Rule 46 Alternate System of Navigation Lights

(a) For the purpose of this Rule, “alternate system of navigation lights” means a backup system that includes masthead lights, sidelights, a sternlight and the lights prescribed in Rule 30 for vessels at anchor.

(b) This Rule does not apply to

(i) vessels that are less than 15 metres in length,

(ii) cable ferries, or

(iii) pleasure craft.

(c) A Canadian vessel required by Part C to exhibit lights shall be fitted with an alternate system of navigation lights.

(d) In the case of vessels built before January 1, 1991, that have a gross tonnage of less than 500, the alternate system of navigation lights may consist of oil or electronic lanterns.

(d.1) [Repealed, SOR/2008-272, s. 35]

(e) If it is impracticable for a vessel or object being towed or pushed to comply with paragraph (c), spare lights shall be readily available so that the vessel or object maintains compliance with Part C.

(f) The alternate system of navigation lights shall be supplied by the main source of electric power and the emergency source of electric power that are referred to in section 15 of Annex I, unless otherwise provided by paragraph (g).

(g) In the case of vessels built before January 1, 1991, having a gross tonnage of less than 500, the alternate system of navigation lights shall be supplied by

(i) the vessel’s emergency source of electric power, or

(ii) in the case of oil or electronic lanterns, power of a capacity sufficient for the duration of the intended voyage.

(h) Lights using a flame shall not be used as the alternate system of navigation lights on any vessel carrying, towing or pushing cargo that is volatile or explosive.