Interim Technical Notes

Interim Technical Notes (ITNs) provide supporting information on specific technical issues or areas related to maritime rules. ITNs should not be treated as substitutes for the rules, which are the law.

Latest notes

ITN-01-21 Fixed Fire-Extinguishing Systems That May Be Considered as Equivalent to a Fixed CO2 System[PDF: 303kB, 3 pages] ITN-002-20 Autonomous Ship Operation in New Zealand[PDF: 324kB, 8 pages] ITN-01-20 Hull configurations, freeboard and stability requirements for small boats[PDF: 529kB, 8 pages] ITN-04-19 Windlass for anchor of less than 30kgs[PDF: 226kB, 3 pages] ITN-03-19 Safe havens - Responsibility of the operator and surveyor[PDF: 113kB, 4 pages] ITN-02-19 Shelter and passenger accommodation for non-passenger vessels (within restricted limits)[PDF: 117kB, 4 pages] ITN-22-18 Ring-fenced tickets - Equivalence to SRL endorsements[PDF: 144kB, 3 pages] ITN-21-18 High Speed Endorsements[PDF: 119kB, 1 page] ITN-12-18 Radio surveyor quality assurance system - clarification[PDF: 77kB, 3 pages] ITN-11-18 Standard for the inspection of wire rope used on ship’s lifting appliances in New Zealand[PDF: 472kB, 3 pages] ITN-08-18 Rule Clarification - vessels coming from Australia and in Class[PDF: 121kB, 5 pages] ITN-02-18 Non-metallic seacocks and through-hull fittings[PDF: 744kB, 8 pages]