A vessel engaged in underwater operations (restricted in her ability to manoeuvre, making way through the water, an obstruction exists on her port side) - lights
Description of scenario:
Type of vessel: Vessel engaged in underwater operations, when restricted in her ability to manoeuvre, making way through the water and an obstruction exists on her port side Time of the day: From sunset to sunrise and from sunrise to sunset in restricted visibility
Rule(s) to be applied:Rule 27
(Vessels not under command or restricted in their ability to manoeuvre)
Applying the Rule(s) and comments:
In accordance with Rule 27
(d) (Vessels not under command or restricted in their ability to manoeuvre), a vessel engaged in underwater operations, when restricted in her ability to manoeuvre, shall exhibit the lights prescribed in Rule 27
(b)(i) and (iii) and shall in addition, when an obstruction exists, exhibit: (i) two all-round
red lights in a vertical line to indicate the side on which the obstruction exists; (ii) two all-round
green lights in a vertical line to indicate the side on which another vessel may pass. In accordance with Rule 27
(b) (Vessels not under command or restricted in their ability to manoeuvre), a vessel restricted in her ability to manoeuvre
, except a vessel engaged in mine clearance operations, shall exhibit: (i) three all-round
lights in a vertical line where they can best be seen. The highest and lowest of these lights shall be red and the middle light shall be white; (iii) a masthead light
or lights, sidelights
and a sternlight
.
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