diff --git a/AsbCloudApp/Data/DetectedOperation/OperationsSummaryDto.cs b/AsbCloudApp/Data/DetectedOperation/OperationsSummaryDto.cs
index 74f755cc..74fe1e7b 100644
--- a/AsbCloudApp/Data/DetectedOperation/OperationsSummaryDto.cs
+++ b/AsbCloudApp/Data/DetectedOperation/OperationsSummaryDto.cs
@@ -29,4 +29,9 @@ public class OperationsSummaryDto
     /// Cумма продолжительностей операций
     /// </summary>
     public double SumDurationHours { get; set; }
+    
+    /// <summary>
+    /// Флаг включенной подсистемы
+    /// </summary>
+    public int EnabledSubsystems { get; set; }
 }
diff --git a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
index a164cb4e..65b4722c 100644
--- a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
+++ b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
@@ -104,14 +104,15 @@ namespace AsbCloudInfrastructure.Services.DetectOperations
                 query = query.Where(operation => operation.DepthEnd <= request.LeDepthEnd.Value);
 
             var queryGroup = query
-                .GroupBy(operation => new { operation.IdTelemetry, operation.IdCategory })
+                .GroupBy(operation => new { operation.IdTelemetry, operation.IdCategory, operation.EnabledSubsystems })
                 .Select(group => new OperationsSummaryDto
                 {
                     IdTelemetry = group.Key.IdTelemetry,
                     IdCategory = group.Key.IdCategory,
+                    EnabledSubsystems = group.Key.EnabledSubsystems,
                     Count = group.Count(),
                     SumDepthIntervals = group.Sum(operation => operation.DepthEnd - operation.DepthStart),
-                    SumDurationHours = group.Sum(operation => (operation.DateEnd - operation.DateStart).TotalHours)
+                    SumDurationHours = group.Sum(operation => (operation.DateEnd - operation.DateStart).TotalHours),
                 })
                 .OrderBy(summ => summ.IdTelemetry)
                 .ThenBy(summ => summ.IdCategory);
diff --git a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
index 8164da4c..fc2d8f71 100644
--- a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
+++ b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
@@ -156,9 +156,7 @@ internal class SubsystemOperationTimeService : ISubsystemOperationTimeService
         var groupedSubsystemsTimes = subsystemsTimes
             .OrderBy(o => o.Id)
             .GroupBy(o => o.IdSubsystem);
-
-        var periodGroupTotal = subsystemsTimes.Sum(o => (o.DateEnd - o.DateStart).TotalHours);
-
+        
         var result = groupedSubsystemsTimes.Select(g =>
         {
             var periodGroup = g.Sum(o => (o.DateEnd - o.DateStart).TotalHours);
@@ -193,7 +191,11 @@ internal class SubsystemOperationTimeService : ISubsystemOperationTimeService
                 SumDepthInterval = apdParts.Sum(part => part.SumDepthInterval),
                 OperationCount = apdParts.Sum(part => part.OperationCount),
             };
-            apdSum.KUsage = apdSum.SumDepthInterval / apdSum.SumOperationDepthInterval;
+
+            operationsSummaries = operationsSummaries.Where(o => o.EnabledSubsystems == 1);
+
+            var (_, sumOprationsDurationHours) = AggregateOperationsSummaries(IdSubsystemAKBRotor, operationsSummaries);
+            apdSum.KUsage = sumOprationsDurationHours / apdSum.SumOperationDurationHours;
             if (apdSum.KUsage > 1)
                 apdSum.KUsage = 1;
             result = result.Append(apdSum).OrderBy(m => m.IdSubsystem);