Maritime & Ship Management

SOF

Statement of Facts

A Statement of Facts (SOF) is the chronological log of every relevant event during a vessel's port call: arrival, NOR tendered and accepted, berthing, commencement and completion of loading or discharge, stoppages, weather delays, shifting, and departure — each with its date and time. It is compiled by the ship's agent, agreed with the master (and often the terminal), and signed.

The SOF is the evidentiary backbone of the laytime and demurrage calculation. Every hour that counts for or against laytime is read from it, so its accuracy directly determines who pays whom. Disputes over demurrage almost always come down to what the SOF records — which is why producing a precise, well-supported SOF is one of the port agent's most important deliverables.

Why it matters

The SOF is where the money is decided. Laytime, demurrage and despatch are all calculated line by line from it, so a vague or wrong SOF is a demurrage dispute waiting to happen. A clean, timestamped SOF is what lets the calculation be settled without argument.

In WHIZTEC

The SOF is the minute-by-minute record of the call — and the whole laytime calculation stands or falls on it.

By hand
  • Events logged on paper and re-typed
  • Times argued over after the fact
  • SOF and laytime kept in separate spreadsheets
  • Gaps and disputes hard to defend
In WHIZTEC
  • Every event timestamped as it happens — arrival, NOR, alongside, ops, delays
  • SOF generated straight from the event log
  • Laytime calculated directly from the SOF
  • A clean, defensible timeline for every claim
Event Log Statement of Facts Laytime Basis Delay Tracking
Explore WHIZTEC Ship Agency Software
Diagram
Port-call events
logged
SOF
Laytime
calculation
Demurrage /
despatch settled
The SOF records every port-call event — the evidence the laytime calculation is built on.
Also known as
Statement of FactsPort Log
Where this matters at WHIZTEC
Frequently asked
What does a Statement of Facts record?

Every event of the port call with its time — arrival, NOR, berthing, start and end of cargo work, stoppages, weather delays, shifting and departure — agreed and signed by the agent and master.

Who prepares the SOF?

The ship's agent compiles it, agreeing the facts with the master and often the terminal, and it is signed as the agreed record of the call.

More Maritime & Ship Management terms

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