Swiber Holdings has become the latest Singapore-listed offshore vessel operator to seek to relax covenants on several of its bonds.

The company said it is seeking the ammendments for better operational and financial flexibility, according to a regulatory filing.

Among the amendments being sought, Swiber wants to relax the interest coverage ratio to a floor of 2:1 in certain test periods betwen now and the end of 30 June 2016.