A one-stop web portal that facilitates the filing of flight schedules, application, renewal and administration of licences and permits for scheduled and non-scheduled air services. Please click here to access flightSG.

E-Service Description Estimated Submission and/or Processing Time Pre-requisities Acceptable File Types
Application/Renewal of a Licence This facility allows Singapore registered airline operators to apply or renew Category A or B licence Submission: 20 minutes

Processing: Within 30 working days             
File upload should be in pdf format and not exceeding 2MB in size
Variation of a Licence This facility allows Singapore registered airline operators to apply for a variation of Category A or B licence. Submission: 20 Minutes

Processing: Within 30 working days             
File upload should be in pdf format and not exceeding 2MB in size
Surrender of a Licence This facility allows Singapore registered airline operators to surrender existing Category A or B licence. Submission: 10 Minutes

Processing: Within 30 working days
File upload should be in pdf format and not exceeding 2MB in size
Transfer/Assignment of a Licence This facility allows Singapore registered airline operators to transfer or assign their Category A or B licence to another related airline. Submission: 20 Minutes

Processing: Within 30 days             
File upload should be in pdf format and not exceeding 2MB in size
Application for an Express Permit This facility allows airline operators or appointed agents to apply for an express permit for non-scheduled journeys Submission: 15 Minutes

Processing: Within 3 working days
File upload should be in pdf format and not exceeding 2MB in size
Application/Renewal of a Normal Permit This facility allows airline operators or appointed agents to apply or renew permit to operate one or more non-scheduled journeys Submission: 15 Minutes

Processing: Between 3 to 14 working days depending on complexity of the application
File upload should be in pdf format and not exceeding 2MB in size
Application/Renewal of Foreign Operator's Permit This facility allows foreign operators or appointed agents to apply for or renew a Foreign Operator's Permit as stipulated in the Air Navigation (129 - Foreign Operator's Permit) Regulations 2026 Submission: 40 – 50 Minutes

Processing: Up to 4 weeks, if all relevant documents required by CAAS are submitted and fee payment is received             
Valid documents listed in Advisory Circular AC 129-3-1(0)
Multiple files can be submitted individually or uploaded via a zip file containing all the documents. Acceptable file formats are DOC, DOCX, PDF, JPG, ONG, XLSX and ZIP. The total file(s) size should be less than 10MB
Applications for Variation (Amendment) to Foreign Operator's Permit This facility allows foreign operators or their appointed agents to apply for a variation or variations (amendment) to Foreign Operator's Permit stipulated in the Air Navigation (129 - Foreign Operator's Permit) Regulations 2026 Submission: 20 – 30 Minutes

Processing: Up to 2 weeks, if all relevant documents required by CAAS are submitted and fee payment is received 
Valid documents listed in Advisory Circular AC 129-3-1(0) Multiple files can be submitted individually or uploaded via a zip file containing all the documents. Acceptable file formats are DOC, DOCX, PDF, JPG, ONG, XLSX and ZIP. The total file(s) size should be less than 10MB