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About ICAO
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
  • 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
  • 2026 ICAO Air Law Treaty Workshop Tanzania (Third Edition)
  • 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)
  • View the Full List of Coming and Past meetings and Events
  • Host your event at ICAO
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
Careers
Featured Articles
ICAO TV
ICAO store
Subscribe
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ICAO PKD - epassport validation roadmap tool domestic policy operational procedures
To ensure that there is not an unnecessarily high through-put to secondary inspection, the inspection system must be designed to support the specific needs of the Receiving State. This will require…
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ICAO PKD - epassport validation roadmap tool system requirements
Once the ePassport chip has been accessed, ePassport validation can begin. At a minimum, this will involve a process called passive authentication. Passive authentication is the process of…
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ICAO PKD - epassport-validation-roadmap-tool-access
For an inspection system in a receiving State to conduct ePassport validation, the inspection system must have access to certain information from the State that issued the travel document: Country…
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ICAO PKD - epassport validation roadmap tool basics
Cryptography 101 Traditional cryptography uses the same key to encrypt information as it uses to decrypt information. As a result, it requires that the keys used for encryption and decryption be…
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ICAO PKD - epassport validation roadmap tool validating CSCA
As CSCA certificates are the anchor in the trust chain for the ePassport validation process, it is very important to ensure that they are valid. Doc 9303 indicates that trust in a CSCA certificate…
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ICAO PKD - epassport validation roadmap tool document readers
Process description It is important to note that the process of validating an ePassport does not contribute to protecting the privacy of the information on the chip. To protect the privacy of…
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ICAO PKD - epassport validation roadmap tool introduction
​​Disclaimer – This information has been compiled as a tool and is not intended to replace Doc 9303 or any other supporting documents and technical reports. This document is subordinate to official…
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ICAO PKD - epassport validation roadmap tool master list
A Master List is a list of CSCA certificates that has itself been produced and digitally signed by an issuing State. In simple terms, a PKD participant may bilaterally exchange CSCA certificates with…
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