diff --git a/src/comm/QGCXPlaneLink.cc b/src/comm/QGCXPlaneLink.cc
index f65a7fed7e03805a8170c81e69ad36871ab4f13f..ca91ab347d65f0e9e3bf88ac74da35dca0006f23 100644
--- a/src/comm/QGCXPlaneLink.cc
+++ b/src/comm/QGCXPlaneLink.cc
@@ -532,6 +532,10 @@ void QGCXPlaneLink::updateActuatorControls(quint64 time, quint64 flags, float ct
             p.f[6] = ctl_3;
             p.f[7] = ctl_3;
             writeBytesSafe((const char*)&p, sizeof(p));
+
+            /* Send flap signals, assuming that they are mapped to channel 5 (ctl_4) */
+            sendDataRef("sim/flightmodel/controls/flaprqst", ctl_4);
+            sendDataRef("sim/flightmodel/controls/flap2rqst", ctl_4);
             break;
         }