Section 80.1081 - Functional requirementsShips, while at sea, must be capable:
(a) Except as provided in §§ 80.1087(a)(1) and 80.1091(a)(4)(iii) , of transmitting ship-to-shore distress alerts by at least two separate and independent means, each using a different radiocommunication service;(b) Of receiving shore-to-ship distress alerts;(c) Of transmitting and receiving ship-to-ship distress alerts;(d) Of transmitting and receiving search and rescue co-ordinating communications;(e) Of transmitting and receiving on-scene communications;(f) Of transmitting and receiving signals for locating;(g) Of transmitting and receiving maritime safety information;(h) Of transmitting and receiving general radiocommunications to and from shore-based radio sytsems or networks; and(i) Of transmitting and receiving bridge-to-bridge communications.