(1) An initial survey before the ship is put in service;
(2) a renewal survey at intervals of not more than 5 years; (3) a periodical survey within 3 months before or after the 2nd anniversary date or 3rd anniversary date of the certificate which must take the place of one of the annual surveys; (4) an annual survey within 3 months before or after each anniversary date of the certificate; and (4) 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. (SOLAS reg. 1/8)
