Proceeding on the Cargo Voyage in a Voyage Charterparty

After loading has been completed under a voyage charterparty, the commercial focus moves from cargo intake to the performance of the carrying voyage. The wording commonly expressed as “and being so loaded the ship shall proceed to the discharging port or place” reflects an important transition. The ship has received the agreed cargo, the loading adventure has been substantially performed, and the shipowner must now begin the sea passage to the discharge destination without improper delay.

This obligation is not merely a matter of navigation. It also fixes the point at which the parties’ rights and duties change. During loading, the charterer has the benefit of the agreed laytime and may use that time for the purpose for which it was granted. Once loading is complete, however, the charterer cannot treat any unused laytime as a reserve period for unrelated commercial purposes, document disputes, indecision about discharge orders, or delay in completing cargo formalities beyond what is reasonably necessary.

The Legal Effect of “Being So Loaded”

The phrase “being so loaded” assumes that the ship has received the cargo required by the charterparty. That may mean a full and complete cargo, a stated quantity, a quantity within an agreed margin, or a part cargo if the fixture is expressly made on that basis. Once the contractual loading requirement has been met, the shipowner is expected to despatch the ship on the cargo voyage with proper promptness.

The duty to proceed does not depend on whether the charterer has exhausted every hour of laytime. Laytime is granted for loading, not for general commercial convenience. Where the cargo is already on board, the charterer’s right to detain the ship is limited to the time reasonably needed to complete ordinary formalities connected with departure, such as presenting bills of lading for signature, completing cargo paperwork, arranging outward clearance, or confirming voyage orders where the charter requires them.

The shipowner’s corresponding duty is to ensure that the ship is ready to sail and to begin the voyage without avoidable delay. The ship must not remain at the loading port for the shipowner’s unrelated convenience, and the master must not interrupt the agreed voyage for reasons inconsistent with the charter. The obligation is therefore mutual in practical effect: the charterer must not obstruct departure after loading, and the shipowner must not delay the carrying voyage once the ship is contractually loaded and ready to proceed.

Charterer’s Duty to Permit Prompt Sailing in Voyage Charter

A charterer who has completed loading must allow the ship to sail after a reasonable period for ordinary post-loading formalities. This principle is illustrated by The Nolisement, where loading was finished long before the expiry of laytime, but the charterers delayed the ship because they had not yet decided which discharge port to nominate. The court treated the unused laytime as irrelevant. The charterers were allowed a reasonable time for bills of lading and routine formalities, but they were not allowed to hold the ship for additional commercial deliberation.

The practical rule is that the charterer may have a short, reasonable period after completion of loading to finish matters that naturally accompany the departure of any laden ship. If the delay goes beyond that normal allowance and is caused by the charterer’s own decision, omission, cargo documentation problem, nomination delay, or other default, the shipowner may claim damages for detention.

What counts as a reasonable period depends on the facts. In a simple loading operation, a few hours may be enough. In more complex trades, the time needed for draft surveys, cargo descriptions, local clearances, certificates, bills of lading, or terminal paperwork may be longer. The central test is not whether unused laytime remains, but whether the delay is genuinely part of the normal machinery of completing the loading operation and enabling the ship to depart.

Unused Laytime Cannot Be Used for Unrelated Delay

Laytime gives the charterer a contractual period within which to load the cargo. It does not give the charterer an independent right to keep the ship idle after loading has been completed. This distinction is commercially important because charterers sometimes wish to delay departure for reasons connected with sale contracts, letter of credit requirements, cargo documents, market timing, or final discharge instructions. Unless the charterparty expressly permits that delay, the charterer risks liability once loading has ended and only departure formalities remain.

The principle prevents laytime from being converted into a general option to hold the ship. A charterer may use laytime for loading, and may take the whole of the permitted period if cargo is still being loaded. But once there is no further loading to perform, the commercial purpose of laytime has been spent. Continued detention must then be justified by the charter terms, by a reasonable need to complete ordinary formalities, or by some valid exception.

