Norio Yamamoto, Hirofumi Takano, Toshiro Koiwa, and Akio Usami, Nippon Kaiji Kyokai (ClassNK).
Japan LNG carriers are now entering a new era of longer operational service lives.
While consideration is being given to designs and plans for the construction of new ships with design lives significantly longer than those of conventional ships, the industry also is seeking to keep the currently well-maintained existing fleet in extended service.