GMDSS General Operator’s Certificate (GOC)



This course is required for anyone that will be required to have any radio communication duties on a vessel that is GMDSS compliant. The GMDSS General Operators Certificate (GOC) is the highest level GMDSS radio operator qualification. It is suitable for professional mariners, including Merchant Navy deck officers, offshore radio operators serving on mobile platforms, and commercial yacht masters.

The GOC course provides a mixture of theory and practical application as part of the GMDSS examinations. Holders of the GMDSS GOC are certified to operate all licensed marine radio equipment, including radiotelephony, digital selective calling, radio telex, and satellite mobile earth stations. The certificate can be STCW endorsed and permits the holder to operate the radio installation on GMDSS compliant/compulsorily equipped vessels operating in any GMDSS sea areas (A1-A4).


Candidates must be fluent in English and have knowledge of the phonetic alphabet.


This course is 10-12 days dependent on where the course is taken and combines both theory and practical simulator training.