diff --git a/src/AIModel/AIAircraft.cxx b/src/AIModel/AIAircraft.cxx
index b56a7893a..b7ad31f0f 100644
--- a/src/AIModel/AIAircraft.cxx
+++ b/src/AIModel/AIAircraft.cxx
@@ -118,9 +118,9 @@ void FGAIAircraft::readFromScenario(SGPropertyNode* scFileNode) {
 }
 
 
-bool FGAIAircraft::init() {
+bool FGAIAircraft::init(bool search_in_AI_path) {
     //refuel_node = fgGetNode("systems/refuel/contact", true);
-    return FGAIBase::init(true);
+    return FGAIBase::init(search_in_AI_path);
 }
 
 
diff --git a/src/AIModel/AIAircraft.hxx b/src/AIModel/AIAircraft.hxx
index a848346cf..d1b331d71 100644
--- a/src/AIModel/AIAircraft.hxx
+++ b/src/AIModel/AIAircraft.hxx
@@ -62,7 +62,7 @@ public:
 
     virtual void readFromScenario(SGPropertyNode* scFileNode);
 
-    virtual bool init();
+    virtual bool init(bool search_in_AI_path=false);
     virtual void bind();
     virtual void unbind();
     virtual void update(double dt);
diff --git a/src/AIModel/AIBallistic.cxx b/src/AIModel/AIBallistic.cxx
index c7a5ab72c..1dd2a2f4f 100644
--- a/src/AIModel/AIBallistic.cxx
+++ b/src/AIModel/AIBallistic.cxx
@@ -59,8 +59,8 @@ void FGAIBallistic::readFromScenario(SGPropertyNode* scFileNode) {
   setStabilisation(scFileNode->getBoolValue("aero_stabilized", false));
 }
 
-bool FGAIBallistic::init() {
-   FGAIBase::init();
+bool FGAIBallistic::init(bool search_in_AI_path) {
+   FGAIBase::init(search_in_AI_path);
    hdg = azimuth;
    pitch = elevation;
    roll = rotation;
diff --git a/src/AIModel/AIBallistic.hxx b/src/AIModel/AIBallistic.hxx
index 6b5441304..0137ac1f2 100644
--- a/src/AIModel/AIBallistic.hxx
+++ b/src/AIModel/AIBallistic.hxx
@@ -33,7 +33,7 @@ public:
 
     void readFromScenario(SGPropertyNode* scFileNode);
 
-    bool init();
+    bool init(bool search_in_AI_path=false);
     virtual void bind();
     virtual void unbind();
     void update(double dt);
diff --git a/src/AIModel/AICarrier.cxx b/src/AIModel/AICarrier.cxx
index 0ec684609..3a83c13fe 100644
--- a/src/AIModel/AICarrier.cxx
+++ b/src/AIModel/AICarrier.cxx
@@ -309,8 +309,8 @@ void FGAICarrier::update(double dt) {
       source = 0;
 } //end update
 
-bool FGAICarrier::init() {
-    if (!FGAIShip::init())
+bool FGAICarrier::init(bool search_in_AI_path) {
+    if (!FGAIShip::init(search_in_AI_path))
         return false;
 
     // process the 3d model here
diff --git a/src/AIModel/AICarrier.hxx b/src/AIModel/AICarrier.hxx
index d76e1ed0e..33c674055 100644
--- a/src/AIModel/AICarrier.hxx
+++ b/src/AIModel/AICarrier.hxx
@@ -102,7 +102,7 @@ public:
     void ReturnToBox();
     bool OutsideBox();
 
-    bool init();
+    bool init(bool search_in_AI_path=false);
 
     virtual const char* getTypeString(void) const { return "carrier"; }
 
diff --git a/src/AIModel/AIMultiplayer.cxx b/src/AIModel/AIMultiplayer.cxx
index 9888d58ef..8e59b929f 100755
--- a/src/AIModel/AIMultiplayer.cxx
+++ b/src/AIModel/AIMultiplayer.cxx
@@ -43,7 +43,7 @@ FGAIMultiplayer::FGAIMultiplayer() : FGAIBase(otMultiplayer) {
 FGAIMultiplayer::~FGAIMultiplayer() {
 }
 
-bool FGAIMultiplayer::init() {
+bool FGAIMultiplayer::init(bool search_in_AI_path) {
     //refuel_node = fgGetNode("systems/refuel/contact", true);
     isTanker = false; // do this until this property is
                       // passed over the net
@@ -57,7 +57,7 @@ bool FGAIMultiplayer::init() {
         isTanker = true;
         //	   cout << "isTanker " << isTanker << " " << mCallSign <<endl;
     }
-   return FGAIBase::init(true);
+   return FGAIBase::init(search_in_AI_path);
 }
 
 void FGAIMultiplayer::bind() {
diff --git a/src/AIModel/AIMultiplayer.hxx b/src/AIModel/AIMultiplayer.hxx
index 7fec2d057..596803a8d 100755
--- a/src/AIModel/AIMultiplayer.hxx
+++ b/src/AIModel/AIMultiplayer.hxx
@@ -32,7 +32,7 @@ public:
   FGAIMultiplayer();
   virtual ~FGAIMultiplayer();
 
