diff --git a/launch/rosbuzz_2_parallel.launch b/launch/rosbuzz_2_parallel.launch
index 58b42a8..44841ea 100644
--- a/launch/rosbuzz_2_parallel.launch
+++ b/launch/rosbuzz_2_parallel.launch
@@ -2,7 +2,7 @@
 
 <launch>
 		<node name="rosbuzz_node" pkg="rosbuzz" type="rosbuzz_node" respawn="false" output="screen" >	
-		<param name="bzzfile_name" value="/home/vivek/catkin_ws/src/rosbuzz/src/test_obst.bzz" />
+		<param name="bzzfile_name" value="/home/vivek/catkin_ws/src/rosbuzz/src/test1.bzz" />
                 <param name="rcclient" value="true" /> 
 		<param name="rcservice_name" value="rc_cmd" />
 		<param name="fcclient_name" value="/djicmd" />
diff --git a/src/buzzuav_closures.cpp b/src/buzzuav_closures.cpp
index 70c9723..1471ada 100644
--- a/src/buzzuav_closures.cpp
+++ b/src/buzzuav_closures.cpp
@@ -319,6 +319,17 @@ int buzzuav_update_obstacle(buzzvm_t vm) {
    buzzvm_gstore(vm);
    return vm->state;
 }
+/**************************************/
+/*Flight status ratinale*/
+/**************************************/
+/*****************************************************************
+ DJI_SDK                         -Mavlink ExtendedState landed_state 
+STATUS_GROUND_STANDBY = 1,          1 
+STATUS_TAKE_OFF = 2,                3 
+STATUS_SKY_STANDBY = 3,             2
+STATUS_LANDING = 4,                 4 
+STATUS_FINISHING_LANDING = 5        0 
+******************************************************************/
 /****************************************/
 /*flight status update*/
 /***************************************/