STCW 95+10 Refresher Training STCW Refresher training is now compulsory for revalidation of all STCW’95 certificates with an expiry date after January 1, 2017 or those having no expiration date. Basic STCW’95+10 refresher training is now mandatory every five years. This is a 1.5 day course of practical training for Personal Survival Techniques and Basic