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Civil Aviation Authority of Singapore

Airspace management and aerial activities

Learn about the services provided and actions taken by CAAS to ensure a safe and efficient use of the airspace.

Last updated 9 May 2026

As Singapore’s air navigation services provider, CAAS keeps air operations safe and efficient by delivering air navigation services and overseeing activities that may affect aviation safety.

Aerial activities

Learn about the common aerial activities in Singapore, and how you can safely conduct your activities.

Aeronautical Information Services

Learn about how CAAS Aeronautical Information Services (AIS) support the flow of information essential for the safety, regularity and efficiency of international and national air navigation.

Air traffic services

Learn about the air traffic services provided and technology used by CAAS as an air navigation service provider.

Obstacle height control

Learn about the approval you may need to obtain before carrying out any building development, using tall construction machinery, or berthing vessels, and how to apply for it.

Search and rescue services

Learn about the search and rescue services provided by the Singapore Rescue Coordination Centre (RCC) for aircraft in distress within Singapore’s Search and Rescue Region (SRR).

Southeast Asia Safety Monitoring Agency

Learn about the role that the Southeast Asia Safety Monitoring Agency plays in ensuring aviation safety across regional airspace in the South China Sea region.