diff --git a/src/blackmisc/timestampobjectlist.cpp b/src/blackmisc/timestampobjectlist.cpp
index 928d7993a..b2f2dce09 100644
--- a/src/blackmisc/timestampobjectlist.cpp
+++ b/src/blackmisc/timestampobjectlist.cpp
@@ -351,6 +351,8 @@ namespace BlackMisc
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Simulation::CDistributor, BlackMisc::Simulation::CDistributorList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Simulation::CMatchingStatisticsEntry, BlackMisc::Simulation::CMatchingStatistics>;
 
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
     //! \endcond
diff --git a/src/blackmisc/timestampobjectlist.h b/src/blackmisc/timestampobjectlist.h
index 8c5169e7a..3630272ef 100644
--- a/src/blackmisc/timestampobjectlist.h
+++ b/src/blackmisc/timestampobjectlist.h
@@ -209,6 +209,9 @@ namespace BlackMisc
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CIdentifier, BlackMisc::CIdentifierList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
 
+    // for the derived version both templates are required
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
     //! \endcond