diff --git a/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/MdtCalibSvc/MdtCalibrationTool.h b/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/MdtCalibSvc/MdtCalibrationTool.h
index cd78fef0deeb4e9d731cada1bfb4a52ac8f0bb45..42e96ced97718f02c2581c397849e81f4ea13b2e 100644
--- a/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/MdtCalibSvc/MdtCalibrationTool.h
+++ b/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/MdtCalibSvc/MdtCalibrationTool.h
@@ -126,6 +126,7 @@ private:
   SG::ReadCondHandleKey<AtlasFieldCacheCondObj> m_fieldCacheCondObjInputKey {this, "AtlasFieldCacheCondObj", "fieldCondObj", "Name of the Magnetic Field conditions object key"};
   ServiceHandle<Muon::IMuonIdHelperSvc> m_idHelperSvc {this, "MuonIdHelperSvc", "Muon::MuonIdHelperSvc/MuonIdHelperSvc"};
 
+  bool m_hasBISsMDT;
 };
 
 #endif
diff --git a/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/src/MdtCalibrationTool.cxx b/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/src/MdtCalibrationTool.cxx
index acbedbb0f77b2bd1fc45ffc7c2d6641887ff1ac3..d17af02ea2df6cd653b18f3b905c0b11d00dcba1 100644
--- a/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/src/MdtCalibrationTool.cxx
+++ b/MuonSpectrometer/MuonCalib/MdtCalib/MdtCalibSvc/src/MdtCalibrationTool.cxx
@@ -92,8 +92,8 @@ MdtCalibrationTool::Imp::Imp(std::string name) :
 {}
 
 
-MdtCalibrationTool::MdtCalibrationTool(const std::string& type, const std::string &name, const IInterface* parent)
-  : base_class(type, name, parent)
+MdtCalibrationTool::MdtCalibrationTool(const std::string& type, const std::string &name, const IInterface* parent) : base_class(type, name, parent),
+  m_hasBISsMDT(false)
 {
   m_imp.reset(new MdtCalibrationTool::Imp(name));
   // settable properties
@@ -134,6 +134,11 @@ StatusCode MdtCalibrationTool::initialize() {
     ATH_MSG_INFO("Processing configuration for layouts with BMG chambers.");
     m_imp->m_BMGid = m_idHelperSvc->mdtIdHelper().stationNameIndex("BMG");
   }
+
+  int bisIndex=m_idHelperSvc->mdtIdHelper().stationNameIndex("BIS");
+  Identifier bis7Id = m_idHelperSvc->mdtIdHelper().elementID(bisIndex, 7, 1);
+  if (m_idHelperSvc->issMdt(bis7Id)) m_hasBISsMDT=true;
+
   // initialise MuonGeoModel access
   ATH_CHECK(detStore()->retrieve( m_imp->m_muonGeoManager ));
 
@@ -258,9 +263,15 @@ bool MdtCalibrationTool::driftRadiusFromTime( MdtCalibHit &hit,
     // get t0 shift from tool (default: no shift, value is zero)
     if (m_imp->m_doT0Shift) t0 += m_imp->m_t0ShiftSvc->getValue(id);
   } else {
-    ATH_MSG_WARNING("MdtTubeCalibContainer not found for "
-		      << m_idHelperSvc->mdtIdHelper().print_to_string( id ));
-    ATH_MSG_WARNING( "Tube cannot be calibrated!!!" );
+    if (m_hasBISsMDT) {
+      static std::atomic<bool> bisWarningPrinted = false;
+      if (!bisWarningPrinted) {
+        ATH_MSG_WARNING("MdtTubeCalibContainer not found for " << m_idHelperSvc->mdtIdHelper().print_to_string( id ) << " - Tube cannot be calibrated, cf. ATLASRECTS-5819");
+        bisWarningPrinted.store(true, std::memory_order_relaxed);
+      }
+    } else {
+      ATH_MSG_WARNING("MdtTubeCalibContainer not found for " << m_idHelperSvc->mdtIdHelper().print_to_string( id ) << " - Tube cannot be calibrated!");
+    }
     return false;
   }
 
