The ships electronics and sensors consisted of SPS-6 air-search radar, SG-6B surface-search radar, SPG-25 and SPG-34 fire control radar, and SQS-11 search sonar, which was later replaced with SQS-4 sonar.
The vessels' electronic systems and sensors included SPS-6 air-tracking radar, SG-6B surface-tracking radar, SPG-25 and SPG-34 targeting radar, and SQS-11 search sonar, which was subsequently upgraded to SQS-4 sonar.