Index: rts/Sim/Units/COB/CobInstance.cpp
===================================================================
--- rts/Sim/Units/COB/CobInstance.cpp	(revision 4109)
+++ rts/Sim/Units/COB/CobInstance.cpp	(working copy)
@@ -98,6 +98,7 @@
 #define CURRENT_FUEL             93 // set or get
 #define TRANSPORT_ID             94 // get
 #define SHIELD_POWER             95 // set or get
+#define CRASHING                 96 // set or get, aircraft crashing state, useless for non-aircraft
 
 // * NOTE: [LUA0 - LUA9] are defined in CobThread.cpp as [110 - 119]
 
@@ -1106,6 +1107,8 @@
 		const CPlasmaRepulser* shield = (CPlasmaRepulser*)unit->shieldWeapon;
 		return int(shield->curPower * float(COBSCALE));
 	}
+	case CRASHING:
+		return !!unit->crashing;
 	default:
 		logOutput.Print("CobError: Unknown get constant %d  (params = %d %d %d %d)",
 		                val, p1, p2, p3, p4);
@@ -1298,6 +1301,10 @@
 			}
 			break;
 		}
+		case CRASHING: {
+			unit->crashing=!!param;
+			break;
+		}
 		default: {
 			logOutput.Print("CobError: Unknown set constant %d", val);
 		}

Index: rts/Sim/MoveTypes/AirMoveType.cpp
===================================================================
--- rts/Sim/MoveTypes/AirMoveType.cpp	(revision 4661)
+++ rts/Sim/MoveTypes/AirMoveType.cpp	(working copy)
@@ -1038,7 +1038,7 @@
 
 void CAirMoveType::SetState(CAirMoveType::AircraftState state)
 {
-	if(aircraftState==AIRCRAFT_CRASHING || state==aircraftState)
+	if(/*aircraftState==AIRCRAFT_CRASHING || */state==aircraftState)
 		return;
 
 /*	if (state == AIRCRAFT_LANDING)
Index: rts/Sim/Units/COB/CobInstance.cpp
===================================================================
--- rts/Sim/Units/COB/CobInstance.cpp	(revision 4661)
+++ rts/Sim/Units/COB/CobInstance.cpp	(working copy)
@@ -13,6 +13,7 @@
 #include "Rendering/UnitModels/3DOParser.h"
 #include "Rendering/UnitModels/s3oParser.h"
 #include "Sim/Misc/RadarHandler.h"
+#include "Sim/MoveTypes/AirMoveType.h"
 #include "Sim/MoveTypes/MoveType.h"
 #include "Sim/Projectiles/ExplosionGenerator.h"
 #include "Sim/Projectiles/PieceProjectile.h"
@@ -99,6 +100,7 @@
 #define TRANSPORT_ID             94 // get
 #define SHIELD_POWER             95 // set or get
 #define STEALTH                  96 // set or get
+#define CRASHING                 97 // set or get, returns whether aircraft isCrashing state
 #define COB_ID                  100 // get
 #define ALPHA_THRESHOLD         103 // set or get
 
@@ -1122,6 +1124,8 @@
 	case STEALTH: {
 		return unit->stealth ? 1 : 0;
 	}
+	case CRASHING:
+		return !!unit->crashing;
 	case ALPHA_THRESHOLD: {
 		return int(unit->alphaThreshold * 255);
 	}
@@ -1339,6 +1343,17 @@
 			unit->stealth = !!param;
 			break;
 		}
+		case CRASHING: {
+			if(dynamic_cast<CAirMoveType*>(unit->moveType)){
+				if(!!param){
+					((CAirMoveType*)unit->moveType)->SetState(CAirMoveType::AIRCRAFT_CRASHING);
+				} else {
+					((CAirMoveType*)unit->moveType)->SetState(CAirMoveType::AIRCRAFT_FLYING);
+					unit->crashing=false;
+				}
+			}
+			break;
+		}
 		case ALPHA_THRESHOLD: {
 			unit->alphaThreshold = float(param) / 255.0f;
 			break;