What is the ClassNK

The ClassNK is the brand identity for Nippon Kaiji Kyokai which is a ship classification society with head quarters located in Tokyo. For vessel owners seeking ship classification, registration or one of the related services that ClassNK can provide, it is advised to research the organization and ascertain the rights, requirements and restrictions imposed by ClassNK.

Class NK explained

The ship classification society ‘ClassNK’ is an internationally renowned not for profit organization that aims to ensure the safety of life and property at sea. Additionally, ClassNK operates in a manner to ensure prevention of pollution of the marine environment.

One principle focus of Class NK is to conduct specialist surveys to reinforce and ensure certain rules are followed and developed accordingly. The rules set by ClassNK are applicable to both old and newly built vessels and cover everything from the cargo handling gear and hulls, to safety equipment and machinery.

The primary responsibilities of the ClassNK organization can be categorized into the following;

  • Ship classification surveys
  • Statutory surveys
  • International flag state certification
  • Enforce ClassNK rules and regulations regarding vessels
  • Certification for safety management systems
  • Appraisal, consulting and supervisory services

ClassNK is most widely known for its dedication to the ship classification industry and as such, is one of the most highly regarded ship classification societies in the world. In addition to the typical ship classification services offered, ClassNK also provides a number of related services including;

  • Inspection of materials and equipment
  • Survey and registration of ships, ship installations, machinery and offshore structures
  • Approval of service providers
  • Testing and inspection of material and machinery
  • Surveys for maintenance of class

The overall mission and objective of ClassNK is to deliver quality classification services and continually maintain a non-profit status as an independent third party organization within the ship classification industry.