(a) A vessel not under command shall exhibit: Show
NUC Day SignalVessels not under command or restricted & Making Way through the waterVessels not under command or restricted in their ability to manoeuvre NOT Making Way through the water(b) A vessel restricted in her ability to manoeuvre, except a vessel engaged in mine
Vessel N.U.C and Making Way through the water- Day SignalVessel N.U.C and Making Way through the water- Night Signal Vessels not under command or restricted in their ability to manoeuvre Making Way through the Water – STERNVessels not under command or restricted in their ability to manoeuvre Underway – STOPPED in the WaterVessels not under command or restricted in their ability to manoeuvre at Anchor(c) A power-driven vessel engaged in a towing operation such as severely restricts the towing vessel and her tow in their ability to deviate from their course shall, in addition to the lights or shapes prescribed in Rule 24(a), exhibit the lights or shapes prescribed in subparagraph (b)(1) and (2) of this Rule. Related Article: Rule 26 - Fishing vessels (d) A vessel engaged in dredging or underwater operations, when restricted in her ability to manoeuvre, shall exhibit the lights and shapes prescribed in subparagraphs (b)(1),(2) and (3) of this Rule and shall in addition when an obstruction exists, exhibit:
Vessels not under command or restricted in their ability to manoeuvre Green Balls: Clear Side /Red Balls: Obstructed SideVessels not under command or restricted in their ability to manoeuvre Green Balls: Clear Side /Red Balls: Obstructed Side(e) Whenever the size of a vessel engaged in diving operations makes it impracticable to exhibit all lights and shapes prescribed in paragraph (d) of this Rule, the following shall be exhibited:
(f)A vessel engaged in mine-clearance operations shall in addition to the lights prescribed for a power-driven vessel in Rule 23 or to the light or shape prescribed for a vessel at anchor in Rule 30 as appropriate, exhibit three all-round green lights or three balls. One of these lights or shapes shall be exhibited near the foremast head and one at each end of the foreyard. These lights or shapes indicate that it is dangerous for another vessel to approach within 1000 meters of the mine-clearance vessel. Related Article: Rule 25 - Sailing vessels underway and vessels under oars (g) Vessels of less than 12 meters in length, except those engaged in diving operations, shall not be required to exhibit the lights prescribed in this Rule. (h) The signals prescribed in this Rule are not signals of vessels in distress and requiring assistance. Such signals are contained in Annex IV to these Regulations. |