Two beneficiaries of US-flag maritime programmes are pitted against one another as Matson fights a US government decision that it says subsidises a competitor in the Pacific market.

Attorneys for Hawaii shipowner Matson are poised to file legal briefs this month in a federal action seeking to overturn the US Maritime Administration’s decision to allow two APL ships to enter the Maritime Security Program (MSP), which provides a government stipend to participating US-flag ships.