Maritime Rules Part 73


Current version of Part 73

This rule applies to:

  • New Zealand commercial ships engaged on international voyages
  • passenger and non-passenger ships of 45 metres or more in length that proceed beyond restricted limits
  • self-propelled mobile offshore drilling units of 500 tonnes gross tonnage or more
  • fishing ships involved in international voyages, which means voyages involving a call at a port in a country outside New Zealand.

Download Maritime Rules Part 73[PDF: 341kB, 39 pages]

Part 73 provides for the standardised shipboard recording of routine and emergency operational information and significant, generally untoward events affecting the ship and its safety, and the safety and well-being of the people onboard.

The rules in Part 73 give effect to the various recording requirements under SOLAS 74, and provide verification of compliance with the submersion requirements of the International Convention on Load Lines 1966.

Provision is also made for recording exercises of shipboard oil pollution emergency plans, which is required to be carried under MARPOL 73/78.

Material incorporated by reference

Standards and codes referenced in some rules can be found here

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History of Part 73



This Part was amended by Maritime Rules Various Amendments 2014, in 2015.

Maritime Rules Various Amendments 2014 [PDF: 366kB, 18 pages]



This part was amended by Parts 20, 31, 32, 34 and 35: Consequential Amendments in April 2014.

Parts 20, 31, 32, 34 and 35: Consequential Amendments 2014 [PDF: 378kB, 14 pages]



This part was amended by Maritime Rules Various Amendments 2011, in 2011.

Maritime Rules Various Amendments 2011 [PDF: 948kB, 15 pages]



This part was amended by Maritime Various Amendments Rules in Parts 20-91 in 2008.

Maritime (Various Amendments) Rules 2008 [PDF: 466kB, 69 pages]



This part was first amended by Maritime Rules Parts 20-90 in 2004.

Maritime Rules Amendments to Parts 20-90 2004 [PDF: 224kB, 44 pages]


New part comes into force

Part 73 entered into force on 1 February 1998.


New part signed

Part 73 was signed into law by the Transport Minister on 3 December 1997.

Part 73: Original rule [PDF: 3.97MB, 50 pages]