Sea ice trials are arranged to test the ship's performance in design ice conditions. Areas and times where suitable ice conditions are in present at suitable times for trials. Level ice, deformed ice and ridges of specified size are suitable for testing need to be found. Historical ice information is used to find suitable locations and times for testing the ship’s performance in ice. Gliffy Diagram macroId 0f3f7992-dfd1-462a-9901-f9e382f54d4f displayName Planning of sea ice trails name Planning of sea ice trails pagePin 38