The Charterer’s Right to Use the Whole Laytime Before Loading Is Complete in Voyage Charterparty

The position is different while loading is still incomplete. A charterer is not normally required to load faster than the agreed laytime rate merely because faster loading is physically possible. The charterer has bargained for a specified laytime allowance and may use it for loading. The shipowner cannot generally complain simply because the charterer could have completed earlier.

Margaronis v. Peabody demonstrates this point. The ship had nearly completed loading, but a small amount remained. The charterers interrupted loading because they wanted January bills of lading. The shipowners argued that loading was effectively complete or that the charterers had no right to delay for their own purposes. The court rejected the claim because the remaining shortfall was not commercially insignificant and the charterers were still within their agreed loading time. Until loading is actually complete, the charterer’s right to use laytime for loading remains powerful.

This rule must be handled carefully. It protects a charterer who is still performing the loading obligation within the permitted time. It does not protect a charterer who has already completed loading and then keeps the ship waiting for reasons unrelated to loading. The dividing line is completion of the cargo operation, not expiry of laytime.

After Laytime Has Expired at the Loading Port

If laytime expires before loading is complete, the usual consequence is that the ship goes on demurrage. The shipowner must generally continue to make the ship available for completion of loading against payment of demurrage, unless the charterer clearly indicates that no more cargo will be loaded, or the delay becomes so serious that it frustrates the commercial adventure or amounts to a repudiatory breach.

Demurrage is therefore the agreed compensation for ordinary delay beyond laytime. It does not automatically free the shipowner to sail away. The shipowner must usually wait while loading continues or remains realistically capable of completion. However, if the charterer’s conduct shows that performance will not occur within a commercially meaningful time, the shipowner may acquire stronger remedies, including the right to treat the charter as at an end, depending on the circumstances and the governing law.

When the Loading Laytime Regime Ends in Voyage Charterparty

In the ordinary case, the loading laytime and demurrage regime ends when loading is complete. After that point, a delay caused by the charterer is usually treated as detention rather than ordinary loading demurrage, unless the charterparty has widened the demurrage regime to cover post-loading delays.

Some charter forms and rider clauses expressly provide that demurrage, or another stated daily rate, continues to apply if the charterer delays departure by failing to provide voyage orders, failing to present documents, changing discharge instructions, or delaying bills of lading. Where such wording exists, the shipowner’s recovery will normally be limited to the agreed rate, even if the charterer deliberately used the delay for its own commercial purposes.

This is a major drafting point. If the parties want post-loading delay to be treated as demurrage, they should say so clearly. If they do not, the claim may fall outside the laytime code and be measured as damages for detention, which can raise arguments about proof of loss, market value of time, causation, mitigation, and the relationship between detention damages and the contractual demurrage rate.

Bills of Lading (B/L) and Discharge Orders in Voyage Charter

Bills of lading often play a central role at the end of loading. They evidence the cargo shipped, form the documentary bridge between the charterparty and cargo interests, and may identify the discharge port or leave the final destination to be nominated under the charter. Delay in presenting bills of lading, correcting cargo descriptions, resolving remarks, or giving final discharge instructions can prevent sailing even after all cargo is on board.

The charterer is normally responsible for those formalities that fall within its commercial control. If the charterer delays the ship because it is still deciding on the discharge destination, negotiating documentary language, waiting for letter of credit instructions, or arranging cargo documents, the shipowner may have a claim if the delay exceeds the reasonable time allowed for normal post-loading work.

The master must also act properly when signing bills of lading. He should not sign a document that misdescribes the apparent order and condition of the cargo, and he should not knowingly place the shipowner in conflict with the truth of the cargo record. However, genuine disagreement about bill wording does not give either party an unlimited right to immobilise the ship. The parties must act promptly and commercially to complete the documents and allow the voyage to begin.

The Shipowner’s Duty of Reasonable Despatch

Once the ship is laden and formalities have been completed, the shipowner must begin and perform the cargo voyage with reasonable despatch. This implied obligation is a normal incident of a contract of carriage by sea. It exists because the commercial purpose of the contract depends on the ship carrying the cargo from the loading port to the discharge port without unjustified delay or deviation.

