Norway's Seaway 7 has revealed an accident involving its new wind farm installation ship at a shipyard in China has placed a question mark over its scheduled work in 2022.

The Oslo-listed company, formed in October by the merger of Arne Blystad's OHT and the renewables business of Kristian Siem's Subsea 7, said that on 18 October it had been told of an incident involving the folding A-frame on the main crane of the Alfa Lift at China Merchant Industry Holding.