Appendix 2 – Flowcharts for survey and certification of marine diesel engines (Refer to 2.2.9 and 2.3.11 of the NOxTechnical Code 2008)
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Statutory Documents - IMO Publications and Documents - International Codes - NOx Technical Code (2008) - Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines - Appendix 2 – Flowcharts for survey and certification of marine diesel engines(Refer to 2.2.9 and 2.3.11 of the NOxTechnical Code 2008)

Appendix 2 – Flowcharts for survey and certification of marine diesel engines (Refer to 2.2.9 and 2.3.11 of the NOxTechnical Code 2008)

 Guidance for compliance with survey and certification of marine diesel engines, as described in chapter 2 of this Code, is given in figures 1, 2 and 3 of this appendix:

  • Figure 1: Pre-certification survey at the manufacturer’s facility

  • Figure 2: Initial survey on board a ship

  • Figure 3: Renewal, annual or intermediate survey on board a ship

  Note: These flowcharts do not show the criteria for the certification of an existing engine as required by regulation 13.7.

Figure 1 Pre-certification survey at the manufacturer's facility

Figure 2 Initial survey on board a ship

Figure 3 Renewal, annual or intermediate survey on board a ship


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