Reasonable despatch does not mean that the shipowner guarantees arrival by a specific date unless the charterparty says so. It means that the ship must proceed in a commercially and navigationally proper manner, taking the usual and customary route, maintaining appropriate speed, and avoiding unnecessary interruptions. The master may take measures required for safety, navigation, weather avoidance, emergency repair, or preservation of life and property, but the shipowner cannot slow or interrupt the voyage for convenience alone if that conflicts with the charter.

If the ship’s speed has been reduced by events occurring before departure, the duty of reasonable despatch may require the shipowner to take reasonable steps to restore ordinary performance. This may include cleaning a fouled hull, addressing a machinery condition, or taking operational measures where refusal to do so would make the voyage unreasonably slow. The exact obligation depends on the circumstances, the cost and practicality of the remedial step, the urgency of the voyage, and any express terms in the charterparty.

Express Despatch Wording in Voyage Charterparty

Many charterparty forms use stronger language than the implied obligation of reasonable despatch. Phrases such as “all convenient speed,” “all speed,” “all convenient despatch,” or “utmost despatch” appear in different forms and rider clauses. Their exact boundaries are not always identical, but they generally convey a higher degree of urgency than ordinary reasonable despatch.

An undertaking of utmost despatch is particularly demanding. It points toward performance by the shortest and quickest proper route and does not sit comfortably with avoidable delay, unnecessary bunkering stops, non-essential repairs during the cargo voyage, or deliberate slow steaming unless justified by safety, machinery condition, weather, orders, or an express slow steaming clause.

At the same time, express despatch language does not convert the shipowner into an insurer against every loss of time. In The Devon, where the ship suffered a serious main engine breakdown requiring immediate repair, the claim could not succeed as a separate breach of convenient speed merely because the voyage was delayed. Before the breakdown the ship was proceeding normally, and after the breakdown she required repair. The real issue was whether the shipowner had failed in the relevant obligation concerning seaworthiness, not whether a distinct despatch duty had been broken.

Bunkering, Repairs, and Interruptions During the Cargo Voyage

A laden ship may need bunkers, repairs, stores, crew attention, or technical assistance during the voyage. Whether such an interruption is permitted depends on the charter wording and the commercial necessity of the interruption. A bunkering stop that is part of ordinary voyage planning may be permissible where it is reasonably required for the safe and proper completion of the voyage. A discretionary stop that delays the voyage for the shipowner’s separate convenience may breach the despatch obligation.

Repairs raise similar questions. Emergency repairs required for safety or seaworthiness may be justified. Repairs that can safely wait until after discharge may not be justified if the charterparty requires the ship to proceed without interruption or with utmost despatch. The practical issue is whether the interruption was necessary for the chartered voyage, or whether it was an avoidable shipowner’s matter imposed on the cargo adventure.

Where the activity involves a departure from the contractual route, the position is stricter. A deviation from the agreed or usual route normally requires a recognised justification, such as safety, saving life, saving property where allowed, compliance with lawful requirements, or an express liberty. A shipowner should not assume that fuel economy, scheduling convenience, or a future employment commitment is enough to justify an altered route or unnecessary interruption.

Slow Steaming and Fuel Economy

High bunker prices and emissions concerns have made slow steaming a frequent commercial issue. A shipowner may wish to reduce speed to save fuel, limit emissions, or preserve machinery. However, a voyage charterparty built around a despatch obligation may not permit unilateral speed reduction if it delays arrival at the discharge port.

The safest approach is to include a clear slow steaming clause. Such a clause can state the minimum permitted speed, identify who may order the reduced speed, allocate responsibility for extra time and fuel, and clarify that compliance with the agreed slow steaming regime satisfies any despatch obligation. Without clear wording, deliberate slow steaming can create disputes, especially where the charter uses strong language such as utmost despatch or requires the ship to proceed without interruption.

