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Working together to solve challenges in maritime business.

Contributing to society as a whole through expansion of certification field.

Services for Wind Turbine

Press Release

26 May: Global Ro-Ro Community Develops Guidelines for Calculating GHG Emission Intensity for Ro-Ro Ships Standardizing Calculation Methods to advance decarbonisation across the shipping industry

21 May: ClassNK releases report “ClassNK Alternative Fuels Insight (Version 3.0)” - Providing new information on cost simulations reflecting approval at MEPC 83-

21 May: ClassNK grants Innovation Endorsement for Products & Solutions to “FALCONs” developed by MITSUI E&S Co., Ltd.

Technical News

20 Jun: On 20 June 2025, Technical Rules and Guidance were partly amended.

11 Jun: Released TEC-1351 "LRIT conformance test for Panamanian flagged ship"

02 Jun: Release of the "NOTATION HANDBOOK (2025-2 Edition)"

News & Events

16 Jun: Email address pre-registration for the new log-in system has started

11 Jun: Beware of Fraudulent Billings Impersonating a ClassNK Staff

23 May: Information about changing log-in for ClassNK Services

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