Tschudi Shipping of Norway has revealed it has left shipowning, having sold its last anchor handling tug supply (AHTS) vessels.

The revelation in its annual report for 2017 comes as the company's logged a pre-tax loss of $14.3m for last year, compared with a $27.4m deficit in 2016. Revenue dropped from $50.4m to $42.4m.

Oslo-based Tschudi reported negative book equity of $11.8m