CAEP Working Group 2

Group Description


The main aim of Working Group 2 (WG2, Airports and Operations) is to consider environmental issues related to airports and aircraft operations in the vicinity of the airports. The objective of the work programme of WG2 is to develop and disseminate guidance to States, aviation authorities and planners on environmental issues related to airport expansion, construction and operation, define operational procedures, strategies, and opportunities. The development of global best practices in these areas can lead to the improvement of environmental management policies.

Current Work

The WG2 work programme for the CAEP/12 cycle (2019-2022) includes various topics such as:

  • Airport Planning – Land use and environmental management
    • -Investigation on possible indicators for encroachment
    • -Eco-Airport Toolkit collection
    • -Monitor developments and maintenance of ICAO Publications
  • Climate Change Risk Assessment, Adaptation, and Resilience
    • -Determine a methodology and timeline for ensuring the information in the synthesis stays current and incorporates the latest scientific information
    • Review and assess the synthesis information for suitability and relevance for dissemination by facts sheets.
    • -Develop and distribute a report on identified steps to develop climate change risk assessments, adaptation and resilience measures for aviation stakeholders to consider in air and ground planning
  • Operational measures to reduce noise and emissions:
    • -Operational Opportunities to Reduce Aircraft Noise
    • -Assessment of the potential for an airport database on noise and emissions management initiatives
  • Air navigation and traffic management
    • -Review of the 2019 update to the Global Air Navigation Plan
    • -Understanding Aviation Stakeholder Community Engagement needs in the context of delivering ATM change
    • -Environmental metrics of relevance to the Global Aviation System
    • -Flight efficiency
    • -Environmental impact of Unmanned Aircraft Operations at and around airports

Main Publications

-Doc 9184 - Airport Planning Manual, Part 2, Land Use and Environmental Management

-Eco-Airport e-collection

-Doc 9968 - Report on Environmental Management Systems (EMS) Practices in the Aviation Sector

-Circular 351 – Community Engagement for Aviation Environmental Management

-Doc 10013 - Operational Opportunities to Reduce Fuel Burn and Emissions (ex Cir. 303)

-Doc 9889 - Airport Air Quality Manual

-Doc 10021 -Independent Expert Report on Medium and Long Term Operational Fuel Burn Goals

-Doc 9829 – Guidance on the Balanced Approach to Aircraft Noise Management ( Second Edition, 2008)

-Doc 10031 – Environmental Assessment Guidance for proposed Air Traffic Management Operational Changes

-Doc 9750 – Global Air Navigation Plan for CNS/ATM Systems

-Doc 8168 – Procedures for Air Navigation Services – Aircraft Operations(OPS)

-Doc 9931 – Continuous Descent Operations (CDO) Manual

-Circular 317 – Effects of PANS-OPS Noise Abatement Departure Procedures on Noise and Gaseous Emissions

-Doc 9911 – Recommended Method of Computing Noise Contours around Airports (ex Cir. 205)

-Doc 9888 – Noise Abatement Procedures: Review of Research, Development and Implementation Project – Discussion of Survey Results (2010)


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