglass vessel afloat today, even those that boast of solid fiberglass hulls rely on core material to add stiffness...

Text and photos copyright © SDMC, Inc. 2016 Photo Essay While it may be cliché, the first words that come to mind when I see this image...

Photo Essay: The Perils of an Unvented Loop Vented loops, also known as anti-siphon valves or siphon-breaks, have served mariners for many years.  Their mission...

  Photo Essay: Plumbing Bonding Technique As I carry out inspections, one of the issues I frequently encounter involves bonding or grounding (there is a difference,...

Text and photos © 2021 Steve D'Antonio Marine Consulting, Inc. Photo Essay: Wire Design It’s a question that occasionally comes up among boat buyers or forum...

Photo Essay: Leakage Current It’s an insidious, and frequently misunderstood, phenomenon; AC power leaking into water, creating an electric field around the vessel.  Under the...

Photo Essay: The Perils of Double Grounding It is ubiquitous, various disparate onboard equipment, to which green bonding wires are attached.  While not necessarily providing...

Text and photos © 2020 Steve D'Antonio Marine Consulting, Inc. Photo Essay: Means of Escape The recent fire and resulting fatalities aboard the dive boat Conception,...