C1257 Fleeing

Active sonar!

The support-class submarine was equipped with an advanced sonar system, including the 2046 Dragging Low-Frequency Passive Array sonar. 2040 The bow of the model boat had a passive alert sonar, the 2041 model hull passive array sonar, and the 2019 passive range sonar.

Looking at the models of the sonar, one could see that there were very few active sonars