diff --git a/src/blackmisc/logcategory.h b/src/blackmisc/logcategory.h
index 99e4f19e8..99e784afb 100644
--- a/src/blackmisc/logcategory.h
+++ b/src/blackmisc/logcategory.h
@@ -68,6 +68,20 @@ namespace BlackMisc
             return cat;
         }
 
+        //! Interpolator
+        static const CLogCategory &interpolator()
+        {
+            static const CLogCategory cat { "swift.interpolator" };
+            return cat;
+        }
+
+        //! Flight plan
+        static const CLogCategory &flightPlan()
+        {
+            static const CLogCategory cat { "swift.flightplan" };
+            return cat;
+        }
+
         //! Context slots
         static const CLogCategory &contextSlot()
         {
@@ -314,7 +328,7 @@ namespace BlackMisc
             BLACK_METAMEMBER(string)
         );
     };
-}
+} // ns
 
 Q_DECLARE_METATYPE(BlackMisc::CLogCategory)
 
diff --git a/src/blackmisc/logpattern.cpp b/src/blackmisc/logpattern.cpp
index 5b49348d0..5aca378af 100644
--- a/src/blackmisc/logpattern.cpp
+++ b/src/blackmisc/logpattern.cpp
@@ -31,6 +31,8 @@ namespace BlackMisc
             { "data inconsistency",          exactMatch(CLogCategory::dataInconsistency()) },
             { "downloading data",            exactMatch(CLogCategory::download()) },
             { "driver",                      exactMatch(CLogCategory::driver()) },
+            { "flight plan",                 exactMatch(CLogCategory::flightPlan()) },
+            { "interpolator",                exactMatch(CLogCategory::interpolator()) },
             { "model cache",                 exactMatch(CLogCategory::modelCache()) },
             { "model GUI",                   exactMatch(CLogCategory::modelGui()) },
             { "model loader",                exactMatch(CLogCategory::modelLoader()) },