Four creditors are asking a US federal judge to auction a NewLead Holdings vessel in an effort to collect on promissory notes to the Michael Zolotas-led shipowner.

The request is part of growing legal problems encircling the 35,400-dwt bulker Newlead Castellano (built 2013), which has been under arrest off Savannah, Georgia, for more than a month.

Lawyers for Ray Capital, Oppenheim Capital, Cheyenne Holdings and Labroy Shiptrade made the request to Magistrate Judge GR Smith amid mounting costs of the arrest.

“The