...because I just tried, for the fun of it, to use the "calculate firing solution" shortcut instead of just doing it myself as I usually do. The results were... Amusing.
First off, it took forever for the poor guy to finish his calculations (which, I admit, is an improvement in realism over SH3 where he would come up with speed, course, AOB and distance in a fraction of a second) and second, his numbers...

A freighter doing 26kts at about three times its actual distance and don't even get me
started on his AOB "guess"timate.
I have met Bernard again. He transferred with me from SH3