I ran across a very informative article on the use of RFID tags used in the Baggage Handling System you will find interesting. 

As most of you know, the BHS is a key component in the Airport Systems Integration contributors. I will talk more about this in a future article. 

Briefly summarized: 

The aviation industry continues collaborating to improve baggage services. The International Air Transport Association (IATA) Board of Governors, for example, unanimously adopted Resolution 753 to deploy radio frequency identification (RFID) inlays in all baggage tags. This means airlines will start transitioning from barcode-only tags to tags that include RFID inlays, resulting in more accurate real-time tracking of passenger baggage via upgraded equipment in the baggage handling system.

You can read the full article HERE