diff --git a/mission/controller/AcsController.cpp b/mission/controller/AcsController.cpp
index a23cfd74..d55fc1c5 100644
--- a/mission/controller/AcsController.cpp
+++ b/mission/controller/AcsController.cpp
@@ -55,6 +55,10 @@ ReturnValue_t AcsController::executeAction(ActionId_t actionId, MessageQueueId_t
       navigation.resetMekf(&mekfData);
       return HasActionsIF::EXECUTION_FINISHED;
     }
+    case RESTORE_MEKF_NONFINITE_RECOVERY: {
+      mekfLost = false;
+      return HasActionsIF::EXECUTION_FINISHED;
+    }
     default: {
       return HasActionsIF::INVALID_ACTION_ID;
     }
@@ -149,6 +153,10 @@ void AcsController::performSafe() {
       triggerEvent(acs::MEKF_INVALID_INFO);
       mekfInvalidFlag = true;
     }
+    if (result == MultiplicativeKalmanFilter::MEKF_NOT_FINITE && !mekfLost) {
+      navigation.resetMekf(&mekfData);
+      mekfLost = true;
+    }
   } else {
     mekfInvalidFlag = false;
   }
@@ -220,6 +228,9 @@ void AcsController::performDetumble() {
       triggerEvent(acs::MEKF_INVALID_INFO);
       mekfInvalidFlag = true;
     }
+    if (result == MultiplicativeKalmanFilter::MEKF_NOT_FINITE) {
+      navigation.resetMekf(&mekfData);
+    }
   } else {
     mekfInvalidFlag = false;
   }
diff --git a/mission/controller/AcsController.h b/mission/controller/AcsController.h
index 62bbf5a3..c92db339 100644
--- a/mission/controller/AcsController.h
+++ b/mission/controller/AcsController.h
@@ -62,6 +62,9 @@ class AcsController : public ExtendedControllerBase, public ReceivesParameterMes
   uint8_t multipleRwUnavailableCounter = 0;
   bool mekfInvalidFlag = false;
   uint16_t mekfInvalidCounter = 0;
+  uint8_t resetMekfCount = 0;
+  bool mekfLost = false;
+
   int32_t cmdSpeedRws[4] = {0, 0, 0, 0};
   int16_t cmdDipolMtqs[3] = {0, 0, 0};
 
@@ -75,6 +78,7 @@ class AcsController : public ExtendedControllerBase, public ReceivesParameterMes
   /** Device command IDs */
   static const DeviceCommandId_t SOLAR_ARRAY_DEPLOYMENT_SUCCESSFUL = 0x0;
   static const DeviceCommandId_t RESET_MEKF = 0x1;
+  static const DeviceCommandId_t RESTORE_MEKF_NONFINITE_RECOVERY = 0x2;
 
   static const uint8_t INTERFACE_ID = CLASS_ID::ACS_CTRL;
   static constexpr ReturnValue_t FILE_DELETION_FAILED = MAKE_RETURN_CODE(0);