Safety Radio (SR) survey of Japanese flag ships (Revision) Full-text PDF:TEC- 1212 (56kb) Contact:Material and Equipment Department Issued:28 Oct 2020 Procedures regarding the Safety Radio (SR) survey of Japanese flag ships were announced in ClassNK Technical Information No.TEC-0940 dated 25 December 2012. This Technical Information provides the revised information and supersedes the previous ClassNK Technical Information No.TEC-0940. Revision of a part of the Ship Safety Act (Article 8) was promulgated on 12 September 2012 and effective on 1 January 2013. The Classification Societies, including ClassNK carry out SR Survey and issue SR Certificate of Japanese flag ships since 1 January 2013 on behalf of the Ministry of Land, Infrastructure, Transport and Tourism (hereinafter "the Maritime Authority"). We inform ClassNK's procedures of SR Survey and the Issuance of SR Certificate as follows. 1. Impl