Product Inspection Standard: Requirements of 1996 Amendments to SOLAS 1974 and LSA Code and Resolution MSC. 81( 70) . Name Type Buoyancy Purpose Marine Lifejacket DF5564-1 e 103 Used for the seaman and passenger in sea or river travel Marine Child Lifejacket DF TY 5564-T e 83.3 Used for the seaman and passenger in sea or river travel Marine Work Lifejacket DF86-5 e 74 Only to be used by seaman during working Marine Work Lifejacket DF86-3 e 74 Only to be used by seaman during working Water Sports Lifejacket __For protection during leisure time