This comment doesn't seem to be valid any more?

src/ardrone_driver.cpp

@@ -114,7 +114,6 @@ ARDroneDriver::~ARDroneDriver()
 
 void ARDroneDriver::run()
 {
-    // TODO: 50Hz made navdata unstable, I think it is a locking issue.
     ros::Rate loop_rate(50);
     ros::Time startTime = ros::Time::now();
     static int freq_dev = 0;