Yes, it's slowly sinking in as to what does what!

@ CaptainHaplo, yes I have actually been doing that in convoys in SH3, it maybe a while before I attempt a convoy in SH4, but I will get there.

@Powerthighs, yes Fincuan made that quite plain & I will have to learn all the settings till I can do it in my sleep, there are quite a lot of things to calculate, set, going back and forth from the attack map, bouncing between PK & AOB etc, but rewarding when that torpedo hits!

@ capt_frank, glad I'm not on my own, good to see someone else getting some usefull information out of this thread.