Shipyard Turnaround Delays: The Real Reason Repair Schedules Slip
Most drydock overruns don't start with a technical problem. They start with a part that wasn't on the yard floor when the work order needed it.
A drydock period runs on a tight, interlocking schedule — hull work, machinery overhauls, class surveys and system tests are all sequenced against a fixed departure date. When one task waits on a component that hasn't arrived, the entire sequence behind it slips, and the vessel stays off-hire longer than planned.
Why Spare Part Sourcing Becomes the Bottleneck
Scope discovered mid-repair
Drydock work often reveals additional requirements only once a system is opened up. A part that wasn't on the original procurement list suddenly needs to be sourced mid-project, with no lead time built in.
Fixed drydock windows don't move
Yard slots, crane bookings and labour schedules are locked in advance. A sourcing delay of even a few days can push the vessel past its allotted window, with costly knock-on effects for the next booking in the yard.
Multiple systems, multiple vendors
A single repair project can involve deck, engine room, hydraulic and safety equipment all at once — each potentially from a different supplier. Coordinating all of them to arrive on time is its own project within the project.
Every idle day has a cost
A vessel in drydock longer than planned isn't earning. Extended yard time means additional berth fees, labour costs, and a delayed return to service — costs that scale quickly with every extra day.
A repair schedule rarely slips because the work is hard. It slips because a required part wasn't sourced fast enough to keep pace with the yard's timeline.
Keeping Repair Schedules On Track
Shipyards and repair managers who consistently hit their drydock windows tend to build in sourcing flexibility from day one — identifying likely additional requirements before the vessel even enters dock, and having a supplier on call who can respond the moment scope changes mid-project.
That means working with a partner who can supply across multiple equipment categories at once, communicate delivery timelines clearly, and move quickly when a part is needed to keep the yard's schedule intact — not days after the window has already started to slip.