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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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Showing 2521 - 2530 of 6350
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Publications
No. 9
Extended-range twin-engine operations (ETOPS) depend on the performance and high reliability offered by modern turbofans such as the Rolls-Royce Trent. Several Trent powerplants, with take-off thrust…
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Publications
No. 9
Extended-range twin-engine operations (ETOPS) depend on the performance and high reliability offered by modern turbofans such as the Rolls-Royce Trent. Several Trent powerplants, with take-off thrust…
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Publications
No. 10
Development of satellite-based technologies for use by civil aviation has entered the transition and implementation phase, and elements of the new air navigation system will be operationally…
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Publications
No. 10
Development of satellite-based technologies for use by civil aviation has entered the transition and implementation phase, and elements of the new air navigation system will be operationally…
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Publications
No. 10
Development of satellite-based technologies for use by civil aviation has entered the transition and implementation phase, and elements of the new air navigation system will be operationally…
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Web Page
CAPSCA Asia and Pacific
     Asia and Pacific (APAC) OfficeFocal Point:Remington LowRoss LockieEmail: apac [at] icao.int (subject: Further%20Information%20About%20CAPSCA) (apac[at]icao[dot]int)…
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Web Page
USAP/USAP-Principles
The Universal Security Audit Programme is based on the following nine principles: Sovereignty. Every State has complete and exclusive sovereignty over the airspace above its territory.…
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Web Page
USAP/The-Second-Cycle-of-USAP-Audits
The results of the audit follow-up visits demonstrated that, overall, States had made improvements in their obligations to meet Annex 17 Standards. However, varying levels of improvement were…
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Web Page
USAP/The-First-Cycle-of-USAP-Audits-and-Follow-up-Visits
Pursuant to Assembly Resolution A33-1: Declaration on misuse of civil aircraft as weapons of destruction and other terrorist acts involving civil aviation, from 2002 to 2007, 181 Member States and…
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Web Page
USAP/Background-and-Evolution
Prior to the establishment of the ICAO USAP, a number of ‘technical evaluations’ were conducted in States on a voluntary basis in order to assess compliance with the Standards of Annex 17 and to…
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