Russia's Vyborg Shipyard has plunged to a loss in the first half of 2018.
The net deficit was RUB 86.1m ($1.26m), against a profit of RUB 147.9m a year ago.
Revenue was lower at RUB 4bn against RUB 4.17bn in 2017.
The yard has an orderbook of three icebreakers for the Russian state due this year.