Following shall be done in case the restricted visibility is encountered -

(a) Place the ship’s main engines on ‘stand-by’ and reduce the vessels speed.
(b) Advise the Master of the change in visibility conditions.
(c) Commence sounding fog signals.
(d) Switch on the navigation lights.
(e) Close all watertight doors in the vessel.
(f) Commence systematic plotting of any targets on the radar.
(g) Place a current position on the chart.
(h) Post additional lookouts.
(i) Stop all noisy work on deck.
(j) Enter a statement of actions into the ship’s Deck Log Book.