CoST, medical fitness and sea service

Before you apply for an STCW certificate, understand prerequisites like Certificates of Safety Training (CoST), medical fitness and qualifying sea service.

Certificate of Safety Training

Check if you need one, and learn what training you must complete and how to apply for your CoST.

Medical fitness

You need an AMSA Certificate of Medical Fitness (303) for most STCW certificates, find out how to book your examination and what's involved.

Qualifying sea service

Find out what service counts towards an STCW certificate, how AMSA calculates it and what evidence you need to provide.