Published on Australian Maritime Safety Authority (

General requirements - B

Find out about vessel categories, calculating vessel size, and read the dictionary of definitions.


Download NSCV Part B - General requirements


Full title 

National Standard for Commercial Vessels

Part B – General requirements 

Current edition

Edition 2.4

Commenced 1 January 2023


NSCV Part B - specifies the following:  

  1. the application and objectives of the NSCV;  
  2. a system for the categorization of vessels;  
  3. methods for calculating the measured length, depth and gross tonnage of vessels;  
  4. a dictionary of definitions for the NSCV

This NSCV was updated as a result of the NSCV Omnibus amendments instrument No 1, 2022 (AMSA has made minor editorial amendments to eight NSCVs to address consequential amendments resulting from the revocation of NSCV Part D).

The full list of changes is available via the following link: NSCV Omnibus amendments instrument No1 2022 PDF241.31 KB

The NSCV Part B (Specified Area) Determination was updated in December 2023 to give effect to amended operational limits for some areas of Tasmania. Updated maps for Tasmania were also made available.

SupersededSuperseded standards for commercial vessels
Assistance and tools 

NSCV Part B (Recognised Islands) Determination 2016  

NSCV Part B (Specified Areas) Determination 2023 and schedules listed below:  

More maps are available for Tasmania depicting the C restricted areas and sheltered water limits:  

Generic equivalent solution:


Policy and Regulation Division

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 enquiries relating to an application please email


Last updated: 21 December 2023