GMDSS & Radio Survey
Full GMDSS radio survey to meet SOLAS and Brazilian maritime authority requirements. Functional testing, reports and certification issuance.
What is GMDSS
The Global Maritime Distress and Safety System is the international standard for emergency communication aboard merchant vessels, mandated by SOLAS and regulated by IMO. It combines radios, transponders and distress beacons that ensure vessels can be located and assisted in any sea area.
RNA delivers annual, occasional and renewal surveys with authorized crew across Brazilian ports and anchorages.
Service scope
Annual GMDSS inspection
Full equipment survey, reserve battery checks, alarms, antennas and power distribution.
MF/HF/VHF and DSC testing
Transmission, sensitivity, digital selective calling and coast-station communication tests.
EPIRB and SART
Battery and hydrostat checks, self-test and HEX ID verification.
Certification and reports
GMDSS certificate issuance and detailed technical report for owner, insurer and class.
Equipment we service
MF/HF radios with DSC
Long-range transceivers with digital selective calling and NBDP teleprinter.
Marine VHF radios with DSC
Main and portable stations, including waterproof handhelds for survival craft.
406 MHz EPIRBs
Cospas-Sarsat beacons with hydrostatic release and integrated GPS.
SART and AIS-SART
Radar and AIS transponders for survival craft localization.
GMDSS consoles
Integrated consoles with alarm systems, printers and reserve power distribution.
NAVTEX and Inmarsat-C
MSI, EGC and satellite distress call reception.
Benefits
Regulatory compliance
Alignment with SOLAS, IMO, DPC and flag state requirements.
Risk reduction
Reliable distress equipment across every sea area.
Audit-ready
Smooth PSC, class and contractual inspection results.
Frequently asked questions
How often is a GMDSS survey required?
Mandatory inspection is annual, with full renewal every 5 years, plus occasional surveys after modifications or critical equipment replacement.
What documents do I need to prepare?
Previous GMDSS certificate, station license, equipment manuals, battery logs and crew maintenance records.
Which Brazilian ports do you cover?
Rio de Janeiro, Santos, Itaguaí, Vitória, Salvador, Suape, Fortaleza and other ports on demand with embarked crew and 24x7 mobilization.
What if equipment fails a test?
We issue an action plan with repair, module swap or replacement options within an operational window to minimize schedule impact.