April 18, 2026 · Fixt Marine
Why underwater inspection matters before drydock
Walking into a drydock blind is expensive. A pre-dock underwater inspection turns unknowns into a plan before the vessel ever comes out of the water.
Drydock time is some of the most expensive time a vessel will ever spend. Every day in the dock is a day of yard costs and lost operation, and the schedule is set before you arrive. The worst way to use it is to discover the scope of work only after the vessel is out of the water and the clock is running.
An underwater inspection ahead of the dock changes that. Putting a diver on the hull, running gear, sea chests, and submerged structure first gives you a real picture of coating condition, corrosion, anode wear, and any damage, while there is still time to plan for it. You walk into the yard with a scope, not a surprise.
That record does more than shape the work list. It supports class and regulatory requirements, backs up insurance and damage discussions, and gives a pre-purchase or pre-charter buyer real information instead of assumptions. Photo and video documentation, organized by area, is far more useful than a verbal "looked fine down there."
The same logic applies between docks. Regular inspection catches problems early, a spent anode, a failing coating, the start of a corrosion issue, while they are cheap to address, rather than after they have become the reason for an unplanned haul-out. Knowing the condition below the waterline is the whole point.