- Annual Radio Surveys (GMDSS)
- Voyage Data Recorders & Simplified Data Recorders
- EPIRB Annual Survey
- Automatic Identification Systems (AIS)
- Ship Security Alert Systems (SSAS)
Hellenic Radioelectric Services Ltd.’ is authorized and approved to perform GMDSS RADIO Surveys from all major Classification such as Lloyd’s, Bureau Veritas, DNV, ABS, NKK, RINA, GL, Russian Maritime Register.