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  • Administration Bureau
  • Regional Offices
Global Priorities
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  • Every Flight is Safe and Secure
  • Aviation is Environmentally Sustainable
  • • CORSIA
  • • State Action Plans for Aviation CO2 Reduction
  • • Finvest Hub
  • Seamless, Accessible, and Reliable Mobility
  • No Country Left Behind
  • • Capacity Development and Implementation Support
  • Comprehensive Legal Framework
  • Economic Development
Enablers
  • ICAO Continuous Improvement
  • Innovation in Aviation
  • Next Generation Aviation Professionals
  • Gender Equality
  • ICAO Global Ambassadors Programme
  • ICAO Training
  • Partnerships and Resource Mobilization
Events
Featured Events
  • ICAO/AWG Joint Regional Workshop on Cross-Border Transferability of Aircraft (XBT) and Compliance with the Cape Town Convention (CTC)
  • ICAO Global Implementation Support Symposium 2026
  • Fourteenth Meeting of the Facilitation Panel (FALP/14)
  • 4th Civil Aviation Legal Advisers Forum (CALAF/4)
  • View the Full List of Coming and Past meetings and Events
  • Host your event at ICAO
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Environmental Assessment

Page Content
​Guidance on Environmental Assessment of Proposed Air Traffic Management Operational Changes

The purpose of Doc 10031 is to provide States, airport operators, air navigation service providers (ANSP) and other stakeholders with environmental assessment guidance to support decision making when analysing proposed air traffic management (ATM) operational changes. The guidance provides high-level environmental assessment principles intended to facilitate the use of a consistent approach for assessing the environmental impacts of operational changes.

ICAO has developed this dedicated web page where a variety of environmental assessment case studies are posted. The case studies demonstrate application of the Doc 10031 methodology. Readers are also invited to submit their own case studies via this web page. Case studies should be submitted using the form available here.

Please download the form and return by email to: env [at] icao.int (env[at]icao[dot]int)

Click here to download publication.         

 Environmental Assessment Case Studies
TitleUse SHIFT+ENTER to open the menu (new window).
Date of AssessmentUse SHIFT+ENTER to open the menu (new window).
Australia: Canberra Airport ITAR (Implementation of Terminal Area RNP - AR)January 2013
CAEP WG2 ASBU Task Group Aviation System Block Upgrade (ASBU) AnalysisJuly 2015
France: ILS Interception Altitude Increase in Paris area2008-2011
France: new GNSS procedure QFU 30 at Nevers Airport2009-2012
Germany: FRAMaK case studyJuly 2015
Italy: Italian Airspace ReorganizationFebruary 2014
NATS - London Airspace Management Project (LAMP)6 November 2015
Sweden: SESAR  AIREII:VINGA Validation and implementation of next generation airspaceNovember 2011
United Kingdom: SESAR Operational Focus Area: Full implementation of P-RNAV in TMAFebruary 2012
US FAA NextGen Greener Skies over Seattle20 October 2015
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