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Gus112GR -> [Logged] SOSUS-calculated uncertainty areas (1147.14) (2/24/2021 10:13:36 AM)
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I decided to fire up Northern Inferno once again in CMO (had completed this before in CMANO) just to see the evolution of certain game mechanics and although the sonar/sound propagation model seems to be more realistic as it is now much harder to detect enemy submarines, there is something odd about how SOSUS works and how the uncertainty areas are calculated for subsurface contacts.
In the attached save file the calculated uncertainty areas for several submarines are quite wide, spanning across several hundred nautical miles, which makes the formulation of a suitable strategy to localize these contacts nearly impossible. In addition, some of these areas appear to be either entirely over land or covered in large by land mass (e.g. PL-611 Zulu IV over Greenland).
In certain instances, SOSUS was able to define the position of a sub with a relatively low uncertainty (ASW PZ1 for K-387) but a few moments later the uncertainty massively increases with the estimated location of the sub contact teleporting several hundred nm away (see the current, recalculated uncertainty area for K-387).
This behavior has some serious implications on ASW patrol missions. Aircraft trying to prosecute a contact will instantly re-direct themselves to the boundaries of the new uncertainty area (which might be, as described above, distinct from the original location), effectively defeating the purpose of setting up ASW patrol missions as user input/micromanagement is required to override aircraft behavior (see for example Nimrod MR.1 assigned to ASW PZ1).
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