Applicability, procedure, etc. for flag change from non-Japanese to Japanese without drydocking Full-text PDF:TEC- 1208 (27kb) Contact:Survey Department Issued:8 Sep 2020 ClassNK sometimes receives inquiries for applicability of flag change from non-Japanese to Japanese on existing ships outside of the timing of drydocking. Accordingly, this Technical Information has been issued to remind that "it is not mandatory to bring the ship into drydock for changing her flag to Japanese", and it includes points to be noted regarding the procedure for flag change of the ship to Japanese without drydocking. 1. Applicability of flag change to Japanese outside of the timing of drydocking The flag of an existing non-Japanese ship can be changed to a Japanese one outside of the timing of drydocking as well as at the timing of drydocking. 2. Points to be noted regarding the procedure for flag change to Japanese without drydocking No