Aircraft operators
Learn about the CAAS regulatory requirements that Singapore-based and foreign air operators must meet to operate in Singapore.
Last updated 9 May 2026
Aircraft operating within Singapore must hold a valid Certificate of Airworthiness (CoA) or Permit to Fly.
Required approvals depend on the type of operation. Find out more about the respective requirements and processes using the links below:
Singapore air operator
Learn about the requirements and process of becoming a Singapore Air Operator.
Foreign air operator
Learn about the required permits and approvals from CAAS before providing commercial transport services or conducting aerial work as a foreign air operator in Singapore.
Certificate of registration
Learn about aircraft registration in Singapore and how to apply for a Certificate of Registration.
Certificate of deregistration
Learn about deregistering aircraft in Singapore and how to apply for a Certificate of Deregistration.
Certificate of airworthiness
Learn about aircraft airworthiness requirements in Singapore and how to apply for a Certificate of Airworthiness.
Export certificate of airworthiness
Learn about the requirements for an Export Certificate of Airworthiness in Singapore and how to apply.
Permit to fly within Singapore airspace
Learn about operating an aircraft within Singapore airspace using a Permit to Fly and how to apply for one.
Noise certificate
Learn about aircraft noise certification requirements in Singapore and how to apply for a Noise Certificate.
IDERA and CDCL - Transferring the right to deregister and export an aircraft
Learn about applying to record an IDERA or CDCL to formally transfer the right to deregister and export an aircraft to another party.