Chapter 3: Operating Your Boat—Safely
Navigation Rules—Traffic Laws of the Waterways
http://www.boat-ed.com/nh/course/p3-...ringothers.htm
Encountering Other Vessels
Give-Way Vessel: Avoid crossing in front of other vessels.
Stand-On Vessel: If you must take action, do not turn toward the give-way vessel or cross in front of it.
How are the two vessels approaching one another?
Paths that cross: two vessels are on crossing paths so as to involve risk of collision.
Meeting Head-On:
Movie: See the action!
http://www.boat-ed.com/flash/headonpowervspower.html
Paths That Cross:
Movie: See the action!
http://www.boat-ed.com/flash/crossingpowervspower.html
Hope this helps...