Sweden's Thun Tankers has inked a newbuilding contract to serve a long-term charter with Geos Group of the UK.

The 4,250-dwt product tanker will be delivered in October 2020 and will be of the NAABSA design - Not Always Afloat But Safely Aground.

This means it is able to call at tidally restricted niche ports. No price has been revealed.