diff --git a/conf/airframes/csc.xml b/conf/airframes/obsolete/csc.xml
similarity index 100%
rename from conf/airframes/csc.xml
rename to conf/airframes/obsolete/csc.xml
diff --git a/conf/airframes/csc_ap.xml b/conf/airframes/obsolete/csc_ap.xml
similarity index 100%
rename from conf/airframes/csc_ap.xml
rename to conf/airframes/obsolete/csc_ap.xml
diff --git a/conf/airframes/whirly.xml b/conf/airframes/obsolete/whirly.xml
similarity index 100%
rename from conf/airframes/whirly.xml
rename to conf/airframes/obsolete/whirly.xml
diff --git a/conf/airframes/twinjet_overo.xml b/conf/airframes/twinjet_overo.xml
old mode 100755
new mode 100644