We received an enquiry for a rudder repair on a 120-meter trawler. The ship was operating off the coast of the Shetland Islands when a defect occurred on its flap rudder, making it difficult to navigate safely. We immediately mobilized a diver/technician team to the vessel’s location in Lerwick.
The diver/technicians arrived at the ship’s remote location very quickly after the green light for the operation had been given.
Because of the remote location of the vessel there was no suitable drydock...
https://allaboutshipping.co.uk/2025/04/29/underwater-rudder-repair-in-the-shetland-islands/