Qualified Ratings are unlicensed ratings that show that you are “qualified” for certain positions such as Able Seaman. Qualified Member of the Engine Department,Tankerman, Proficiency in Survival Craft/Lifeboatman, etc. To obtain a qualified rating, you must complete several prerequisites including sea time experience, assessments, training and in some cases a written examination. The following information will outline the requirements for an endorsement as Able Seaman. For specific information on Tankerman or other Qualified Ratings, please ask us during registration.