National Standard for Commercial Vessels 

Part C - Design and construction 

Section 6 - Stability 

Sub-section 6A - Intact stability requirements 

Edition 1.4

Commenced 1 October 2024

NSCV C6A provides requirements for the stability of vessels. 

Specifically, this subsection provides the minimum required intact stability criteria for vessels. 

This subsection applies to all domestic commercial vessels except: 

• fast craft 
• leisure craft 
• novel vessels 
• special purpose vessels 

However, it does apply to those vessels if Part F specifies it should.

NSCV C6A updated 1 October 2024 (Edition 1.4)

What has been updated

[1] Clause 7.4.5 Figure 18

Replace:

With:  

Minor amendments to 8 NSCVs

We've made minor amendments to 8 NSCVs, including this one, to address editorial issues. See the full list of changes: NSCV Omnibus amendments instrument No 1, 2024 PDF1.11 MB

Guidance notices and fact sheets for domestic commercial vessel owners and operators

Uniform Shipping Laws code

Generic equivalent solutions:

• Alternative criteria for towing stability assessment PDF172.72 KB
• Application of ISO 12217 Part 2 ‘small craft – stability and buoyancy assessment and categorisation – sailing boats of hull length greater than or equal to 6 metres’ PDF228.25 KB
• Use of simplified stability criteria decked and open vessels less than 7.5 metres length carrying passengers to sea PDF172.72 KB

Policy and Regulation Division

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