Attack station 2 leg
 

I'm new to SH4 (and any sub sim) and to MoBo.
Mobo is so slick...my complements to the chef !

In the Attack station 2 leg example. At what point
are we submerged and going 4kts. I'm not getting this
I guess.

You should be able to tell from the vectors that were used to calculate each intercept.

Notice the first leg is using an intercept calculated with a 15kt vector and the second leg (submerged) is a 4kt vector intercept.

http://xl-logic.com/mobo/tutorial_pi..._Attack_05.png

For this plot, we'd be on a 15kt surface run heading 235°T until we reach the attack station, then submerge and make our approach at 4kts heading 300°T.

You may ask, "How do we know when we've reached the station?"
Notice I used the TSD feature to determine the time of the 15kt surface run as 1 hour and 3 minutes.
(I s'pose in God-eye mode you could also measure distance.)

2 leg
 

Thanks for your reply. I'll try to work one myself.