Join Date: Jun 2005
Location: New Orleans
Thanked 40 Times in 37 Posts
Rep Power: 11
And technically under Rule 27, a vessel restricted in her ability to maneuver is supposed to show red-white-red on her mast.
I'm not suggesting you shouldn't avoid large vessels who don't display these lights, you'll live a lot longer if you get on the radio with them and ask what they need.
But, that's what the rules say.