I do not recall where the sonar lines are triggered, but not with the sound. The sound is what you here in the cans yourself though. Your crew is on a different plane...
- A Save and re-load, exit, re-enter & reload might do the trick, but a Test mis will def show the warts... but, like an iceberg, how deep that wart runs remains to be seen. I'll try the same mod loadout later today myself and try to get back with you.