diff --git a/.gitmodules b/.gitmodules
index bf5114c..9d458fe 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,3 +14,7 @@
 	path = maclauncher
 	url = git://gitorious.org/fg/maclauncher.git
 	branch = master
+[submodule "fgdata"]
+	path = fgdata
+	url = git://git.code.sf.net/p/flightgear/fgdata
+	branch = release/3.4.0
diff --git a/fgdata b/fgdata
new file mode 160000
index 0000000..9b3da35
--- /dev/null
+++ b/fgdata
@@ -0,0 +1 @@
+Subproject commit 9b3da35864e164ee0b92577afe5982a762e06d76