The Moorcock (1889) 14 PD 64
The Moorcock is the classic starting point for terms implied in fact. It shows that a court may fill a contractual gap where doing so is necessary to make the parties' transaction work, while stopping short of rewriting their bargain merely because another term would seem fair.
Facts
The owners of the ship Moorcock agreed with wharfingers to use their jetty on the River Thames for unloading cargo. Both sides knew that the vessel would settle on the riverbed when the tide fell. While the ship was alongside the jetty, its hull was damaged by a hard ridge beneath the water. The contract contained no express promise about the condition of the riverbed. The wharfingers did not own or control the bed, but they were in a position to investigate it and to warn users of dangers revealed by reasonable enquiries. The shipowners sought compensation, arguing that the agreement carried an implied obligation concerning the safety of the berth.
Legal Issue
Could the court imply an obligation requiring the wharfingers to take reasonable care to ascertain the condition of the riverbed and warn the shipowners, although the contract said nothing expressly about safety?
Held
The Court of Appeal upheld liability. The agreement contemplated that the ship would lie on the riverbed at low tide, so it could not operate as intended unless the berth was reasonably safe or the shipowners were warned of a discoverable hazard. The court therefore implied an obligation that the wharfingers would take reasonable care to determine the bed's condition and communicate any danger. This was not an absolute guarantee that the vessel would be safe in every circumstance. Bowen LJ explained that implication was justified to give the transaction the practical effectiveness that both parties must have intended. On the facts, reasonable investigation would have revealed the ridge, and the failure to investigate and warn breached the implied obligation.
⭐ Legal Principle
A term may be implied in fact where it is necessary to give business efficacy to the particular contract. The court identifies what the agreement must objectively be taken to require for the contemplated transaction to work; it does not add a term simply because it would be reasonable, desirable or fair.
Significance
The decision supplied the business efficacy formulation that still underpins the implication of terms in fact. Shirlaw v Southern Foundries later expressed the related officious bystander test. The Supreme Court in Marks and Spencer plc v BNP Paribas confirmed that necessity remains central and that implication is a demanding exercise distinct from improving an unwise bargain. Liverpool City Council v Irwin, by contrast, illustrates terms implied by law into a class of relationship rather than from the presumed requirements of one contract.
Common exam questions about this case
What term was implied in The Moorcock?
The court did not impose an unlimited warranty that the berth was safe. It implied a narrower obligation that the wharfingers would take reasonable care to ascertain the condition of the riverbed and warn the shipowners of any danger that such enquiries disclosed. That obligation was necessary because the agreed use of the jetty required the vessel to rest on the bed at low tide.
How does The Moorcock limit the business efficacy test?
It asks whether the proposed term is necessary to make the particular contract work in the way the parties objectively contemplated. A term is not implied merely because it would improve the agreement or produce a fairer result. The court must be satisfied that the contract, read against its background, requires the term rather than simply benefiting from it.
How does The Moorcock differ from a term implied by law?
The Moorcock concerns implication in fact, which depends on the language, background and practical requirements of an individual agreement. A term implied by law is attached to a recognised category of contractual relationship because the law treats it as a necessary incident of that category. Liverpool City Council v Irwin is the usual comparison for the latter process.