A little bit more
The attack plot should be for relative motion, as a Maneuvring Board. The boat a central static point on a 360º [or a 180º Port -180ºStbd] rose, her stem always pointing up. Perhaps a small rose showing her cap. And the plotting tools.
No ground representation.
An option to plot the bearing from the periscope, UZO, radar or sonar, with its time mark (and an estimated, measured, or AI actualized range)
With this capability, it doesn't matter if you are working on a GPS position or on a navigation position. The attack problem would be more realistic that it is nowadays.
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