Swedish owner Rederi AB Gotland has posted a dip in earnings over the first eight months of 2017.
The product tanker, ro-pax and wind farm service vessel player said net profit to 31 August was SEK 232m ($28.32m), down from SEK 298m in the same period last year.
Operating earnings came in at SEK 327m, from SEK 374m, while revenue rose to SEK 1.65bn, versus SEK 1.52bn in 2016.
But operating costs rose to SEK 1.17bn from SEK 1.07bn.