Paper Plotting 4 ----- Page 10 of 10
Te towards Rs tells us slowing to 7 kts will result in the same 2 mile CPA.
When to initiate a course or speed change depends on the handling characteristics of your ship. The goal is to be close to the new course or speed by the time the target is at Mx.
We used Rs to label the new R for the speed change this time. You can use what ever label you like. Some people use R1, R2 etc.
End of lesson 4
