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About ICAO
  • Overview
  • Strategic Plan 2026-2050
  • Latest News and Highlights
  • FAQs
  • List - ICAO Member States
  • ICAO Museum
  • ICAO Carbon Calculator
  • Report Misconduct
  • Contact ICAO
Diplomatic Bodies
  • ICAO Assembly (193 States)
  • Sessions of the Assembly
  • Resolutions in Force
  • ICAO Council (36 States)
  • President of the Council
  • Sessions of the Council
  • Council State Representatives
  • Air Navigation Commission
ICAO Secretariat
  • Secretary General
  • Air Navigation Bureau
  • Air Transport Bureau
  • Capacity Development and Implementation Bureau
  • Legal Affairs and External Relations Bureau
  • Administration Bureau
  • Regional Offices
Global Priorities
Strategic Goals
  • Every Flight is Safe and Secure
  • Aviation is Environmentally Sustainable
  • • CORSIA
  • • State Action Plans for Aviation CO2 Reduction
  • • Finvest Hub
  • Aviation Delivers Seamless, Accessible, and Reliable Mobility for All
  • No Country Left Behind
  • • Capacity Development and Implementation Support
  • The International Civil Aviation Convention and Other Treaties, Laws and Regulations Address All Challenges
  • The Economic Development of Air Transport Assures the Delivery of Economic Prosperity and Societal Well-Being for All
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 Global Implementation Support Symposium 2026
  • Fourteenth Meeting of the Facilitation Panel (FALP/14)
  • ICAO PKD Workshop Americas
  • 4th Civil Aviation Legal Advisers Forum (CALAF/4)
Event Information
  • Host your Event at ICAO
  • View the full list of Coming and Past Meetings & Events
Resources
Resources
  • ICAO E-Library
  • Publications
  • Annual Reports of the Council
  • Safety Audit Results - Interactive
  • Aviation Benefits Report
  • Economic Facts and Figures
  • Global Aviation Safety Plan
  • Safety Reports
  • Global Air Navigation Plan
  • Air Navigation Reports
  • ICAO Partnership Programme
  • ICAO API Data Service
  • ICAO Data+
  • ICAO iSTARS
  • Air Transport Monthly Monitor
  • Compendium: Competition Policies/Practices
  • Economic Analyses and Forecasting
  • Databases and Studies
  • Environment Reports
  • Environment Publications
  • ICAO TRIP Strategy Compendium
  • Unmanned Aviation
  • ICAO GIS Aviation Data
Procurement
Careers
Featured Articles
ICAO TV
ICAO store
Subscribe
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ICAO PKD - epassport validation roadmap tool certificate policy
​A Certificate Policy is a document developed by an Issuing State that describes the policies, procedures and technical details related to the issuance and control of certificates in the State’s…
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ICAO PKD - epassport validation roadmap tool CSCA
​Each State issuing an ePassport establishes a single Country Signing Certification Authority (CSCA) as its national trust point in the context of ePassports. CSCA certificates are generated and are…
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ICAO PKD - epassport validation roadmap tool CRL
CRLs are lists issued by a State to revoke any of its certificates that have been compromised. In addition, CRLs also serve to confirm that no such revocations exist for any of their certificates (i.…
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SAC - Aviation Net Zero
YearName of Initiative/ ProjectCountry / StakeholderScope2021JetBlue Celebrates Earth Month by Announcing Meaningful, Short-term Actions to Advance Decarbonization Efforts and Benefit its…
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SAC - Other Climate Initiatives
DateName of Initiative/ ProjectCategoryCountry / StakeholderScope2021-08-01Norway proposes gradual increase in carbon tax rateEmission ReductionNorwayNational2021-04-29Ryanair commits to 12.5%…
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​ICAO Partners on the Global Coalition for Sustainable Aviation
ResumeThe main objective of the ICAO Global Coalition for Sustainable Aviation is to promote the sustainable growth of international aviation.Here you will find out more about the initiatives from…
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ICAO PKD - ePassport Basics
There are more than 140 States and non-state entities (e.g. United Nations, European Union) currently issuing ePassports, and over 1 billion ePassports in circulation. ePassports add a layer of…
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ICAO PKD - why join the ICAO PKD
​​​​​If you have not already done so, you are encouraged to read the sections ePassport Basics and ePassport Validation. These pages provide some of the important foundational knowledge that will…
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ICAO PKD - how to participate
​​In order to participate in the ICAO Public Key Directory (PKD), States/Organizations are required to follow the procedure outlined below:Complete and send the Notice of Participation…
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ICAO PKD - ePassport Validation
​EPASSPORT VALIDATION DOES NOT REQUIRE OR INVOLVE ANY EXCHANGE OF THE PERSONAL DATA OF PASSPORT HOLDERS.ePassport validation is the process of verifying the digital signature on the chip of an…
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