| Task | Form No. | Download Form | View/Apply Online |
| Air Traffic Statistics Publication Subscription | |  | |
| Changi Airport Emergency Plan | | |  |
| Apply for Forklift Driving Permit | | | |
| Apply for Hot Work Permit | | | |
| Application Form for Isolation of Fire Alarm System | | | |
| Direct Debit Authorisation for CAAS | | | |
| Sales Data System (SDS) | | | |
| Passenger Service Charge Declaration Form | | | |
| | | | |
