The authority responsible for civil aviation in Singapore is the Civil Aviation Authority of Singapore under the Ministry of Transport. The addresses of the designated authorities concerned with facilitation of international air navigation are as follows:
| Post: | CIVIL AVATION AUTHORITY OF SINGAPORE 60 Airport Boulevard, #04-01, Changi Airport Terminal 2 SINGAPORE 819643 |
| Tel: | (65) 65421122 |
| Fax: | (65) 65421231 |
| AFS: | WSSSYAYX |
| URL: | www.caas.gov.sg |
| Post: | DIRECTOR-GENERAL METEOROLOGICAL SERVICE SINGAPORE 60 Airport Boulevard, Changi Airport Terminal 2, #04-502-503 SINGAPORE 819643 |
| Tel: | (65) 65457190 |
| Fax: | (65) 65457192 |
| AFS: | WSSSYMYX |
| URL: | www.weather.gov.sg |
| Post: | SINGAPORE CUSTOMS 55 Newton Road #07-01, Revenue House SINGAPORE 307987 |
| Tel: | (65) 63552000 |
| URL: | www.customs.gov.sg |
| Post: | IMMIGRATION & CHECKPOINTS AUTHORITY 10 Kallang Road, #08-00 ICA Building SINGAPORE 208718 |
| Tel: | (65) 63916100 |
| URL: | www.ica.gov.sg |
| Post: | COMMUNICABLE DISEASES AGENCY Acting Director Contact & Environmental Diseases, Border & Travel Health (CEBT) 238A Thomson Road, Novena Square Tower A #23-01 to 05 SINGAPORE 307684 |
| URL: | www.cda.gov.sg |
| Post: | MINISTRY OF HEALTH Director Disease Response and Training Division (DTD) 1 Pasir Panjang Road, Labrador Tower Level 21, #21-01 SINGAPORE 118479 |
| Tel: | (65) 63259220 |
| URL: | www.moh.gov.sg |
| Post: | CIVIL AVIATION AUTHORITY OF SINGAPORE 60 Airport Boulevard, #04-01, Changi Airport Terminal 2 SINGAPORE 819643 |
| Tel: | (65) 65421122 |
| Fax: | (65) 65421231 |
| AFS: | WSSSYAYX |
| Post: | CHANGI AIRPORT GROUP (S) PTE LTD SELETAR AIRPORT (AIRSIDE OPERATIONS) 21 Seletar Aerospace Road 1 #02-01 SINGAPORE 797405 |
| Tel: | (65) 64815077 |
| Fax | (65) 64831754 |
| Post: | Head Office: ANIMAL & VETERINARY SERVICE Singapore Botanic Gardens, 1 Cluny Road SINGAPORE 259569 |
| Email: | animals_feedback@nparks.gov.sg |
| URL: | www.nparks.gov.sg/avs |
| Post: | CHANGI ANIMAL AND PLANT QUARANTINE STATION 113A Airport Cargo Road, Changi Airfreight Centre SINGAPORE 819985 |
| Tel: | 1800 476 1600 |
| Post: | Director (TSIB) MINISTRY OF TRANSPORT c/o Changi Airport Post Office P.O. Box 1005 SINGAPORE 918155 |
| Tel: | (65) 65412797 |
| Fax: | (65) 65422394 |
| URL: | www.mot.gov.sg |