Index: trunk/src/org/openstreetmap/josm/gui/NavigatableComponent.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/NavigatableComponent.java	(revision 5548)
+++ trunk/src/org/openstreetmap/josm/gui/NavigatableComponent.java	(revision 5549)
@@ -1212,4 +1212,5 @@
     public static final SystemOfMeasurement CHINESE_SOM = new SystemOfMeasurement(1.0/3.0, "\u5e02\u5c3a" /* chi */, 500, "\u5e02\u91cc" /* li */);
     public static final SystemOfMeasurement IMPERIAL_SOM = new SystemOfMeasurement(0.3048, "ft", 1609.344, "mi");
+    public static final SystemOfMeasurement NAUTICAL_MILE_SOM = new SystemOfMeasurement(185.2, "kbl", 1852, "NM");
 
     public static final Map<String, SystemOfMeasurement> SYSTEMS_OF_MEASUREMENT;
@@ -1219,4 +1220,5 @@
         SYSTEMS_OF_MEASUREMENT.put(marktr("Chinese"), CHINESE_SOM);
         SYSTEMS_OF_MEASUREMENT.put(marktr("Imperial"), IMPERIAL_SOM);
+        SYSTEMS_OF_MEASUREMENT.put(marktr("Nautical Mile"), NAUTICAL_MILE_SOM);
     }