1. Once jurisdiction has been established by a valid arrest instituting an action in rem, the court retains jurisdiction to the end of the action even if the arrest subsequently lapses, applying the general civil law principle derived from Voet 5.1.64 that jurisdiction, once established at the commencement of proceedings, continues to exist even though the ground upon which it was established ceases to exist.
2. A judgment in rem given by a South African admiralty court against a vessel is directly executable against that vessel while it remains within the court's jurisdiction without the need for a fresh action in rem.
3. Under section 5(2)(f) of the Admiralty Jurisdiction Regulation Act 105 of 1983, the court has a wide judicial discretion to determine the rate of interest and the date from which it should run, and an appellate court will only interfere with the exercise of such discretion if it is satisfied that the court below did not exercise a judicial discretion.
4. The costs of preserving arrested property and the sheriff's remuneration in connection therewith properly form part of the costs of suit in admiralty proceedings, notwithstanding that they are incurred before judgment and are given priority ranking under section 11(4)(a) of the Admiralty Jurisdiction Regulation Act.
5. Under rule 8(3) of the Admiralty Rules, an owner who defends an action in rem (including by bringing an appeal) can be held liable in personam for costs, though not for the substantive claim.