Global Maritime Distress and Safety System (GMDSS) At-sea Maintainer.

Every person employed or engaged to maintain GMDSS equipment at sea, when the service of a person so designated is used to meet the maintenance requirements of SOLAS Regulation IV/15 (incorporated by reference, see § 15.103), must provide documentary evidence that they are competent to maintain GMDSS equipment at sea. [USCG-2004-17914, 78 FR 78008, Dec. 24, 2013]