Skip to main content
  • English
User account menu
  • Log in
Home
International Civil Aviation Organization
ICAO store
User account menu
  • Log in
Seach MENU
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

  • 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
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
Subscribe
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
  • 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
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
  • English

Breadcrumb

  1. Homepage
  2. ICAO PKD
  3. ICAO PKD - How To Participate
  • Home
  • ePassport Basics
  • ePassport Validation
  • ePassport Validation Roadmap Tool
  • PKD Governance
  • Events
  • ICAO PKD Participants
  • Why join the ICAO PKD?
  • How to Participate
  • Publications
  • The ICAO Master List and ICAO Health Master List
  • The ICAO CA and CRL
  • Data Quality Coach Programme
  • Pilot project - Authorizing use of data from the ICAO PKD by the Private Sector
  • The ICAO Automated Border Control (ABC) Cost Benefit Analysis Tool
  • Frequently Asked Questions
  • Contact Us
  • Feedback and Complaints

How to Participate

​​In order to participate in the ICAO Public Key Directory (PKD), States/Organizations are required to follow the procedure outlined below:

  1. Complete and send the Notice of Participation (Attac​hment A​ of the ICAO PKD MoU) and the Notice of Registration (Attachment B of the ICAO PKD Procedures) to the Secretary General of ICAO. These Notices should also be sent in advance via email to ICAO-PKD [at] ICAO.INT (ICAO-PKD[at]ICAO[dot]INT). 
     
  2. Make arrangements with the ICAO Secretariat to pay the PKD Registration Fee as established in Attachment B of the ICAO PKD MoU. Payment can be made by way of an invoice.
     
  3. Pay the Registration Fee to ICAO.
     
  4. Once payment is credited to ICAO's account, the State/Organization will receive the required documentation for establishing communication with the ICAO PKD Operator and performing the required tests.
     
  5. Follow the procedures contained in the Procedures for the ICAO Public Key Directory.

 

The signed original Notice of Participation should be sent to the following address:

Secretary General

International Civil Aviation Organization

999 Robert-Bourassa Boulevard

Montréal, Québec

Canada

H3C 5H7

 

Please note, a copy of the Notice of Participation should be sent via email to:

ICAO-PKD [at] ICAO.INT (ICAO-PKD[at]ICAO[dot]INT).

 

For more information, please contact ICAO-PKD [at] ICAO.INT (ICAO-PKD[at]ICAO[dot]INT)
 

Learn more about ICAO
  • Contact ICAO
  • The United Nations
  • Terms & Conditions
  • External Resources
  • web [at] icao.int (Web Support)
  • FAQ
Connect with us :
  • linkedIn
  • Facebook
  • Unitingaviation
  • ICAO-TV
  • Instagram
  • Youtube

© 2025 International Civil Aviation Organization