diff --git a/src/ATC/AIEntity.cxx b/src/ATC/AIEntity.cxx
index e2511a0ab..126d03778 100644
--- a/src/ATC/AIEntity.cxx
+++ b/src/ATC/AIEntity.cxx
@@ -46,6 +46,9 @@ FGAIEntity::~FGAIEntity() {
 void FGAIEntity::Update(double dt) {
 }
 
+void FGAIEntity::RegisterTransmission(int code) {
+}
+
 // Run the internal calculations
 //void FGAIEntity::Update() {
 void FGAIEntity::Transform() {
diff --git a/src/ATC/AIEntity.hxx b/src/ATC/AIEntity.hxx
index 9e99f5a87..1c8afdc9e 100644
--- a/src/ATC/AIEntity.hxx
+++ b/src/ATC/AIEntity.hxx
@@ -18,14 +18,6 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-/*****************************************************************
-*
-* WARNING - Curt has some ideas about AI traffic so anything in here
-* may get rewritten or scrapped.  Contact Curt curt@flightgear.org 
-* before spending any time or effort on this code!!!
-*
-******************************************************************/
-
 #ifndef _FG_AIEntity_HXX
 #define _FG_AIEntity_HXX
 
@@ -51,6 +43,10 @@ public:
 
     // Run the internal calculations
     virtual void Update(double dt);
+	
+	// Send a transmission *TO* the AIEntity.
+	// FIXME int code is a hack - eventually this will receive Alexander's coded messages.
+	virtual void RegisterTransmission(int code);
 
 protected: