Anchor handling tug supply vessels in the North Sea will not be able to depend on a demand increase for a recovery from the worst downturn of the past 30 years, according to London-based Maritime Strategies International (MSI).

However, a significant number of special surveys coming due for AHTS vessels in the North Sea are likely to make poor economic sense, which MSI senior analyst James Frew says may help address the severe oversupply of ships in the medium term.