Source: International Convention for the Safety of Life at Sea (SOLAS), Chapter II-1, Part C – Machinery Installations, Regulation 29.
Reference: imorules.com – Regulation 29
Question 6 of 10
6. The main steering gear shall be capable of putting the rudder over from 35 degrees on one side to 35 degrees on the other side with the ship at its deepest seagoing draught and running ahead at maximum ahead service speed, and from 35 degrees on either side to 30 degrees on the other in not more than: