finding, intercepting, and engaging targets without automap, radar, or active sonar

[AdamMil]

Originally Posted by Warren Peace

In either of those situations, hydrophone checks will give you all the information you need.

Of course, but my point regards an easy procedure to establish a good intercept course. I'm trying to understand this Normal Approach Course technique, which given my (mis)understanding of it seems to produce weird results in these cases.