diff --git a/src/ParserPrivate.cpp b/src/ParserPrivate.cpp
index cbaaebb..3d9becf 100644
--- a/src/ParserPrivate.cpp
+++ b/src/ParserPrivate.cpp
@@ -690,28 +690,31 @@ AScanData ParserPrivate::searchAscanDataFromOneTasAscanDataOfMP(OneTasAScanData
     unsigned int skipReceiverIndex = (aReceiverTasElementIndex.getTasIndex()-1)*18+aReceiverTasElementIndex.getElementGeometryIndex() - 1;
 
     //Header
-    for(unsigned int i=0; i<HEADER_SIZE; ++i)
-    {
-        result.getHeader()[i] = aOneTasAscanData.getHeader()[(skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * HEADER_SIZE + i];
-    }
+    unsigned long long offset = (skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * HEADER_SIZE;
+    std::copy(aOneTasAscanData.getHeader() + offset,
+              aOneTasAscanData.getHeader() + offset + HEADER_SIZE,
+              result.getHeader());
 
     //Ascan
-    for(unsigned int i=0; i<mDataLength; ++i)
-    {
-        result.get()[i] = aOneTasAscanData.get()[(skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * mDataLength + i];
-    }
+    offset = (skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * mDataLength;
+    std::copy(aOneTasAscanData.get() + offset,
+              aOneTasAscanData.get() + offset + mDataLength,
+              result.get());
+
 
     //CRC
-    for(unsigned int i=0; i<CRC_SIZE; ++i)
-    {
-        result.getCrc()[i] = aOneTasAscanData.getCrc()[(skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * CRC_SIZE + i];
-    }
+    offset =  (skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * CRC_SIZE;
+    std::copy(aOneTasAscanData.getCrc() + offset,
+              aOneTasAscanData.getCrc() + offset + CRC_SIZE,
+              result.getCrc());
+
 
     //Amplification
-    for(unsigned int i=0; i<AMPLFICATION_SIZE; ++i)
-    {
-        result.getAmplification()[i] = aOneTasAscanData.getAmplification()[(skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * AMPLFICATION_SIZE + i];
-    }
+    offset =  (skipMotorPositionIndex + skipSenderIndex + skipReceiverIndex) * AMPLFICATION_SIZE;
+    std::copy(aOneTasAscanData.getAmplification() + offset,
+              aOneTasAscanData.getAmplification() + offset + AMPLFICATION_SIZE,
+              result.getAmplification());
+
     return result;
 }
 
@@ -729,28 +732,29 @@ AScanData ParserPrivate::searchAscanDataFromOneTasAscanDataOfCE(OneTasAScanData
     AScanData result(TasElementIndex(aOneTasAscanData.getSenderTasNumber(),ElementIndex(GeometryIndex(0))),aReceiverTasElementIndex,MotorPosition::CEMeasured,mDataLength);
 
     //Header
-    for(unsigned int i=0; i<HEADER_SIZE; ++i)
-    {
-        result.getHeader()[i] = aOneTasAscanData.getHeader()[skipReceiverIndex * HEADER_SIZE + i];
-    }
+    unsigned long long offset =  skipReceiverIndex * HEADER_SIZE;
+    std::copy(aOneTasAscanData.getHeader() + offset,
+              aOneTasAscanData.getHeader() + offset + HEADER_SIZE,
+              result.getHeader());
 
     //Ascan
-    for(unsigned int i=0; i<mDataLength; ++i)
-    {
-        result.get()[i] = aOneTasAscanData.get()[skipReceiverIndex * mDataLength + i];
-    }
+    offset =  skipReceiverIndex * mDataLength;
+    std::copy(aOneTasAscanData.get() + offset,
+              aOneTasAscanData.get() + offset + mDataLength,
+              result.get());
 
     //CRC
-    for(unsigned int i=0; i<CRC_SIZE; ++i)
-    {
-        result.getCrc()[i] = aOneTasAscanData.getCrc()[skipReceiverIndex * CRC_SIZE + i];
-    }
+    offset =  skipReceiverIndex * CRC_SIZE;
+    std::copy(aOneTasAscanData.getCrc() + offset,
+              aOneTasAscanData.getCrc() + offset + CRC_SIZE,
+              result.getCrc());
 
     //Amplification
-    for(unsigned int i=0; i<AMPLFICATION_SIZE; ++i)
-    {
-        result.getAmplification()[i] = aOneTasAscanData.getAmplification()[skipReceiverIndex * AMPLFICATION_SIZE + i];
-    }
+    offset =  skipReceiverIndex * AMPLFICATION_SIZE;
+    std::copy(aOneTasAscanData.getAmplification() + offset,
+              aOneTasAscanData.getAmplification() + offset + AMPLFICATION_SIZE,
+              result.getAmplification());
+
     return result;
 }