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Misty Blue · 07-02-2010, 11:47 AM

A sailboat under sail alone after sunset is required to show Red and Green running lights with a arc of 112.5 deg. forward each and one 135 deg. aft. That's the way that you know that she is a sailboat and is the "stand on vessel" and you are the "give way vessel".

If he starts his motor the vessel becomes a power vessel and he is required to turn on his mast head light to show it. He then must obey the regular nav rules just like a power boater.

For what it is worth, really nadda on the Lake, during the day he should show an inverted cone from the yard arm to show that he is also under engine power. Yo Ho Ho!

Hope this helps.

Misty Blue.

07-02-2010, 11:47 AM	#29
Misty Blue Senior Member Join Date: Jul 2004 Posts: 658 Thanks: 121 Thanked 283 Times in 98 Posts	They were probably right Rocky. A sailboat under sail alone after sunset is required to show Red and Green running lights with a arc of 112.5 deg. forward each and one 135 deg. aft. That's the way that you know that she is a sailboat and is the "stand on vessel" and you are the "give way vessel". If he starts his motor the vessel becomes a power vessel and he is required to turn on his mast head light to show it. He then must obey the regular nav rules just like a power boater. For what it is worth, really nadda on the Lake, during the day he should show an inverted cone from the yard arm to show that he is also under engine power. Yo Ho Ho! Hope this helps. Misty Blue. Last edited by Misty Blue; 07-02-2010 at 01:15 PM.