Section 80.277 - Ship Security Alert System (SSAS)(a) Vessels equipped with a Ship Security Alert System pursuant to the Safety Convention or 33 CFR 101.310 may utilize: (1) Equipment that complies with RTCM 11020 (incorporated by reference, § 80.7 ); or(2) INMARSAT D + equipment; or(3) Equipment that complies with the technical specifications found in this subpart. 73 FR 4484 , Jan. 25, 2008, as amended at 76 FR 67612 , Nov. 2, 2011; 81 FR 90747 , Dec. 15, 2016