@@ -480,7 +491,7 @@ bool MdtCalibrationTool::twinPositionFromTwinHits( MdtCalibHit &hit,
   } else {
     ATH_MSG_WARNING( "MdtTubeCalibContainer not found for "
 		     << m_idHelperSvc->mdtIdHelper().print_to_string( id ) );
-    ATH_MSG_WARNING( "Tube cannot be calibrated!!!" );
+    ATH_MSG_WARNING( "Tube cannot be calibrated!!" );
     return false;
   }
 
diff --git a/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondAlg/src/MdtCalibDbAlg.cxx b/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondAlg/src/MdtCalibDbAlg.cxx
index 7f9b8e53613f5f7fe6908d45e10d88e4735ecfba..e0f7fd4ef7c6709a5eed23f82df63e370538640f 100644
--- a/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondAlg/src/MdtCalibDbAlg.cxx
+++ b/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondAlg/src/MdtCalibDbAlg.cxx
@@ -464,7 +464,11 @@ StatusCode MdtCalibDbAlg::loadRt(const MuonGM::MuonDetectorManager* muDetMgr){
     double innerTubeRadius = -9999.;
     const MuonGM::MdtReadoutElement *detEl = muDetMgr->getMdtReadoutElement( m_idHelperSvc->mdtIdHelper().channelID(athenaId,1,1,1) );
     if( !detEl ){
-      ATH_MSG_INFO( "Ignoring nonexistant station in calibration DB: " << m_idHelperSvc->mdtIdHelper().print_to_string(athenaId) );
+      static std::atomic<bool> rtWarningPrinted = false;
+      if (!rtWarningPrinted) {
+        ATH_MSG_WARNING("loadRt() - Ignoring nonexistant station in calibration DB: "<<m_idHelperSvc->mdtIdHelper().print_to_string(athenaId)<<", cf. ATLASRECTS-5826");
+        rtWarningPrinted.store(true, std::memory_order_relaxed);
+      }
     } else {
       innerTubeRadius = detEl->innerTubeRadius();
     }
@@ -830,7 +834,11 @@ StatusCode MdtCalibDbAlg::loadTube(const MuonGM::MuonDetectorManager* muDetMgr){
     bool isValid = true; // the elementID takes a bool pointer to check the validity of the Identifier
     Identifier chId = m_idHelperSvc->mdtIdHelper().elementID(name,ieta,iphi,true,&isValid);
     if (!isValid) {
-      ATH_MSG_WARNING("Element Identifier " << chId.get_compact() << " retrieved for station name " << name << " is not valid, skipping...");
+      static std::atomic<bool> idWarningPrinted = false;
+      if (!idWarningPrinted) {
+        ATH_MSG_WARNING("Element Identifier " << chId.get_compact() << " retrieved for station name " << name << " is not valid, skipping, cf. ATLASRECTS-5826");
+        idWarningPrinted.store(true, std::memory_order_relaxed);
+      }
       continue;
     }
  
@@ -981,7 +989,11 @@ MuonCalib::MdtTubeCalibContainer* MdtCalibDbAlg::buildMdtTubeCalibContainer(cons
   ATH_MSG_VERBOSE( " new det el " << detEl );
   
   if( !detEl ){ 
-    ATH_MSG_INFO( "Ignoring nonexistant station in calibration DB: " << m_idHelperSvc->mdtIdHelper().print_to_string(id) );
+    static std::atomic<bool> warningPrinted = false;
+    if (!warningPrinted) {
+      ATH_MSG_WARNING("buildMdtTubeCalibContainer() - Ignoring nonexistant station in calibration DB: "<<m_idHelperSvc->mdtIdHelper().print_to_string(id)<<", cf. ATLASRECTS-5826");
+      warningPrinted.store(true, std::memory_order_relaxed);
+    }
   } else {
     int nml = 2;
     if( !detEl2 ) nml = 1;