Here's a classic.
http://www.subsim.com/radioroom/showthread.php?t=90234
And this one, but it is initially about intercepting a target:
http://www.subsim.com/radioroom/showthread.php?t=88961
It may not be an easy to print pdf, but there are simple programs (PDFCreator) that you can install that act like a virtual printer and create a pdf file. Then open the pdf and print just the pages you want.