46 CFR § 62.20-1 - Plans for approval.
(a) The following plans must be submitted to the Coast Guard for approval in accordance with § 50.20-5 and § 50.20-10 of this chapter:
(1) A general arrangement plan of control and monitoring equipment, control locations, and the systems served.
(2) Control and monitoring console, panel, and enclosure layouts.
(3) Schematic or logic diagrams including functional relationships, a written description of operation, and sequences of events for all modes of operation.
(4) A description of control or monitoring system connections to non-vital systems.
(5) A description of programmable features.
(6) A description of built-in test features and diagnostics.
(7) Design Verification and Periodic Safety test procedures described in subpart 61.40 of this chapter.
(8) Control system normal and emergency operating instructions.