To obtain Estonian CoC you need to have permit or right to live, refugee status or temporary protection in Estonia. With effect from 14.08.2022 Estonian STCW CoC is accessible also for those who have obtained Estonian e-residency Become an e-resident | Learn the Benefits & Apply.
Before you apply for training please read through important information here Replacement of a Foreign Certificate of Competency with an Equivalent Estonian Certificate of Competency | Transpordiamet
We suggest to contact Maritime Administration email email@example.com and ask for guidance before you decide to proceed with certification. Also submit copies of all you maritime education diplomas as well CoC for checking and ask are you eligible to obtain Estonian STCW CoC, upgrade your CoC to higher CoC, or you shall obtain samal level CoC as you are holding now.