diff --git a/fgdata b/fgdata
index b1f1974..b6df0de 160000
--- a/fgdata
+++ b/fgdata
@@ -1 +1 @@
-Subproject commit b1f197434ccfd55e1f3870b03f283d3d64d8f090
+Subproject commit b6df0ded761e6c0741b94e3b769f7374c60075e2
diff --git a/flightgear b/flightgear
index 7e9549c..1727af3 160000
--- a/flightgear
+++ b/flightgear
@@ -1 +1 @@
-Subproject commit 7e9549c1bc9cf461faaa2b283c9d264cb290dbc4
+Subproject commit 1727af363812987a9ff5d49abea5bfa6eff20e54
diff --git a/getstart b/getstart
index 943c000..7b216d4 160000
--- a/getstart
+++ b/getstart
@@ -1 +1 @@
-Subproject commit 943c000f6d949d7e74e42a8d1c875a6d2799ef44
+Subproject commit 7b216d458fc72ad1c9aa9b9d17c2dd12818d5392
diff --git a/simgear b/simgear
index 8e29cae..4895733 160000
--- a/simgear
+++ b/simgear
@@ -1 +1 @@
-Subproject commit 8e29cae30921c0c9275dda488a16276c3c1c8a02
+Subproject commit 489573329ec83100858b0841b1f9b249f9ffc1b5