(1) It should consist of a certificate examination, a visual examination of a sufficient extent of the ship and its equipment, and certain tests to confirm that their condition is being properly maintained;
(2) it should also include a visual examination to confirm that no unapproved modifications have been made to the ship and its equipment; (3) the content of each annual survey is given in the respective guidelines. The thoroughness and stringency of the survey should depend upon the condition of the ship and its equipment; and (4) should any doubt arise as to the maintenance of the condition of the ship or its equipment, further examination and testing should be conducted as considered necessary. (2011 HSSC Survey Guidelines, 4. 2. 2. 2)
