The Air Transport Licensing and Administration System (ATLAS) has been replaced by the flightSG system (https://flightsg.caas.gov.sg ).

Please click here to download the user guide for Registration and Management of flightSG Login Account.

For registration support and enquiries, please contact caas_flightsg@caas.gov.sg and support@corppass.gov.sg.

For urgent assistance, please contact the Duty Phone at +65 9833 1775.

Airlines are reminded not to operate flights without first seeking approval from CAAS via flightSG.

Thank you.

1. Pursuant to Regulation No. 14 of the Air Navigation (Licensing of Air Services) Regulations, no person shall provide any air services on any non-scheduled journey between 2 or more places of which at least one is in Singapore, except under and in accordance with a permit granted by CAAS.


2. Any person who contravenes paragraph (1) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,500 or to imprisonment for a term not exceeding 3 months or to both and, in the case of a second or subsequent offence, to a fine not exceeding $20,000 or to imprisonment for a term not exceeding 2 years or to both.


3. This regulation shall not apply to any journey performed under Article 5 of the Chicago Convention if the aircraft performing the journey flies across Singapore without landing or lands in Singapore for non-traffic purposes only.