The Singapore-based but Turkish-owned company is said to have ordered up to four 158,000-dwt crude oil tankers at Hyundai Heavy Industries (HHI).

Market sources say Active has signed up for two firm vessels, with two options, at around $65m each, with delivery of the firm vessels scheduled for late 2017.

Yard officials decline to comment, citing confidentiality clauses.

HHI has been active in securing suezmax tanker newbuildings of late.