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,