
Ship-to-ship operations
STS readiness & risk assessment
Before you commit a vessel, a cargo and a window, you should know whether the operation can be done safely — and if not, exactly what has to change.
The challenge
Confidence comes before commitment
Gaps in coordination, unverified equipment and assumptions about the other vessel are where risk accumulates. A readiness assessment turns those assumptions into findings you can act on.

What we cover
What's included
- 01
Vessel compatibility
Size, freeboard, manifold, mooring and fendering compatibility between the vessels involved.
- 02
Personnel readiness
Roles, experience and briefing of the people who will carry out the operation.
- 03
Equipment condition
Fenders, hoses, mooring equipment and communications checked against the plan.
- 04
Conditions & controls
Location, weather limits, hazards identified and the controls that address them.
A clear go, no-go or go-when — with the reasons in writing.
Questions
Before you ask
J LINE Shipping is a maritime solutions company specialising in ship-to-ship (STS) operations, supported by flag registration and seafarer documentation, vessel inspections, and crew change, husbandry, bunkering and ship management support, for shipowners, charterers and vessel operators.
Can you assess an operation another provider will execute?
Yes. A readiness assessment is useful on its own, whoever carries out the operation.
Related services
- LPG STS transfer →VLGC to pressurised carriers, LPG products debunkering and gas vessel port clearance.
- Crude oil STS →High-capacity transfers involving VLCCs and crude tankers, managed with precision.
- Flag registration & seafarer documentation →Vessel flag registration and seafarer certification or endorsement, coordinated with the authorities.

Start here
Tell us about your operation.
Vessels, cargo, location and timing — whatever you know so far. We will come back with an honest assessment, the options, and a clear scope and cost.
A reply from a specialist · No obligation · Your details stay confidential