Jakarta, INTI - AirNav Indonesia and the Civil Aviation Authority of Singapore (CAAS) are strengthening their collaboration in air traffic services across the Jakarta and Singapore Flight Information Regions (FIRs) through the use of Automatic Dependent Surveillance-Broadcast (ADS-B) technology.
The collaboration includes the exchange of surveillance data covering aircraft positions and movements, as well as operational communication support to improve the safety and efficiency of air traffic services across both FIRs.
AirNav Indonesia Technical Director Zainal Arifin Harahap explained that ADS-B is a signal-based technology used to monitor aircraft positions and movements.
“This collaboration is implemented through the use of Automatic Dependent Surveillance-Broadcast (ADS-B), a signal-based technology for monitoring aircraft positions and movements,” Zainal said.
The partnership is formalized through a Cooperation Agreement on ADS-B Collaboration, which officially took effect on September 16, 2026.
The agreement was signed by Zainal and CAAS Deputy Director-General Ng Tee Chou.
ADS-B Data from Natuna and Matak Covers at Least 250 Nautical Miles
Under the agreement, AirNav Indonesia and CAAS will exchange ADS-B data to enhance situational awareness and provide both parties with a clearer understanding of air traffic conditions.
From Indonesia, ADS-B data shared with CAAS is provided by AirNav Indonesia ground stations in Natuna and Matak, Riau Islands.
In return, AirNav Indonesia receives ADS-B data from Singapore to support its flight surveillance requirements.
“In principle, this collaboration benefits both parties,” Zainal said.
AirNav Indonesia’s ADS-B infrastructure in Natuna and Matak plays an important role in providing surveillance data to support the operational needs of both parties.
Operationally, the two facilities provide surveillance coverage of at least 250 nautical miles, or approximately 463 kilometers, under line-of-sight conditions.
The agreement also establishes ADS-B system performance requirements, including an aircraft update rate of one second, meaning aircraft position data is updated every second.
At least 95 percent of data transmitted from ground stations is targeted to be received within two seconds.
The ADS-B system is also required to maintain service availability above 99.9 percent.
The infrastructure is supported by a redundant architecture to ensure service continuity if one of the system components experiences a disruption.
Data Exchange Strengthens Air Traffic Coordination
“For AirNav Indonesia, this collaboration is part of efforts to strengthen interoperability, enabling systems to connect and work together in providing air navigation services,” Zainal said.
The collaboration with CAAS emphasizes aviation safety and efficiency while strengthening the connectivity between Indonesia’s air navigation services and Singapore’s aviation system.
The exchange of surveillance data enables both parties to gain a more comprehensive understanding of air traffic conditions in the relevant areas, supporting more effective coordination of air traffic services.
“The exchange of surveillance data allows both parties to have better situational awareness of air traffic conditions and supports more effective coordination of air traffic services,” Zainal said.
The ADS-B infrastructure operated by AirNav Indonesia in Natuna and Matak is part of the company’s efforts to ensure reliable surveillance services across its operational areas.
The partnership with CAAS also forms part of broader efforts to strengthen the integration of Indonesia’s air navigation services with the regional aviation system.
“The collaboration with CAAS is also part of efforts to strengthen Indonesia’s air navigation services and their integration with the regional aviation system,” Zainal said.
The cooperation between AirNav Indonesia and CAAS extends beyond ADS-B data exchange and also covers operational communication support between the two parties.
Technical and system maintenance arrangements are also included in the agreement to help ensure the continued reliability and availability of the services.
Conclusion
The collaboration between AirNav Indonesia and CAAS demonstrates how ADS-B technology can strengthen cross-border air traffic coordination. Through real-time surveillance data exchange, reliable infrastructure, and operational communication, the partnership supports safer, more efficient, and better-connected air navigation services between Indonesia and Singapore.
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