Useful links
- ITU - International Telecommunication Union http://www.itu.int/
- CEPT - European Conference of Postal and Telecommunications Administrations http://www.cept.org/cept
- IMO - International Maritime Organization http://www.imo.org/
- EMSA - European Maritime Safety Agency http://www.emsa.europa.eu/
- Direção-Geral de Recursos Naturais, Segurança e Serviços Marítimos (Directorate-General for Natural Resources, Safety and Maritime Services) http://www.dgrm.mam.gov.pt/xportal/xmain?xpid=dgrm&xpgid=homeV2&xlang=en
- Portal do Mar (Website of the Sea) http://www.portaldomar.pt/
- Portal da Marinha (Navy Website) http://www.marinha.pt/pt-pt/Paginas/default.aspx
- Navy Website - emergency at sea http://www.marinha.pt/pt-pt/servicos/informacao-maritima/Paginas/emergencia-mar.aspx