diff --git a/src/blackcore/application.cpp b/src/blackcore/application.cpp
index 8dbc8ea08..b40572a3d 100644
--- a/src/blackcore/application.cpp
+++ b/src/blackcore/application.cpp
@@ -190,7 +190,7 @@ namespace BlackCore
         //! \fixme KB 2017-11 maybe this code can be encapsulated somewhere
         CApplicationInfoList apps = CApplication::getRunningApplications();
         const CApplicationInfo myself = CApplication::instance()->getApplicationInfo();
-        if (!apps.contains(myself)) { apps.insert(myself); }
+        if (!apps.contains(myself)) { apps.push_back(myself); }
         const bool ok = CFileUtils::writeStringToLockedFile(apps.toJsonString(), CFileUtils::appendFilePaths(swiftDataRoot(), "apps.json"));
         if (!ok) { CLogMessage(static_cast<CApplication *>(nullptr)).error("Failed to write to application list file"); }
         return ok;
diff --git a/src/blackmisc/sequence.h b/src/blackmisc/sequence.h
index aa3d95bed..4338ad632 100644
--- a/src/blackmisc/sequence.h
+++ b/src/blackmisc/sequence.h
@@ -181,6 +181,9 @@ namespace BlackMisc
         //! Insert as first element.
         void push_front(const T &value) { insert(begin(), value); }
 
+        //! Inserts all elements from another sequence at the beginning of this sequence.
+        void push_front(const CSequence &other) { std::copy(other.begin(), other.end(), std::front_inserter(*this)); }
+
         //! Insert as first element by keep maxElements
         void push_frontMaxElements(const T &value, int maxElements)
         {
diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index fd272059b..7a0255ddf 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -768,7 +768,7 @@ namespace BlackMisc
             for (const CAircraftModel &model : *this)
             {
                 if (model.getAirlineIcaoCode() != airlineCode) { continue; }
-                icaos.insert(model.getAircraftIcaoCode());
+                icaos.push_back(model.getAircraftIcaoCode());
             }
             return icaos;
         }
@@ -1030,7 +1030,7 @@ namespace BlackMisc
                 Q_UNUSED(scope);
                 CAircraftModel value;
                 value.convertFromMemoizedJson(i->toObject(), helper);
-                insert(value);
+                this->push_back(value);
             }
         }
 
diff --git a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
index 660f9c719..893da1ff8 100644
--- a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
+++ b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
@@ -270,7 +270,7 @@ namespace BlackWxPlugin
 
                 CAltitude surfaceAltitude(0, CAltitude::AboveGround, CLengthUnit::defaultUnit());
                 CTemperatureLayer surfaceTemperature(surfaceAltitude, CTemperature(gfsGridPoint.surfaceTemperature, CTemperatureUnit::K()), {}, {});
-                temperatureLayers.insert(surfaceTemperature);
+                temperatureLayers.push_back(surfaceTemperature);
 
                 CWindLayerList windLayers;
                 for (auto isobaricLayerIt = gfsGridPoint.isobaricLayers.begin(); isobaricLayerIt != gfsGridPoint.isobaricLayers.end(); ++isobaricLayerIt)
@@ -282,7 +282,7 @@ namespace BlackWxPlugin
                     auto dewPoint = calculateDewPoint(temperature, isobaricLayer.relativeHumidity);
 
                     CTemperatureLayer temperatureLayer(level, temperature, dewPoint, isobaricLayer.relativeHumidity);
-                    temperatureLayers.insert(temperatureLayer);
+                    temperatureLayers.push_back(temperatureLayer);
 
                     double windDirection = -1 * CMathUtils::rad2deg(std::atan2(-isobaricLayer.windU, isobaricLayer.windV));
                     windDirection += 180.0;
@@ -290,7 +290,7 @@ namespace BlackWxPlugin
                     if (windDirection >= 360.0) { windDirection -= 360.0; }
                     double windSpeed = std::hypot(isobaricLayer.windU, isobaricLayer.windV);
                     CWindLayer windLayer(level, CAngle(windDirection, CAngleUnit::deg()), CSpeed(windSpeed, CSpeedUnit::m_s()), {});
-                    windLayers.insert(windLayer);
+                    windLayers.push_back(windLayer);
                 }
 
                 CCloudLayerList cloudLayers;
@@ -307,7 +307,7 @@ namespace BlackWxPlugin
                     // Multiply with 3600 to convert to mm/h
                     cloudLayer.setPrecipitationRate(gfsGridPoint.surfacePrecipitationRate * 3600.0);
                     cloudLayer.setClouds(CCloudLayer::CloudsUnknown);
-                    cloudLayers.insert(cloudLayer);
+                    cloudLayers.push_back(cloudLayer);
                 }
 
                 auto surfacePressure = PhysicalQuantities::CPressure { gfsGridPoint.surfacePressure, PhysicalQuantities::CPressureUnit::Pa() };
@@ -315,8 +315,8 @@ namespace BlackWxPlugin
                 CLatitude latitude(gfsGridPoint.latitude, CAngleUnit::deg());
                 CLongitude longitude(gfsGridPoint.longitude, CAngleUnit::deg());
                 auto position = CCoordinateGeodetic { latitude, longitude, {0} };
-                BlackMisc::Weather::CGridPoint gridPoint({}, position, cloudLayers, temperatureLayers, {}, windLayers, surfacePressure);
-                m_weatherGrid.insert(gridPoint);
+                CGridPoint gridPoint({}, position, cloudLayers, temperatureLayers, {}, windLayers, surfacePressure);
+                m_weatherGrid.push_back(gridPoint);
             }
         }