Marine Orders - Part 28: Operations standards & procedures, Issue 2 (Order No. 9 of 1997)
Restricted visibilityRestricted visibility
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Restricted visibility
3.3.34 When restricted visibility is encountered or expected, the first responsibility of the officer in charge of the navigational watch is to comply with the relevant rules of the International Regulations for Preventing Collisions at Sea, 1972 with particular regard to the sounding of fog signals, proceeding at a safe speed and having the engines ready for immediate manoeuvre. In addition, the officer in charge of the navigational watch must:
(a) inform the master;
(b) post a proper look‑out;
(c) exhibit navigation lights; and
(d) operate and use the radar.