-  virtual bool init();
+  virtual bool init(bool search_in_AI_path=false);
   virtual void bind();
   virtual void unbind();
   virtual void update(double dt);
diff --git a/src/AIModel/AIShip.cxx b/src/AIModel/AIShip.cxx
index 2c8e3993f..5ea0c0976 100644
--- a/src/AIModel/AIShip.cxx
+++ b/src/AIModel/AIShip.cxx
@@ -50,7 +50,7 @@ void FGAIShip::readFromScenario(SGPropertyNode* scFileNode) {
   }
 }
 
-bool FGAIShip::init() {
+bool FGAIShip::init(bool search_in_AI_path) {
    
    hdg_lock = false;
    rudder = 0.0;
@@ -61,7 +61,7 @@ bool FGAIShip::init() {
    speed_constant = 0.05;
    hdg_constant = 0.01;
    
-   return FGAIBase::init();
+   return FGAIBase::init(search_in_AI_path);
 }
 
 void FGAIShip::bind() {
diff --git a/src/AIModel/AIShip.hxx b/src/AIModel/AIShip.hxx
index 90a58f108..78fd6702a 100644
--- a/src/AIModel/AIShip.hxx
+++ b/src/AIModel/AIShip.hxx
@@ -33,7 +33,7 @@ public:
 	
         virtual void readFromScenario(SGPropertyNode* scFileNode);
 
-	virtual bool init();
+	virtual bool init(bool search_in_AI_path=false);
         virtual void bind();
         virtual void unbind();
 	virtual void update(double dt);
diff --git a/src/AIModel/AIStatic.cxx b/src/AIModel/AIStatic.cxx
index ce8806e55..a480e2eee 100644
--- a/src/AIModel/AIStatic.cxx
+++ b/src/AIModel/AIStatic.cxx
@@ -41,8 +41,8 @@ FGAIStatic::FGAIStatic() : FGAIBase(otStatic) {
 FGAIStatic::~FGAIStatic() {
 }
 
-bool FGAIStatic::init() {
-   return FGAIBase::init(true);
+bool FGAIStatic::init(bool search_in_AI_path) {
+   return FGAIBase::init(search_in_AI_path);
 }
 
 void FGAIStatic::bind() {
diff --git a/src/AIModel/AIStatic.hxx b/src/AIModel/AIStatic.hxx
index 6f7813177..384ff1b18 100644
--- a/src/AIModel/AIStatic.hxx
+++ b/src/AIModel/AIStatic.hxx
@@ -35,7 +35,7 @@ public:
 	FGAIStatic();
 	~FGAIStatic();
 
-	virtual bool init();
+	virtual bool init(bool search_in_AI_path=false);
         virtual void bind();
         virtual void unbind();
 	virtual void update(double dt);
diff --git a/src/AIModel/AIStorm.cxx b/src/AIModel/AIStorm.cxx
index 51e79e31c..2a99b2c31 100644
--- a/src/AIModel/AIStorm.cxx
+++ b/src/AIModel/AIStorm.cxx
@@ -74,8 +74,8 @@ void FGAIStorm::readFromScenario(SGPropertyNode* scFileNode) {
   setStrengthNorm(scFileNode->getDoubleValue("strength-norm", 1.0)); 
 }
 
-bool FGAIStorm::init() {
-   return FGAIBase::init();
+bool FGAIStorm::init(bool search_in_AI_path) {
+   return FGAIBase::init(search_in_AI_path);
 }
 
 void FGAIStorm::bind() {
diff --git a/src/AIModel/AIStorm.hxx b/src/AIModel/AIStorm.hxx
index 8d2df2f09..3a0153fc5 100644
--- a/src/AIModel/AIStorm.hxx
+++ b/src/AIModel/AIStorm.hxx
@@ -37,7 +37,7 @@ public:
 	
         void readFromScenario(SGPropertyNode* scFileNode);
 
-	virtual bool init();
+	virtual bool init(bool search_in_AI_path=false);
         virtual void bind();
         virtual void unbind();
 	virtual void update(double dt);
diff --git a/src/AIModel/AIThermal.cxx b/src/AIModel/AIThermal.cxx
index 0253a0f8b..d01421c73 100644
--- a/src/AIModel/AIThermal.cxx
+++ b/src/AIModel/AIThermal.cxx
@@ -54,10 +54,10 @@ void FGAIThermal::readFromScenario(SGPropertyNode* scFileNode) {
   setHeight(scFileNode->getDoubleValue("height-msl", 5000.0));
 }
 
-bool FGAIThermal::init() {
+bool FGAIThermal::init(bool search_in_AI_path) {
    factor = 8.0 * max_strength / (diameter * diameter * diameter);
    setAltitude( height );
-   return FGAIBase::init();
+   return FGAIBase::init(search_in_AI_path);
 }
 
 void FGAIThermal::bind() {
diff --git a/src/AIModel/AIThermal.hxx b/src/AIModel/AIThermal.hxx
index 03fcd3213..38a50bea9 100644
--- a/src/AIModel/AIThermal.hxx
+++ b/src/AIModel/AIThermal.hxx
@@ -37,7 +37,7 @@ public:
 	
         void readFromScenario(SGPropertyNode* scFileNode);
 
-	virtual bool init();
+	virtual bool init(bool search_in_AI_path=false);
         virtual void bind();
         virtual void unbind();
 	virtual void update(double dt);