Asia & Pacific Regional Sub-Office (APAC RSO)


ICAO is funded and directed by 193 national governments to support their diplomacy and cooperation in air transport as signatory states to the Chicago Convention(1944).The Asia & Pacific Regional Sub-Office (APAC RSO) was inaugurated on 27 June 2013 and is hosted in Beijing by the Civil Aviation Administration of China (CAAC). For more information , please visit: RSO History (


 Achieve the sustainable growth of the global civil aviation system.

Role of RSO 

RSO complements the APAC Regional Office in Bangkok and provides service to 39 APAC States, but slightly different in roles. For more information , please visit: Role of RSO

Main Responsibilities

RSO is focusing on ATM implementation in the APAC Region and in line with APAC Seamless ANS plan approved by APANPIRG. This includes Air Traffic Flow Management (ATFM), Civil Military Cooperation (CMC), Performance Based Navigation (PBN) and ATS route structure. RSO outreach to various APAC States has included seminars, workshops , technical assistance online and on-site ,webinars etc.  

Recent Activities in RSO

ATM Imple.jpg   PBN act.jpg   ATM safe.jpg                 ATM Implementation                                     PBN Activities                                  ATM Safety Culture

ATFM.jpg     Civil and Military.jpg     cooperation.jpg

                        ATFM                                     Civil and Military Cooperation               Cooperation with stakeholders


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 SAIOSAECG/2(20 to 24 March 2023)

news.jpgThe SAIOSEACG/2 meeting was conducted by RSO/AOM from 20-24 March 2023. The meeting was attended by 65 participants from Australia, Bangladesh, Cambodia, China, Hong Kong China, India, Indonesia, Malaysia, Maldives, Myanmar, Nepal, Pakistan, Philippines, Singapore, Thailand, United States of America, Viet Nam, IATA, IFATCA and ICAO. The objective of the SAIOSEACG is to identify the need for, plan and implement Air Traffic Management (ATM) improvements in the Indian Ocean, South Asia and Southeast Asia areas. 26 Working Papers (WP), 9 Information Papers (IP) and one presentation were considered by the meeting. For more information, please visit

BOBTFRG/4  (6 to 8 December 2022)

Picture1.jpgThe Fourth Meeting of the Bay of Bengal Traffic Flow Review Group (BOBTFRG/4) was conducted by RSO/AOM from 6 to 8 December 2022, attended by 72 participants from Bangladesh, India, Indonesia, Malaysia, Pakistan, Singapore, Sri Lanka, Thailand, USA, IATA, IFATCA and ICAO. The objectives of the meeting were to identify requirements and improvements for optimizing airspace capacity and maintaining an efficient route network across the Bay of Bengal airspace and routes leading towards Afghanistan's airspace; and monitor the status of implementation of the agreed ATS routes and airspace improvement projects. For more information, please visit:



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