diff --git a/src/bits/SyncPattern.java b/src/bits/SyncPattern.java
index afafed55..4b4547bc 100644
--- a/src/bits/SyncPattern.java
+++ b/src/bits/SyncPattern.java
@@ -75,19 +75,18 @@ public enum SyncPattern
 	}),
 
 	/**
-	 * French variant of MPT-1327.  This variant uses the following reversal
-	 * pattern and sync pattern:
+	 * French variant of MPT-1327.  This variant uses the following a different
+	 * sync pattern:
 	 * 
-	 *  REV: 0101 0101 0100 1011
-	 * SYNC: 1100 1100 0111 1111
+	 * SYNC: 1011 0100 0011 0011
 	 */
 	MPT1327_CONTROL_FRENCH( new boolean[]
 	{
-		true, false, true, true,    //Includes final 4 of 16 rev bits
-		true, true, false, false,   //1100 0xA
-		true, true, false, false,   //1100 0xA
-		false, true, true, true,    //0111 0x7
-		true, true, true, true,     //1111 0xF
+		true, false, true, false,   //Includes final 4 of 16 rev bits
+		true, false, true, true,    //1011 0xB
+		false, true, false, false,  //0100 0x4
+		false, false, true, true,   //0011 0x3
+		false, false, true, true    //0011 0x3
 	}),
 
 	/* Revs (0xA) and Sync(0x3B28) = 1010 0011101100101000 */
@@ -100,6 +99,21 @@ public enum SyncPattern
 		true, false, false, false   //1000 0x8
 	}),
 	
+	/**
+	 * French variant of MPT-1327.  This variant uses the following a different
+	 * sync pattern:
+	 * 
+	 * SYNT: 0100 1011 1100 1100
+	 */
+	MPT1327_TRAFFIC_FRENCH( new boolean[]
+	{
+		true, false, true, false,   //Includes final 4 of 16 rev bits
+		false, true, false, false,  //0100 0x4
+		true, false, true, true,    //1011 0xB
+		true, true, false, false,   //1100 0xC
+		true, true, false, false   //1100 0xC
+	}),
+
 	/* Sync (0x158) = 1101011000 */
 	PASSPORT( new boolean[] 
 	{
diff --git a/src/crc/CRCFleetsync.java b/src/crc/CRCFleetsync.java
index 742bf682..49da9cbf 100644
--- a/src/crc/CRCFleetsync.java
+++ b/src/crc/CRCFleetsync.java
@@ -19,6 +19,8 @@ package crc;
 
 import java.util.BitSet;
 
+import log.Log;
+
 /**
  * Fleetsync CRC checksum utility
  * 
@@ -204,4 +206,47 @@ public class CRCFleetsync
 
 		return retVal;
     }
+    
+    public static void main( String[] args )
+    {
+    	BitSet test = new BitSet();
+    	
+    	int[] msg = new int[] 
+    	{ 1,1,0,1,1,1,0,1,0,1,1,1,0,1,1,0,
+    	  0,0,1,1,1,1,1,1,1,1,0,1,0,1,1,0,
+    	  0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
+    	  0,1,0,0,1,0,1,1,1,1,0,0,1,1,0,0 };
+
+    	for( int x = 0; x < msg.length; x++ )
+    	{
+    		if( msg[ x ] == 0 )
+    		{
+    			test.clear( x );
+    		}
+    		else if( msg[ x ] == 1 )
+    		{
+    			test.set( x );
+    		}
+    	}
+    	CRC result = check( test );
+
+    	Log.info( "CRC:" + result.toString() );
+
+//    	for( int y = 0; y < 64; y++ )
+//    	{
+//    		BitSet test2 = test.get( y, y + 63 );
+//
+//    		if( test2.get( 63 ) )
+//    		{
+//    			test2.clear( 63 );
+//    		}
+//    		else
+//    		{
+//    			test2.set( 63 );
+//    		}
+//        	CRC result = check( test2 );
+//
+//        	Log.info( y + " crc:" + result.toString() );
+//    	}
+    }
 }
diff --git a/src/decode/mpt1327/MPT1327Decoder.java b/src/decode/mpt1327/MPT1327Decoder.java
index 9c43df9f..689b0d06 100644
--- a/src/decode/mpt1327/MPT1327Decoder.java
+++ b/src/decode/mpt1327/MPT1327Decoder.java
@@ -127,8 +127,22 @@ public class MPT1327Decoder extends Decoder implements Instrumentable
 					, 2.0 ); //Gain
 		mDecimationFilter.setListener( mLowPassFilter );
 
-		/* 2FSK Decoder with output inverted */
-		mFSKDecoder = new FSK2Decoder( 24000, 1200, Output.INVERTED );
+		/** 
+		 * Normal: 2FSK Decoder with inverted output 
+		 * French: 2FSK Decoder with normal output
+		 */
+		if( sync == Sync.NORMAL )
+		{
+			mFSKDecoder = new FSK2Decoder( 24000, 1200, Output.INVERTED );
+		}
+		else if( sync == Sync.FRENCH )
+		{
+			mFSKDecoder = new FSK2Decoder( 24000, 1200, Output.NORMAL );
+		}
+		else
+		{
+			throw new IllegalArgumentException( "MPT1327 Decoder - unrecognized Sync type" );
+		}
 		mLowPassFilter.setListener( mFSKDecoder );
 		
 		mSymbolBroadcaster = new Broadcaster<Boolean>();
@@ -290,7 +304,7 @@ public class MPT1327Decoder extends Decoder implements Instrumentable
 				SyncPattern.MPT1327_TRAFFIC ),
 		FRENCH( "French", 
 				SyncPattern.MPT1327_CONTROL_FRENCH, 
-				SyncPattern.MPT1327_TRAFFIC );
+				SyncPattern.MPT1327_TRAFFIC_FRENCH );
 		
 		private String mLabel;
 		private SyncPattern mControlSyncPattern;
diff --git a/src/decode/mpt1327/MPT1327Message.java b/src/decode/mpt1327/MPT1327Message.java
index 2e618ece..806a4603 100644
--- a/src/decode/mpt1327/MPT1327Message.java
+++ b/src/decode/mpt1327/MPT1327Message.java
@@ -109,7 +109,7 @@ public class MPT1327Message extends Message
                     checkParity( 1, BLOCK_2_START, BLOCK_3_START );
                     checkParity( 2, BLOCK_3_START, BLOCK_4_START );
                     checkParity( 3, BLOCK_4_START, BLOCK_5_START );
-                    checkParity( 3, BLOCK_5_START, BLOCK_5_END );
+                    checkParity( 4, BLOCK_5_START, BLOCK_5_END );
                     break;
             	case ACK:
             	case ACKB: