FYI for Canadians and our visitors, these are the regulations as taken from the Boating Exam current as at posting date.
From
http://www.boaterexam.com***********
The operator of a pleasure sailing craft underway shall, from sunset to sunrise, exhibit sidelights and a stern light as described in the Collision Regulations, Rules 20 and 25.
The operator of a pleasure sailing craft of less than 20 metres in length underway may exhibit, from sunset to sunrise, in lieu of sidelights and a stern light, a combined sidelights and stern light in one lantern carried at or near the top of the mast as described in the Collision Regulations, Rules 20 and 25.
The operator of a pleasure sailing craft of less than 7 metres in length underway shall, from sunset to sunrise, exhibit, if practical, sidelights and a stern light, but if the operator cannot, he/she shall have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision as described in the Collision Regulations, Rules 20 and 25.
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