diff --git a/JAERO/databasetext.cpp b/JAERO/databasetext.cpp
index 4242405..39fb3c9 100644
--- a/JAERO/databasetext.cpp
+++ b/JAERO/databasetext.cpp
@@ -98,6 +98,7 @@ bool DataBaseWorkerText::importdb(const QString &dirname)
     QFile file(dirname+"/aircrafts_dump.csv");
     if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
     {
+        file.rename(dirname+"/new.aircrafts_dump.csv");
         emit dbimported(false,"Cant open csv file");
         return false;
     }
@@ -109,6 +110,7 @@ bool DataBaseWorkerText::importdb(const QString &dirname)
         db.setDatabaseName(dirname+"/aircrafts_dump.db");
         if (!db.open())
         {
+            file.rename(dirname+"/new.aircrafts_dump.csv");
             emit dbimported(false,"Cant open SQL database");
             return false;
         }
@@ -134,6 +136,7 @@ bool DataBaseWorkerText::importdb(const QString &dirname)
         if(values.size()!=9)
         {
             db.rollback();
+            file.rename(dirname+"/new.aircrafts_dump.csv");
             emit dbimported(false,"CSV file illformed");
             return false;
         }
@@ -144,6 +147,7 @@ bool DataBaseWorkerText::importdb(const QString &dirname)
         if(!bStatus)
         {
             db.rollback();
+            file.rename(dirname+"/new.aircrafts_dump.csv");
             emit dbimported(false,"CSV entry error");
             return false;
         }
diff --git a/JAERO/gui_classes/settingsdialog.cpp b/JAERO/gui_classes/settingsdialog.cpp
index 844c190..5fa9254 100644
--- a/JAERO/gui_classes/settingsdialog.cpp
+++ b/JAERO/gui_classes/settingsdialog.cpp
@@ -96,7 +96,7 @@ void SettingsDialog::populatesettings()
     ui->linePreamble->setText(settings.value("linePreamble","\\r|\\aNOCALL\\a \\aNOCALL\\a \\aNOCALL\\a\\n").toString());
     ui->linePostamble->setText(settings.value("linePostamble","\\n\\a73 NOCALL\\a\\n").toString());
     ui->comboBoxDisplayformat->setCurrentIndex(settings.value("comboBoxDisplayformat",2).toInt());
-    ui->lineEditdonotdisplaysus->setText(settings.value("lineEditdonotdisplaysus","71 18 19").toString());
+    ui->lineEditdonotdisplaysus->setText(settings.value("lineEditdonotdisplaysus","26 0A C0 00 14 16").toString());
     ui->checkBoxdropnontextmsgs->setChecked(settings.value("checkBoxdropnontextmsgs",true).toBool());
     ui->comboBoxsoundcard->setCurrentText(settings.value("comboBoxsoundcard","").toString());
     ui->lineEditlogdir->setText(settings.value("lineEditlogdir",QStandardPaths::standardLocations(APPDATALOCATIONS)[0]+"/logs").toString());
diff --git a/JAERO/mainwindow.cpp b/JAERO/mainwindow.cpp
index 6f31f07..4b2e32a 100644
--- a/JAERO/mainwindow.cpp
+++ b/JAERO/mainwindow.cpp
@@ -115,7 +115,7 @@ MainWindow::MainWindow(QWidget *parent) :
 
     //load settings
     QSettings settings("Jontisoft", "JAERO");
-    ui->comboBoxafc->setCurrentIndex(settings.value("comboBoxafc",0).toInt());
+    ui->comboBoxafc->setCurrentIndex(settings.value("comboBoxafc",1).toInt());
     ui->comboBoxbps->setCurrentIndex(settings.value("comboBoxbps",0).toInt());
     ui->comboBoxlbw->setCurrentIndex(settings.value("comboBoxlbw",0).toInt());
     ui->comboBoxdisplay->setCurrentIndex(settings.value("comboBoxdisplay",0).toInt());