Sustainable Certification Scheme for ICAO CORSIA
Overview
In order to support the industry's growing needs for sustainable aviation fuels, ClassNK SCS provides our scheme for verification services of diverse CORSIA eligible fuels.
ClassNK SCS is contributing towards the creation of low carbon societies worldwide through these services.
News and Topics
May. 1, 2026 Documents（ClassNK SCS Manual, Requirements for Certification bodies, Requirements for Economic operators, ClassNK SCS Procedures, Appendix2, Appendix4, Appendix5）and List of Certification Bodies Updated
Approved by ICAO (Link)
Documents (ClassNK SCS Manual and APPENDIX 5) Updated
Documents Uploaded
Documents
Published Documents
ClassNK SCS publishes the following documents.
| Documentation | Document No. | Document |
|---|---|---|
| ClassNK SCS Manual | SCS100 | |
| Requirements for Certification bodies | CB100 | |
| Requirements for Economic operators | EO100 |
Procedures
| Documentation | Document No. | Document |
|---|---|---|
| ClassNK SCS Procedures | P001～P014 |
Appendix
Lists
List of Certified Economic Operators
List of Economic OperatorsList of any other Eligible SCS
Other Eligible SCSList of Economic Operators claiming CORSIA Emission Credits
Claiming CORSIA Emission CreditsAddress and Contact Details
ClassNK SCS
4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, JapanTel: +81-3-5226-3025
Fax: +81-3-5226-3026
E-mail: scs@classnk.or.jp