Diana Containerships plans to sell its fifth ship in two months, bringing its fleet down to a quartet of two post-panamaxes and two panamaxes.

The US-listed boxship owner has entered into a memorandum of agreement to sell its 6,541-teu Puelo (built 2006) for $20.5m to an unaffiliated third party.

The Simeon Palios-led company plans to use all or some of the money from the sale of the post-panamax to pay down debt, which stands at $65.4m,