Executive summary
- English law commonly breaks a voyage into four stages: the loading voyage, the loading operation, the carrying voyage and the discharging operation.
- The two voyage stages are usually owner-side stages. The loading and discharging stages are usually joint cargo operations.
- A large part of laytime law is really about the boundaries between those stages, especially arrival, notice of readiness and berth access.
- The port/berth distinction matters because it often decides whether delay is still voyage delay or has moved into the laytime machinery.
- Bills of lading matter most during the carrying stage because they connect carriage with sale, finance, control and delivery.
- Clauses such as WIBON, WIPON, time-lost waiting for berth and reachable on arrival are usually risk-shifting devices around stage boundaries.
Introduction: the four-stage structure
4-001 A sea carriage looks like one continuous movement, but English law does not treat it that way. It breaks the adventure into stages. That matters because legal responsibility and commercial risk shift from one stage to the next. A trader who identifies the wrong stage will often ask the wrong legal question.
4-002 The four stages are well known. They are the loading voyage, the loading operation, the carrying voyage and the discharging operation. English law treats them as successive stages, not overlapping ones. The practical question is therefore simple: at what stage had the voyage reached when the problem occurred?
Voyage stages and cargo operations
4-003 The two voyage stages are normally owner-controlled stages. The owner must get the vessel to the loading place and then carry the cargo to the discharge place. Delay during those movement stages will usually remain owner-side delay unless the charterparty clearly shifts the risk.
4-004 The loading and discharging stages are different. They are usually joint cargo operations between ship and cargo side. This is where notice of readiness, laytime, demurrage, dispatch, detention and berth-access arguments usually appear.
Arrival and the port/berth distinction
4-005 The first important boundary is arrival at the loading place. In a berth charter, the loading voyage usually ends only when the vessel reaches the berth. In a port charter, it may end earlier, but only if the vessel has become an arrived ship under the legal test.
4-006 That is why the port/berth distinction matters commercially. Waiting time before legal arrival is usually still part of the owner’s voyage obligation. Waiting time after legal arrival may move into laytime or into another charterparty mechanism which places the cost on the cargo side.
4-007 English law is strict where the waiting place is outside the port. A usual anchorage is not enough if it lies outside the port’s legal area. Equally, whether in berth or not is not the same as whether in port or not. Parties can shift the risk by clear words, but the law does not do it for them.
The loading operation
4-008 The second stage is loading proper. Once the vessel has arrived and a valid notice of readiness can be given, the focus shifts from moving the ship to handling the cargo. The owner must provide a ship genuinely ready to load, and the charterer must use the agreed loading time to bring and ship the cargo.
4-009 Readiness must be real, not assumed. If the holds are not fit, if some material legal condition is missing, or if the vessel cannot in fact load when called upon to do so, the notice may be invalid. That can move the laytime clock by days. It is one reason why readiness disputes are so common and so expensive.
The carrying voyage
4-010 After loading, the adventure returns to an owner-controlled stage. The carrying voyage is the sea passage itself. It is also the stage at which the bill of lading often becomes most important in the sale chain, because the cargo can be financed, transferred or controlled while still afloat.
4-011 That documentary element is not a side issue. Delivery at destination may depend not only on where the cargo is, but on who is entitled under the bill of lading. A ship may arrive safely and still generate a serious claim if the cargo is delivered to the wrong person or without the right document.
The discharging operation
4-012 The final stage is discharge. Like loading, it is usually a joint operation. Arrival, readiness, laytime and berth access return, but now in the context of delivery rather than shipment. The same arguments often reappear at both ends of the voyage, but with different commercial consequences.
Risk-shifting at the stage boundaries
4-013 Many charterparty clauses are really risk-shifting devices at the edges of these stages. Reachable on arrival, always accessible, WIBON, WIPON and time-lost waiting clauses do not abolish the four-stage structure. They change who pays when delay occurs at or near the boundary between stages.
The four-stage model as a checklist
4-014 For traders, the four-stage model is a practical checklist. When a dispute appears, ask first which stage had been reached. That usually points to the right legal issue – late arrival, invalid notice of readiness, laytime, cargo liability, documentary control or wrong delivery – and makes the rest of the analysis easier.
Publicly available case links
E. L. Oldendorff & Co GmbH v Tradax Export SA (The Johanna Oldendorff) [1974] AC 479 – Used in paragraphs 4-002 and 4-005 for the four-stage structure and the port-charter arrived-ship test. Public link
Federal Commerce and Navigation Co Ltd v Tradax Export SA (The Maratha Envoy) [1978] AC 1 – Used in paragraph 4-007 for the point that a usual waiting place outside the port is not enough, and WIBON does not mean WIPON. Public link
Compania de Naviera Nedelka SA v Tradax International SA (The Tres Flores) [1974] QB 264 – Used in paragraph 4-009 for the point that notice of readiness must be supported by actual readiness when it is given. Public link
Nereide S.p.A. di Navigazione v Bulk Oil International Ltd (The Laura Prima) [1982] 1 Lloyd’s Rep 1 – Used in paragraph 4-013 for the point that a reachable on arrival promise shifts berth-congestion risk to charterers. Public link
