diff --git a/pgns/129038.js b/pgns/129038.js
index 89aec56..38978ce 100644
--- a/pgns/129038.js
+++ b/pgns/129038.js
@@ -35,6 +35,14 @@ module.exports = [
       return n2k.fields['Nav Status']
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/129039.js b/pgns/129039.js
index ebdc676..65d213b 100644
--- a/pgns/129039.js
+++ b/pgns/129039.js
@@ -22,6 +22,14 @@ module.exports = [
     source: 'Heading',
     node: 'navigation.headingTrue'
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/129040.js b/pgns/129040.js
index 151af69..1d62b3e 100644
--- a/pgns/129040.js
+++ b/pgns/129040.js
@@ -71,6 +71,14 @@ module.exports = [
       )
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/129041.js b/pgns/129041.js
index 78ab084..2639876 100644
--- a/pgns/129041.js
+++ b/pgns/129041.js
@@ -61,6 +61,14 @@ module.exports = [
       )
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: function (n2k) {
       return 'atons.urn:mrn:imo:mmsi:' + n2k.fields['User ID']
diff --git a/pgns/129794.js b/pgns/129794.js
index 68c6121..11fefa7 100644
--- a/pgns/129794.js
+++ b/pgns/129794.js
@@ -59,6 +59,14 @@ module.exports = [
       )
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/129809.js b/pgns/129809.js
index 4e9078f..ec3bfe2 100644
--- a/pgns/129809.js
+++ b/pgns/129809.js
@@ -9,6 +9,14 @@ module.exports = [
       }
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/129810.js b/pgns/129810.js
index 0bb5c15..b4617fc 100644
--- a/pgns/129810.js
+++ b/pgns/129810.js
@@ -38,6 +38,14 @@ module.exports = [
       )
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }
diff --git a/pgns/130842.js b/pgns/130842.js
index 8b42c13..e5e7d0f 100644
--- a/pgns/130842.js
+++ b/pgns/130842.js
@@ -52,6 +52,14 @@ module.exports = [
       )
     }
   },
+  {
+    node: '',
+    value: function (n2k) {
+      return {
+        mmsi: n2k.fields["User ID"].toString()
+      }
+    }
+  },
   {
     context: getMmsiContext
   }