Subject to section 22, an action in personam may be brought in the High Court in all cases within the Admiralty jurisdiction of that court.
In the case of any such claim as is mentioned in section 20(2)(a), (c) or (s) or any such question as is mentioned in section 20(2)(b), an action in rem may be brought in the High Court against the ship or property in connection with which the claim or question arises.
In any case in which there is a maritime lien or other charge on any ship, aircraft or other property for the amount claimed, an action in rem may be brought in the High Court against that ship, aircraft or property.
In the case of any such claim as is mentioned in section 20(2)(e) to (r), where—
an action in rem may (whether or not the claim gives rise to a maritime lien on that ship) be brought in the High Court against—
In the case of a claim in the nature of towage or pilotage in respect of an aircraft, an action in rem may be brought in the High Court against that aircraft if, at the time when the action is brought, it is beneficially owned by the person who would be liable on the claim in an action in personam.
Where, in the exercise of its Admiralty jurisdiction, the High Court orders any ship, aircraft or other property to be sold, the court shall have jurisdiction to hear and determine any question arising as to the title to the proceeds of sale.
In determining for the purposes of subsections (4) and (5) whether a person would be liable on a claim in an action in personam it shall be assumed that he has his habitual residence or a place of business within England or Wales.
Where, as regards any such claim as is mentioned in section 20(2)(e) to (r), a ship has been served with a writ or arrested in an action in rem brought to enforce that claim, no other ship may be served with a writ or arrested in that or any other action in rem brought to enforce that claim; but this subsection does not prevent the issue, in respect of any one such claim, of a writ naming more than one ship or of two or more writs each naming a different ship.