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General Operator Certificate (GOC) & Restricted Operator Certificate (ROC) — Nigeria's most trusted GMDSS training since 1952.
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General Operator Certificate (GOC)
The GOC is required for officers serving on SOLAS vessels operating in sea areas A1, A2, A3 and A4. It covers all GMDSS sub-systems and qualifies the holder to operate all radio equipment on board.
Course Topics
- GMDSS System Overview & Regulations
- Distress, Urgency & Safety Communications
- Digital Selective Calling (DSC) — MF/HF/VHF
- NAVTEX & SafetyNET Receivers
- EPIRB & SART Operation
- Satellite Communications (INMARSAT)
- Radio Log Keeping & Documentation
- Practical Assessments & Examinations
Entry Requirements
- Valid Certificate of Competency (CoC) as Officer of the Watch (OOW) or higher
- Minimum of 12 months sea service as a deck officer
- Valid STCW Basic Safety Training certificate
- Valid medical fitness certificate (ENG1 or equivalent)
- Proof of identity (International Passport or National ID)
- Completed EMTIN enrolment form
- Payment of course fees before commencement
- Valid Certificate of Competency (CoC) or relevant maritime qualification
- Valid STCW Basic Safety Training certificate
- Valid medical fitness certificate
- Proof of identity (International Passport or National ID)
- Completed EMTIN enrolment form
- Payment of course fees before commencement
2026 Course Availability
Click any month to see available slots. Green = slots available. Red = fully booked.
* Availability is indicative. Call 08033034202 to confirm exact dates and secure your place.
Course Enrolment Enquiry
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STCW Competency Standards & IMO Model Courses
GMDSS training is governed by STCW Regulation IV/2. The table below shows the competency standards and IMO Model Course references.
GMDSS — Minimum Standard of Competence for Radio Operators
| Competence | Knowledge, Understanding & Proficiency | Methods | Criteria |
|---|---|---|---|
| Transmit and receive information using GMDSS sub-systems | DSC, NAVTEX, SafetyNET, EPIRB, SART, INMARSAT, VHF/MF/HF radio; distress, urgency and safety communications | Practical demonstration on approved GMDSS simulator | Communications are established and maintained; distress alerts are transmitted correctly |
| Provide radio services during distress | Distress alert procedures; co-ordination of search and rescue; on-scene communications; MAYDAY, PAN PAN and SECURITE procedures | Practical demonstration and approved simulator | Distress communications are handled in accordance with the Radio Regulations and SOLAS |
| Prevent false distress alerts and minimise consequences | Causes of false alerts; procedures to cancel a false alert; reporting requirements | Examination and assessment | Actions taken to prevent false alerts are in accordance with established procedures |
| Maintain radio logs | Statutory requirements for radio log keeping; entries required; retention periods | Examination and assessment of evidence | Log entries are accurate, complete and comply with statutory requirements |
IMO Model Course References
GMDSS General Operator Certificate
Edition: 2017
Full GMDSS training for GOC — all sea areas, all sub-systems, distress procedures and radio log keeping.
GMDSS Restricted Operator Certificate
Edition: 2017
ROC training covering VHF DSC operations for vessels in Sea Area A1.
Source: IMO Model Courses, International Maritime Organization. STCW Convention as amended (Manila Amendments 2010).