(1) An initial survey including an inspection of the outside of the ship’s bottom before the ship is put in service;
(2) a renewal survey at intervals specified by the flag State Administration but not more than every 5 years; (3) an intermediate survey within 3 months before or after either the second or third anniversary date of the certificate (replacing the annual survey); (3) an annual survey within 3 months before or after each anniversary date of the certificate; (5) a minimum of two inspections of the outside of the ship’s bottom in any five-year period, with the interval between any two inspections not exceeding 36 months; and (6) an additional survey, either general or partial, according to the circumstances, after a repair resulting from an investigation or whenever any important repairs or renewals are made.
