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Description:

CAEP's Working Group 4 deals with technical issues relating to the implementation of the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), including the maintenance of the related Standards and Recommended Practices (SARPs) contained in Annex 16, Volume IV to the Convention on International Civil Aviation and related guidance contained in the Environmental Technical Manual (Doc 9501), Volume IV.

Current work:

• Maintenance of Annex 16, Volume IV and related guidance material
• Work on the ICAO CORSIA CO₂ Estimation and Reporting Tool (CERT)
• Development of further guidance on monitoring, reporting and verification (MRV) in CORSIA
• Development of recommendations related to the management of emissions units in CORSIA
• Technical analysis to support deliberations on CORSIA in relevant ICAO bodies
  
  Main publications (Reference publications):

• Annex 16 — Environmental Protection, Volume IV— Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA)
• Environmental Technical Manual (Doc 9501), Volume IV – Procedures for demonstrating compliance with the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA)
  
  Milestones
  
  Working Group 4 was established by the Committee on Aviation Environmental Protection (CAEP) at its 11th meeting (Montréal, Canada, 4 – 15 February 2019) as a successor of CAEP's Global Market-Based Measure Technical Task Force (GMTF). The group is currently working as per its approved Work Programme for the CAEP/12 cycle (February 2019 – February 2022).