NSCV Sub-section C6C— Stability tests and stability information

The National Standard for Commercial Vessels (NSCV) Sub-section C6C provides the requirements for stability tests and stability information.

Full title 

NSCV Part C: Design and construction

Section C6: Stability 

Sub-section C6C: Stability tests and stability information 


NSCV Sub-section C6C: Stability tests and stability information – January 2023 (PDF 2.7 MB)


The National Standard for Commercial Vessels (NSCV) Sub-section C6C specifies the requirements for: 

a) stability tests conducted for the purpose of establishing and verifying a vessel’s stability characteristics; and  

b) stability information provided for the use of persons who have a responsibility for the safety of the vessel. 

This Sub-section shall be read in conjunction with: 

  • NSCV Sub-section C6A—Intact Stability Requirements, and 
  • NSCV Sub-section C6B—Buoyancy and Stability After Flooding.  

This Sub-section should also be read in conjunction with Marine Order 504 (Certificates of operation and operation requirements — national law). 

This Sub-section applies to all vessels other than Special Vessels provided for in NSCV Part F of this standard, unless NSCV Part F specifies otherwise. 


This NSCV was updated as a result of the Omnibus amendments instrument No 1, 2021. (AMSA has made minor editorial amendments to six NSCVs to address minor issues in nature raised by industry). 

Summary of changes:

  1. In the note following clause Simplified stability documentation, b) 

The list of changes are available via the following link: NSCV Omnibus amendments instrument No1 2021 (PDF 518.45 KB).


Previous editions: 


Assistance and Tools 


Policy and Regulation 

To provide feedback or report issues / errors with this or any other any NSCV or related webpages, contact us at 

Please include the name and clause number of the NSCV in the email.

For questions that relate to an application please email

Last updated: 

Thursday 5 January 2023