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Code gmdss-roc · STCW A-IV/2
GMDSS Restricted Operator Certificate under STCW A-IV/2 — for vessels operating only in sea area A1 (within VHF coverage of a coast station). Limited to VHF DSC distress alerting and routine VHF traffic; a vessel sailing into A2/A3/A4 requires a GOC holder onboard.
Common for small-vessel and coastal operations.
Country guides list accredited training centres in the major seafarer-supplying nations:
Editorial confidence: how we grade. Data sources and methodology: /sources.