Originally Posted by
OUTraveling
If she had activated the device the homing beacon would most likely signaled that airport that a plane had crashed or some similar catastrophe.
I would have just let her play with it for the entertainment value.

But as far a signaling a plane crash, no worries since airplane Emergency Locator Transmitters use 121.5MHz and 243.0MHz. Search & Rescue would have likely found the PLB in a secret TSA groping room.