“When both side-lights you see ahead,
Port your helm, and show your red.”
2. Two steam-ships passing.
“Green to green, or red to red,
Perfect safety—go ahead.”
3. Two steam-ships crossing.
Note.—This is the position of greatest danger; there is nothing for it but good look-out, caution, and judgment.
“If to your starboard red appear,
It is your duty to keep clear;
To act as judgment says is proper—