Regulation for the prevention of air pollution by ships.


Annex VI entered into force 19 May 2005 with the objective to reduce air pollution from ships.

In general, Annex VI applies to all ships 400 GT and above, and to all fixed and floating drilling rigs and other platforms.

Annex VI contains a set of requirements for survey and issuance of International Air Pollution Prevention Certificate (IAPP) and regulations regarding:

  • Ozone depleting substances from refrigerating plants and fire fighting equipment

  • Nitrogen Oxides (NOx) from diesel engines

  • Sulphur Oxides (SOx) from diesel engines

  • Volatile Organic Compound Emissions from cargo tanks of oil tankers

  • Shipboard Incineration

  • Fuel oil quality

DNV GL has been authorised by numerous flag administrations to issue International Air Pollution Prevention Certificates (IAPP).

Related contact information


for DNV classed

for GL classed

Revised MARPOL Annex VI

Technical and operational implications

Enter into force 1 July 2010Guide (.pdf/9MB)