Exceptions and the Clause Paramount

The shipowner’s liability for delay during the cargo voyage may be affected by exception clauses. Under the Gencon structure, the shipowner may be protected from liability for certain delays unless they are caused by the personal default of the shipowner or the manager. Where a clause paramount applies, Hague Rules or Hague-Visby Rules exceptions may also become relevant, particularly exceptions relating to navigation or management of the ship.

These exceptions must be applied carefully. They are intended to protect genuine navigational error, maritime accident, or covered operational fault. They do not normally protect a deliberate decision by the master or shipowner to act in a way that is inconsistent with the charterparty, such as intentionally proceeding at an unjustifiably slow speed for reasons unrelated to navigational safety. The Hill Harmony is a reminder that navigation exceptions are not a simple shield for deliberate commercial choices that conflict with the employment or despatch obligation.

Usual and Customary Route Under U.S. Law

Under U.S. maritime law, the same broad principle applies: the shipowner must carry out the agreed voyage by following the usual and customary route from the loading port to the discharge port, unless the charterparty or a recognised maritime justification permits another route. The duty is closely connected with the traditional law of deviation and the shipowner’s obligation to perform the voyage contracted for.

For practical purposes, U.S. law reinforces the commercial expectation that the laden ship should not be diverted, delayed, or slowed without justification. Where the route, speed, or timing is affected by weather, safety, port orders, security risks, or machinery problems, the facts will matter. Where the delay results from a voluntary decision taken for the shipowner’s separate advantage, the risk of liability is much greater.

Practical Points for Shipowners

Shipowners should distinguish carefully between delay before completion of loading and delay after completion of loading. If cargo remains to be loaded and laytime is still running, the charterer may usually use that time. If loading has finished, the shipowner should record the time of completion, request prompt documents and sailing orders, and notify the charterer clearly if post-loading delay is being treated as detention.

Owners should also keep a proper record of the ship’s readiness to sail, the timing of draft surveys, clearance, bill of lading presentation, discharge nomination, launch attendance, port authority restrictions, and any communications that explain why departure was delayed. These records are often decisive when the dispute is whether a delay was part of normal departure formalities or was caused by the charterer’s default.

During the voyage, owners should maintain records of speed, routeing decisions, bunker planning, weather avoidance, engine performance, hull condition, and any repairs. Where the charter imposes a strict despatch obligation, owners should be able to show that any interruption or speed reduction was reasonable, necessary, or contractually permitted.

Practical Points for Charterers

Charterers should ensure that discharge nominations, documentary instructions, bill of lading wording, cargo certificates, letter of credit requirements, and clearance formalities are ready as loading nears completion. A charterer who delays these steps until after cargo is on board may face a detention claim even though laytime has not fully expired.

If the charterer needs the right to delay sailing after loading for commercial reasons, the right should be expressly drafted. The charterparty may provide that demurrage or another agreed rate applies to delay in presenting documents, giving voyage orders, changing discharge instructions, or resolving post-loading matters. Without such wording, the charterer should assume that post-loading delay is risky once ordinary departure formalities should reasonably have been completed.

Charterers should also review any despatch wording carefully. Where they require fast delivery, the charterparty should contain clear speed, route, and interruption provisions. Where slow steaming is acceptable, the minimum speed and effect on laytime, demurrage, freight, and arrival expectations should be agreed expressly.

Conclusion

The obligation to proceed on the cargo voyage is a central part of the voyage charterparty. Once the ship has been loaded as required by the charter, the shipowner must despatch her toward the discharge port or place, and the charterer must not detain her beyond the time reasonably needed for ordinary post-loading formalities. Laytime belongs to the loading operation and does not give the charterer a free right to hold a fully loaded ship for unrelated commercial purposes.

The shipowner’s duty during the voyage is to proceed with reasonable despatch, or with any higher degree of urgency stated in the charterparty. Bunkering, repairs, route changes, and slow steaming must be judged against the wording of the charter and the needs of safety and navigation. Clear drafting and careful operational records remain the best protection for both parties, because disputes over post-loading delay and voyage despatch are usually decided by the timing, purpose, and commercial reasonableness of each act after loading has been completed.