A cargo owner and its insurer are back in court, looking to arrest a Pacific Basin Shipping bulker after more than two dozen massive oil pumping units fell into the ocean, costing them more than $5m.

AGCS Marine Insurance and Weatherford Artificial Lift Systems filed suit in the US federal court for the Southern District of New York on Friday, asking the court to arrest the 37,478-dwt Imabari Logger (built 2014) so they can recover $5.4m